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Comet observations

Until today I've had the opportunity to observe and image 168 different comets.
The table below lists the individual observations of each of those comets.

Number of comets observed visually: 49
Number of visual observations: 209

Number of comets imaged: 149
Number of ccd observations: 432


Comet observations
date designation Type Magnitude Coma (arcmin) Condensation Instrument Aperture Power/Exp.
18 Apr 2024C/2021 S3 (PANSTARRS)CCD10.5Ritchey-Chretien20.3 cm600s
18 Apr 2024C/2024 C4 (ATLAS)CCD16.7Ritchey-Chretien20.3 cm720s
18 Apr 2024C/2023 A3 (Tsuchinshan-ATLAS)CCD10.5Ritchey-Chretien20.3 cm620s
30 Mar 202412P/Pons-BrooksVisual4.76.06Binoculars7.0 cm11x
28 Mar 202412P/Pons-BrooksVisual4.85.06Binoculars7.0 cm11x
8 Mar 202412P/Pons-BrooksVisual5.46.05Binoculars7.0 cm11x
8 Mar 2024C/2021 S3 (PANSTARRS)CCD9.3Ritchey-Chretien20.3 cm340s
8 Mar 2024C/2023 A3 (Tsuchinshan-ATLAS)CCD12.3Ritchey-Chretien20.3 cm880s
8 Mar 2024C/2021 T4 (Lemmon)CCD16.2Ritchey-Chretien20.3 cm700s
8 Mar 202462P/TsuchinshanCCD10.7Ritchey-Chretien20.3 cm700s
8 Mar 2024227P/Catalina-LINEARCCD15.1Ritchey-Chretien20.3 cm700s
7 Mar 2024C/2022 E2 (ATLAS)CCD13.6Ritchey-Chretien20.3 cm700s
7 Mar 2024479P/EleninCCD14.9Ritchey-Chretien20.3 cm800s
7 Mar 2024C/2017 K2 (PANSTARRS)CCD14.2Ritchey-Chretien20.3 cm900s
7 Mar 202432P/Comas SolaCCD14.5Ritchey-Chretien20.3 cm700s
7 Mar 202413P/OlbersCCD12.2Ritchey-Chretien20.3 cm900s
12 Feb 2024C/2022 E2 (ATLAS)CCD13.3Ritchey-Chretien20.3 cm800s
12 Feb 2024144P/KushidaCCD9.9Ritchey-Chretien20.3 cm800s
12 Feb 202432P/Comas SolaCCD14.4Ritchey-Chretien20.3 cm800s
12 Feb 202413P/OlbersCCD12.9Ritchey-Chretien20.3 cm800s
22 Jan 202412P/Pons-BrooksCCD8.3Ritchey-Chretien20.3 cm920s
19 Jan 202412P/Pons-BrooksCCD8.4Ritchey-Chretien20.3 cm980s
18 Jan 202412P/Pons-BrooksVisual9.12.55Newtonian30.4 cm64x
9 Jan 202429P/Schwassmann-WachmannCCD11.5Ritchey-Chretien20.3 cm160s
9 Jan 2024C/2022 E2 (ATLAS)CCD13.3Ritchey-Chretien20.3 cm160s
9 Jan 2024207P/NEATCCD15.8Ritchey-Chretien20.3 cm100s
9 Jan 2024C/2023 A3 (Tsuchinshan-ATLAS)CCD13.7Ritchey-Chretien20.3 cm800s
9 Jan 2024C/2021 T4 (Lemmon)CCD15.8Ritchey-Chretien20.3 cm440s
9 Jan 2024C/2019 T4 (ATLAS)CCD15.0Ritchey-Chretien20.3 cm620s
9 Jan 202462P/TsuchinshanCCD8.3Ritchey-Chretien20.3 cm440s
7 Jan 2024C/2017 K2 (PANSTARRS)CCD12.5Ritchey-Chretien20.3 cm800s
7 Jan 2024C/2022 QE78 (ATLAS)CCD16.3Ritchey-Chretien20.3 cm0s
7 Jan 2024144P/KushidaCCD11.7Ritchey-Chretien20.3 cm800s
7 Jan 202413P/OlbersCCD15.6Ritchey-Chretien20.3 cm0s
7 Jan 202432P/Comas SolaCCD14.9Ritchey-Chretien20.3 cm620s
7 Jan 2024226P/Pigott-LINEAR-KowalskiCCD15.4Ritchey-Chretien20.3 cm200s
7 Jan 202412P/Pons-BrooksCCD9.7Ritchey-Chretien20.3 cm200s
22 Dec 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD14.1Ritchey-Chretien61.0 cm80s
6 Dec 2023C/2017 K2 (PANSTARRS)CCD12.4Ritchey-Chretien20.3 cm700s
6 Dec 202332P/Comas SolaCCD14.3Ritchey-Chretien20.3 cm900s
6 Dec 202312P/Pons-BrooksCCD9.1Ritchey-Chretien20.3 cm600s
1 Dec 2023C/2021 X1 (Maury-Attard)CCD16.6Ritchey-Chretien20.3 cm0s
1 Dec 202312P/Pons-BrooksCCD9.1Ritchey-Chretien20.3 cm780s
28 Nov 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD14.5Ritchey-Chretien20.3 cm900s
22 Nov 202362P/TsuchinshanCCD10.3Ritchey-Chretien20.3 cm340s
21 Nov 2023C/2017 K2 (PANSTARRS)CCD12.6Ritchey-Chretien20.3 cm160s
21 Nov 2023170P/ChristensenCCD16.7Ritchey-Chretien20.3 cm500s
21 Nov 2023126P/IRASCCD15.9Ritchey-Chretien20.3 cm400s
21 Nov 2023144P/KushidaCCD15.6Ritchey-Chretien20.3 cm460s
21 Nov 202332P/Comas SolaCCD14.3Ritchey-Chretien20.3 cm160s
21 Nov 202312P/Pons-BrooksCCD9.1Ritchey-Chretien20.3 cm800s
21 Nov 202312P/Pons-BrooksCCD8.9Ritchey-Chretien61.0 cm840s
7 Nov 2023C/2023 H2 (Lemmon)CCD7.118.0Ritchey-Chretien20.3 cm240s
8 Sep 2023C/2023 P1 (Nishimura)Visual4.84.06Binoculars7.0 cm11x
6 Sep 2023C/2023 P1 (Nishimura)Visual5.24.06Binoculars7.0 cm11x
5 Sep 2023C/2023 P1 (Nishimura)Visual5.64.06Binoculars7.0 cm11x
26 Aug 2023C/2023 P1 (Nishimura)Visual7.63.05Binoculars7.0 cm11x
23 Aug 2023103P/HartleyCCD12.3Ritchey-Chretien20.3 cm80s
22 Aug 2023126P/IRASCCD14.8Ritchey-Chretien20.3 cm980s
22 Aug 2023C/2023 E1 (ATLAS)CCD9.9Ritchey-Chretien20.3 cm900s
22 Aug 202312P/Pons-BrooksCCD12.1Ritchey-Chretien20.3 cm700s
22 Aug 2023C/2022 W3 (Leonard)CCD15.0Ritchey-Chretien20.3 cm260s
22 Aug 2023C/2023 P1 (Nishimura)CCD9.22.8Ritchey-Chretien20.3 cm540s
11 Aug 2023C/2022 A2 (PANSTARRS)CCD12.7Ritchey-Chretien20.3 cm340s
11 Aug 2023126P/IRASCCD14.7Ritchey-Chretien20.3 cm800s
11 Aug 2023103P/HartleyCCD13.1Ritchey-Chretien20.3 cm980s
10 Aug 202312P/Pons-BrooksCCD12.0Ritchey-Chretien20.3 cm400s
10 Aug 2023237P/LINEARCCD12.8Ritchey-Chretien20.3 cm340s
8 Aug 202312P/Pons-BrooksCCD11.9Ritchey-Chretien61.0 cm900s
8 Aug 202312P/Pons-BrooksCCD11.9Ritchey-Chretien61.0 cm900s
28 Jul 202312P/Pons-BrooksCCD11.61.8Ritchey-Chretien61.0 cm720s
27 Jul 202312P/Pons-BrooksCCD11.61.7Ritchey-Chretien61.0 cm900s
26 Jul 202312P/Pons-BrooksCCD11.61.5Ritchey-Chretien61.0 cm900s
25 Jul 202312P/Pons-BrooksCCD11.61.4Ritchey-Chretien61.0 cm900s
23 Jul 202312P/Pons-BrooksCCD11.70.8Ritchey-Chretien61.0 cm540s
22 Jul 202312P/Pons-BrooksCCD11.80.5Ritchey-Chretien61.0 cm900s
17 Jun 2023237P/LINEARCCD12.3Ritchey-Chretien20.3 cm900s
17 Jun 2023C/2022 L2 (ATLAS)CCD15.3Ritchey-Chretien20.3 cm800s
17 Jun 2023C/2019 T4 (ATLAS)CCD13.1Ritchey-Chretien20.3 cm900s
16 Jun 2023C/2023 E1 (ATLAS)CCD10.36.0Ritchey-Chretien20.3 cm600s
16 Jun 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD16.5Ritchey-Chretien20.3 cm700s
8 Jun 2023C/2023 E1 (ATLAS)CCD10.95.5Ritchey-Chretien20.3 cm880s
26 May 2023237P/LINEARCCD13.4Ritchey-Chretien20.3 cm900s
26 May 2023199P/ShoemakerCCD16.9Ritchey-Chretien20.3 cm800s
26 May 202381P/WildCCD14.0Ritchey-Chretien20.3 cm440s
26 May 2023C/2020 R7 (ATLAS)CCD16.4Ritchey-Chretien20.3 cm800s
25 May 2023C/2019 T4 (ATLAS)CCD13.11.5Ritchey-Chretien20.3 cm600s
25 May 2023C/2023 B2 (ATLAS)CCD16.20.5Ritchey-Chretien20.3 cm100s
22 May 2023C/2022 L2 (ATLAS)CCD15.8Ritchey-Chretien20.3 cm800s
22 May 2023C/2019 T4 (ATLAS)CCD13.11.5Ritchey-Chretien20.3 cm620s
21 May 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD16.4Ritchey-Chretien20.3 cm600s
21 May 2023C/2023 E1 (ATLAS)CCD12.24.5Ritchey-Chretien20.3 cm160s
27 Apr 2023C/2022 L2 (ATLAS)CCD16.1Ritchey-Chretien20.3 cm800s
27 Apr 2023C/2020 R7 (ATLAS)CCD15.6Ritchey-Chretien20.3 cm800s
27 Apr 2023C/2019 T4 (ATLAS)CCD13.0Ritchey-Chretien20.3 cm980s
26 Apr 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD16.8Ritchey-Chretien20.3 cm800s
26 Apr 2023C/2023 E1 (ATLAS)CCD14.72.5Ritchey-Chretien20.3 cm620s
26 Apr 2023C/2019 U5 (PANSTARRS)CCD12.7Ritchey-Chretien20.3 cm800s
26 Feb 2023C/2020 R7 (ATLAS)CCD15.3Ritchey-Chretien20.3 cm620s
26 Feb 202377P/LongmoreCCD15.3Ritchey-Chretien20.3 cm440s
26 Feb 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD18.1Ritchey-Chretien20.3 cm600s
25 Feb 2023C/2023 A3 (Tsuchinshan-ATLAS)CCD17.9Ritchey-Chretien51.0 cm700s
14 Feb 2023C/2022 E3 (ZTF)Visual6.611.05Binoculars0.7 cm11x
14 Feb 2023263P/GibbsCCD16.7Ritchey-Chretien2.0 cm900s
14 Feb 2023C/2022 W3 (Leonard)CCD17.1Ritchey-Chretien2.0 cm100s
13 Feb 2023P/2023 B1 (PANSTARRS)CCD16.7Ritchey-Chretien2.0 cm400s
13 Feb 2023204P/LINEAR-NEATCCD16.1Ritchey-Chretien2.0 cm100s
13 Feb 202394P/RussellCCD17.2Ritchey-Chretien2.0 cm100s
13 Feb 2023C/2020 S4 (PANSTARRS)CCD14.9Ritchey-Chretien2.0 cm800s
8 Feb 2023C/2022 A2 (PANSTARRS)CCD9.54.5Ritchey-Chretien20.3 cm620s
7 Feb 2023118P/Shoemaker-LevyCCD13.5Ritchey-Chretien20.3 cm440s
7 Feb 2023119P/Parker-HartleyCCD14.8Ritchey-Chretien20.3 cm880s
7 Feb 202329P/Schwassmann-WachmannCCD12.34.0Ritchey-Chretien20.3 cm980s
7 Feb 2023C/2020 V2 (ZTF)CCD9.9Ritchey-Chretien20.3 cm200s
7 Feb 2023C/2019 T4 (ATLAS)CCD13.0Ritchey-Chretien20.3 cm80s
6 Feb 2023C/2022 E3 (ZTF)Visual5.415.05Binoculars5.0 cm10x
5 Feb 2023C/2022 E3 (ZTF)Visual5.315.05Binoculars5.0 cm10x
31 Jan 2023C/2022 E3 (ZTF)Visual4.920.05Binoculars5.0 cm10x
21 Jan 2023C/2020 V2 (ZTF)Visual9.64.04Newtonian30.4 cm64x
21 Jan 2023C/2022 A2 (PANSTARRS)Visual9.15.04Newtonian30.4 cm64x
21 Jan 2023C/2022 E3 (ZTF)Visual5.717.06Binoculars7.0 cm11x
17 Jan 2023C/2020 V2 (ZTF)Visual9.53.55Newtonian30.4 cm64x
17 Jan 2023C/2022 E3 (ZTF)Visual6.512.06Binoculars7.0 cm11x
30 Dec 2022C/2022 E3 (ZTF)Visual7.55.05Binoculars7.0 cm11x
18 Dec 2022C/2022 E3 (ZTF)Visual8.45.04Binoculars5.0 cm10x
12 Dec 202229P/Schwassmann-WachmannCCD11.32.7Ritchey-Chretien20.3 cm520s
12 Dec 2022C/2021 Y1 (ATLAS)CCD14.4Ritchey-Chretien20.3 cm520s
12 Dec 2022C/2020 V2 (ZTF)CCD10.4Ritchey-Chretien20.3 cm240s
12 Dec 2022P/2022 L3 (ATLAS)CCD15.7Ritchey-Chretien20.3 cm700s
12 Dec 2022C/2021 T4 (Lemmon)CCD15.6Ritchey-Chretien20.3 cm800s
9 Dec 2022C/2022 A2 (PANSTARRS)CCD11.12.0Ritchey-Chretien203.0 cm420s
9 Dec 2022C/2022 E3 (ZTF)CCD8.85.5Ritchey-Chretien20.3 cm520s
7 Dec 2022C/2020 V2 (ZTF)Visual10.13.04Newtonian30.4 cm109x
7 Dec 2022C/2022 E3 (ZTF)Visual8.73.05Newtonian30.4 cm109x
26 Nov 2022118P/Shoemaker-LevyCCD14.8Ritchey-Chretien20.3 cm880s
26 Nov 2022119P/Parker-HartleyCCD15.7Ritchey-Chretien20.3 cm160s
25 Nov 2022C/2020 V2 (ZTF)CCD10.52.5Ritchey-Chretien20.3 cm160s
25 Nov 202229P/Schwassmann-WachmannCCD11.90.6Ritchey-Chretien20.3 cm160s
25 Nov 202244P/ReinmuthCCD17.1Ritchey-Chretien20.3 cm100s
25 Nov 2022C/2021 Y1 (ATLAS)CCD14.1Ritchey-Chretien20.3 cm980s
25 Nov 2022P/2022 L3 (ATLAS)CCD14.81.5Ritchey-Chretien20.3 cm800s
25 Nov 2022C/2022 U2 (ATLAS)CCD16.20.7Ritchey-Chretien20.3 cm880s
13 Nov 202261P/Shajn-SchaldachCCD15.8Ritchey-Chretien20.3 cm700s
13 Nov 2022P/2022 L3 (ATLAS)CCD15.0Ritchey-Chretien20.3 cm800s
18 Oct 2022P/2022 L3 (ATLAS)CCD15.3Ritchey-Chretien20.3 cm600s
18 Oct 202222P/KopffCCD14.7Ritchey-Chretien20.3 cm600s
18 Oct 2022C/2022 E3 (ZTF)CCD11.2Ritchey-Chretien20.3 cm540s
16 Oct 2022C/2014 UN271 (Bernardinelli-Bernstein)CCD16.80.6Ritchey-Chretien51.0 cm700s
9 Oct 202281P/WildCCD12.5Ritchey-Chretien20.3 cm900s
9 Oct 2022C/2022 R2 (ATLAS)CCD12.8Ritchey-Chretien20.3 cm660s
9 Oct 2022C/2020 V2 (ZTF)CCD11.9Ritchey-Chretien20.3 cm260s
9 Oct 202229P/Schwassmann-WachmannCCD14.7Ritchey-Chretien20.3 cm100s
9 Oct 2022C/2020 S4 (PANSTARRS)CCD16.9Ritchey-Chretien20.3 cm800s
6 Oct 202261P/Shajn-SchaldachCCD15.5Ritchey-Chretien20.3 cm260s
6 Oct 2022C/2022 E3 (ZTF)CCD11.5Ritchey-Chretien20.3 cm620s
30 Sep 2022119P/Parker-HartleyCCD15.8Ritchey-Chretien20.3 cm900s
30 Sep 2022118P/Shoemaker-LevyCCD15.7Ritchey-Chretien20.3 cm900s
30 Sep 2022C/2021 Y1 (ATLAS)CCD16.0Ritchey-Chretien20.3 cm800s
30 Sep 2022C/2021 T4 (Lemmon)CCD15.7Ritchey-Chretien20.3 cm500s
30 Sep 2022P/2022 L3 (ATLAS)CCD15.9Ritchey-Chretien20.3 cm100s
29 Sep 2022285P/LINEARCCD15.5Ritchey-Chretien20.3 cm620s
29 Sep 2022C/2022 E3 (ZTF)CCD12.0Ritchey-Chretien20.3 cm800s
25 Sep 2022C/2014 UN271 (Bernardinelli-Bernstein)CCD17.40.6Ritchey-Chretien51.0 cm900s
12 Aug 2022285P/LINEARCCD14.6Ritchey-Chretien20.3 cm800s
12 Aug 2022C/2017 K2 (PANSTARRS)CCD9.1Ritchey-Chretien20.3 cm620s
8 Aug 2022C/2021 S3 (PANSTARRS)CCD16.7Ritchey-Chretien51.0 cm440s
6 Aug 2022C/2021 T4 (Lemmon)CCD17.2Ritchey-Chretien2.0 cm100s
6 Aug 202222P/KopffCCD13.43.3Ritchey-Chretien2.0 cm700s
6 Aug 2022395P/Catalina-NEATCCD16.4Ritchey-Chretien2.0 cm700s
5 Aug 2022C/2020 F5 (MASTER)CCD16.5Ritchey-Chretien2.0 cm700s
5 Aug 2022C/2022 E3 (ZTF)CCD13.4Ritchey-Chretien2.0 cm600s
5 Aug 2022C/2022 L1 (Catalina)CCD16.7Ritchey-Chretien2.0 cm900s
5 Aug 2022C/2017 K2 (PANSTARRS)CCD9.3Ritchey-Chretien2.0 cm700s
30 Jul 2022327P/Van NessCCD17.0Ritchey-Chretien20.3 cm680s
30 Jul 202222P/KopffCCD13.9Ritchey-Chretien20.3 cm800s
30 Jul 202261P/Shajn-SchaldachCCD17.1Ritchey-Chretien20.3 cm800s
30 Jul 2022C/2020 F5 (MASTER)CCD16.8Ritchey-Chretien20.3 cm620s
29 Jul 2022C/2020 K1 (PANSTARRS)CCD13.50.6Ritchey-Chretien20.3 cm800s
19 Jul 2022C/2022 E3 (ZTF)CCD13.30.7Ritchey-Chretien203.0 cm780s
16 Jul 2022C/2017 K2 (PANSTARRS)Visual8.54.0Newtonian304.0 cm64x
16 Jul 2022C/2017 K2 (PANSTARRS)Visual8.54.04Newtonian130.0 cm46x
9 Jul 2022C/2022 E3 (ZTF)CCD13.50.4Ritchey-Chretien510.0 cm480s
2 Jul 202222P/KopffCCD12.0Ritchey-Chretien203.0 cm440s
2 Jul 2022107P/Wilson-HarringtonCCD16.7Ritchey-Chretien203.0 cm900s
1 Jul 2022C/2017 K2 (PANSTARRS)Visual8.73.55Newtonian304.0 cm64x
1 Jul 2022C/2017 K2 (PANSTARRS)CCD9.05.5Ritchey-Chretien203.0 cm880s
23 Jun 2022C/2022 E3 (ZTF)CCD13.9Ritchey-Chretien203.0 cm620s
23 Jun 2022C/2020 O2 (Amaral)CCD16.6Ritchey-Chretien203.0 cm340s
22 Jun 2022C/2020 H6 (ATLAS)CCD16.1Ritchey-Chretien203.0 cm440s
22 Jun 2022C/2019 U5 (PANSTARRS)CCD14.00.6Ritchey-Chretien203.0 cm880s
22 Jun 202273P/Schwassmann-WachmannCCD14.7Ritchey-Chretien203.0 cm80s
18 Jun 2022C/2017 K2 (PANSTARRS)CCD9.44.0Ritchey-Chretien203.0 cm880s
18 Jun 2022C/2022 E3 (ZTF)CCD14.10.3Ritchey-Chretien203.0 cm800s
17 Jun 2022C/2020 K1 (PANSTARRS)CCD13.60.5Ritchey-Chretien203.0 cm980s
17 Jun 2022C/2020 V2 (ZTF)CCD13.40.5Ritchey-Chretien203.0 cm160s
2 Jun 2022C/2022 E3 (ZTF)CCD14.5Ritchey-Chretien20.3 cm1620s
2 Jun 2022C/2019 U5 (PANSTARRS)CCD14.1Ritchey-Chretien20.3 cm1080s
2 Jun 2022C/2017 K2 (PANSTARRS)CCD9.8Ritchey-Chretien20.3 cm1800s
1 May 2022C/2017 K2 (PANSTARRS)Visual10.02.03Newtonian20.3 cm86x
30 Apr 2022C/2019 L3 (ATLAS)Visual10.22.03Newtonian20.3 cm86x
29 Apr 2022C/2019 T4 (ATLAS)Visual12.01.53Newtonian20.3 cm86x
9 Apr 2022C/2022 E3 (ZTF)CCD16.0Ritchey-Chretien61.0 cm540s
27 Mar 2022104P/KowalCCD12.5>2.0Ritchey-Chretien20.3 cm1260s
27 Mar 202219P/BorrellyCCD10.4>3.0Ritchey-Chretien20.3 cm1200s
22 Mar 202267P/Churyumov-GerasimenkoCCD13.4&1.0Ritchey-Chretien20.3 cm2700s
22 Mar 2022116P/WildCCD13.5&1.0Ritchey-Chretien20.3 cm2700s
20 Mar 2022C/2022 E3 (ZTF)CCD16.7Ritchey-Chretien51.0 cm900s
20 Mar 2022C/2022 E3 (ZTF)CCD16.7Ritchey-Chretien20.3 cm3000s
20 Mar 2022C/2017 K2 (PANSTARRS)CCD11.4&1.3Ritchey-Chretien20.3 cm2160s
4 Mar 2022C/2019 L3 (ATLAS)Visual9.6&2.55/Newtonian30.4 cm109x
4 Mar 202219P/BorrellyVisual9.8:&3.03Newtonian30.4 cm109x
3 Mar 2022C/2020 V2 (ZTF)CCD13.9Ritchey-Chretien20.3 cm1260s
3 Mar 2022C/2019 L3 (ATLAS)CCD9.6Ritchey-Chretien20.3 cm2520s
3 Mar 2022110P/HartleyCCD16.7Ritchey-Chretien20.3 cm2400s
3 Mar 2022C/2021 P4 (ATLAS)CCD14.9Ritchey-Chretien20.3 cm2100s
28 Feb 2022C/2021 F1 (Lemmon-PANSTARRS)CCD11.1Ritchey-Chretien20.3 cm240s
28 Feb 2022C/2017 K2 (PANSTARRS)CCD11.8Ritchey-Chretien20.3 cm1620s
28 Feb 202270P/KojimaCCD15.8Ritchey-Chretien20.3 cm2100s
27 Feb 2022116P/WildCCD13.4&1.2Ritchey-Chretien20.3 cm1620s
27 Feb 202267P/Churyumov-GerasimenkoCCD11.7&1.3Ritchey-Chretien20.3 cm2340s
27 Feb 2022440P/KobayashiCCD18.2Ritchey-Chretien20.3 cm2400s
27 Feb 202229P/Schwassmann-WachmannCCD15.5Ritchey-Chretien20.3 cm1080s
27 Feb 20224P/FayeCCD13.7Ritchey-Chretien20.3 cm1260s
27 Feb 2022104P/KowalCCD10.9Ritchey-Chretien20.3 cm900s
27 Feb 202219P/BorrellyCCD9.8&3.5Ritchey-Chretien20.3 cm1440s
27 Jan 2022116P/WildCCD14.4&0.3Ritchey-Chretien20.3 cm1980s
27 Jan 202267P/Churyumov-GerasimenkoCCD9.8&4.0Ritchey-Chretien20.3 cm3600s
27 Jan 20224P/FayeCCD12.6&0.8Ritchey-Chretien20.3 cm720s
27 Jan 2022104P/KowalCCD10.5&4.0Ritchey-Chretien20.3 cm720s
27 Jan 202219P/BorrellyCCD9.7&4.0Ritchey-Chretien20.3 cm1200s
9 Jan 202219P/BorrellyCCD9.8Ritchey-Chretien20.3 cm1140s
8 Jan 2022C/2019 U5 (PANSTARRS)CCD15.3Ritchey-Chretien20.3 cm1080s
8 Jan 2022116P/WildCCD15.4Ritchey-Chretien20.3 cm1500s
8 Jan 202267P/Churyumov-GerasimenkoCCD9.7&3.3Ritchey-Chretien20.3 cm480s
8 Jan 2022110P/HartleyCCD15.2Ritchey-Chretien20.3 cm1500s
8 Jan 2022108P/CiffreoCCD15.2Ritchey-Chretien20.3 cm2400s
8 Jan 20224P/FayeCCD11.7Ritchey-Chretien20.3 cm1440s
6 Jan 2022110P/HartleyCCD15.4&0.5Ritchey-Chretien20.3 cm2160s
6 Jan 2022C/2019 L3 (ATLAS)CCD9.15.3Ritchey-Chretien20.3 cm1200s
6 Jan 2022402P/LINEARCCD16.4Ritchey-Chretien20.3 cm1800s
5 Jan 2022108P/CiffreoCCD14.9Ritchey-Chretien20.3 cm1080s
26 Dec 20214P/FayeCCD11.42.0Ritchey-Chretien20.3 cm1620s
21 Dec 2021132P/Helin-Roman-AluCCD15.3Ritchey-Chretien20.3 cm1800s
21 Dec 2021C/2021 O3 (PANSTARRS)CCD17.1Ritchey-Chretien20.3 cm1800s
21 Dec 202157P/du Toit-Neujmin-DelporteCCD12.1&1.5Ritchey-Chretien20.3 cm1440s
21 Dec 202167P/Churyumov-GerasimenkoCCD9.7>2.0Ritchey-Chretien20.3 cm2880s
20 Dec 2021P/2021 N2 (Fuls)CCD16.1>0.3Ritchey-Chretien20.3 cm2160s
20 Dec 202129P/Schwassmann-WachmannCCD12.5:&3.0Ritchey-Chretien20.3 cm1620s
20 Dec 2021132P/Helin-Roman-AluCCD15.3Ritchey-Chretien20.3 cm1800s
20 Dec 2021104P/KowalCCD13.1&1.5Ritchey-Chretien20.3 cm1260s
11 Dec 2021C/2021 A1 (Leonard)Visual5.0:&15.06Binoculars5.0 cm10x
9 Dec 2021C/2021 A1 (Leonard)Visual5.3>10.04/Binoculars5.0 cm10x
8 Dec 2021C/2021 A1 (Leonard)Visual5.5>13.05Binoculars5.0 cm10x
7 Dec 2021C/2021 A1 (Leonard)Visual5.8>11.05Binoculars5.0 cm10x
5 Dec 2021C/2021 A1 (Leonard)CCD6.9Ritchey-Chretien43.0 cm120s
3 Dec 2021C/2021 A1 (Leonard)CCD7.6Ritchey-Chretien43.0 cm240s
2 Dec 2021C/2021 A1 (Leonard)CCD7.9Ritchey-Chretien43.0 cm300s
1 Dec 2021C/2021 A1 (Leonard)CCD7.9Ritchey-Chretien43.0 cm300s
30 Nov 2021C/2021 A1 (Leonard)CCD8.1Ritchey-Chretien43.0 cm180s
29 Nov 2021C/2021 A1 (Leonard)CCD8.0Ritchey-Chretien43.0 cm300s
22 Nov 2021C/2020 V2 (ZTF)CCD15.3Ritchey-Chretien20.3 cm900s
22 Nov 2021C/2021 A1 (Leonard)CCD9.07.0Ritchey-Chretien20.3 cm6300s
22 Nov 2021C/2021 A1 (Leonard)Visual8.1>5.05Newtonian13.0 cm25x
31 Oct 202129P/Schwassmann-WachmannCCD10.53.7Ritchey-Chretien43.0 cm420s
29 Oct 2021C/2021 A1 (Leonard)CCD11.5&2.8Ritchey-Chretien20.3 cm6000s
29 Oct 202129P/Schwassmann-WachmannCCD10.53.7Ritchey-Chretien20.3 cm1260s
28 Oct 2021132P/Helin-Roman-AluCCD14.00.7Ritchey-Chretien20.3 cm1620s
28 Oct 202157P/du Toit-Neujmin-DelporteCCD12.6Ritchey-Chretien20.3 cm720s
24 Oct 2021C/2021 A1 (Leonard)CCD12.81.7Ritchey-Chretien20.3 cm2880s
24 Oct 20214P/FayeCCD12.01.5Ritchey-Chretien20.3 cm540s
21 Oct 202157P/du Toit-Neujmin-DelporteCCD12.31.2Ritchey-Chretien51.0 cm600s
9 Oct 202167P/Churyumov-GerasimenkoCCD11.01.7Ritchey-Chretien20.3 cm2700s
9 Oct 2021108P/CiffreoCCD15.9:&0.3Ritchey-Chretien20.3 cm1500s
9 Oct 202129P/Schwassmann-WachmannCCD10.91.7Ritchey-Chretien20.3 cm3600s
8 Oct 2021132P/Helin-Roman-AluCCD14.30.5Ritchey-Chretien20.3 cm700s
8 Oct 2021C/2017 K2 (PANSTARRS)CCD13.01.5Ritchey-Chretien20.3 cm4200s
5 Oct 2021C/2021 A1 (Leonard)CCD13.51.2Ritchey-Chretien20.3 cm700s
5 Oct 2021C/2019 L3 (ATLAS)CCD10.83.2Ritchey-Chretien20.3 cm400s
5 Oct 202129P/Schwassmann-WachmannCCD10.81.5Ritchey-Chretien20.3 cm2160s
2 Oct 2021C/2021 A1 (Leonard)CCD13.61.5Ritchey-Chretien51.0 cm600s
2 Oct 202129P/Schwassmann-WachmannCCD10.8&0.7Ritchey-Chretien30.4 cm1200s
30 Sep 2021C/2021 A1 (Leonard)CCD13.51.1Ritchey-Chretien20.3 cm80s
30 Sep 20214P/FayeCCD11.82.0Ritchey-Chretien20.3 cm620s
30 Sep 202167P/Churyumov-GerasimenkoCCD10.92.8Ritchey-Chretien20.3 cm1980s
30 Sep 202167P/Churyumov-GerasimenkoVisual10.51.85Newtonian30.4 cm25x
30 Sep 202129P/Schwassmann-WachmannVisual11.0&0.58Newtonian30.4 cm25x
30 Sep 202129P/Schwassmann-WachmannCCD10.90.6Ritchey-Chretien20.3 cm1860s
9 Sep 2021C/2019 L3 (ATLAS)Visual10.8&1.7s5Newtonian30.4 cm109x
9 Sep 20214P/FayeVisual10.9&1.82/Newtonian30.4 cm109x
9 Sep 202167P/Churyumov-GerasimenkoVisual11.41.06Newtonian30.4 cm109x
7 Sep 2021C/2017 K2 (PANSTARRS)Visual12.7&1.53Newtonian30.4 cm109x
5 Sep 2021C/2017 K2 (PANSTARRS)CCD13.0&0.8Ritchey-Chretien20.3 cm4500s
5 Sep 2021C/2020 K1 (PANSTARRS)CCD16.9&0.3Ritchey-Chretien20.3 cm2100s
5 Sep 2021C/2019 U5 (PANSTARRS)CCD16.2&0.3Ritchey-Chretien20.3 cm2100s
3 Sep 2021C/2019 L3 (ATLAS)CCD11.5&1.7Ritchey-Chretien20.3 cm800s
3 Sep 20214P/FayeCCD11.91.5Ritchey-Chretien20.3 cm0s
3 Sep 202167P/Churyumov-GerasimenkoCCD12.40.9Ritchey-Chretien20.3 cm2100s
3 Sep 2021132P/Helin-Roman-AluCCD15.90.4Ritchey-Chretien20.3 cm100s
2 Sep 2021C/2019 T3 (ATLAS)CCD16.80.3Ritchey-Chretien20.3 cm2100s
2 Sep 2021C/2021 E3 (ZTF)CCD16.20.3Ritchey-Chretien20.3 cm400s
2 Sep 2021C/2020 PV6 (PANSTARRS)CCD14.80.6Ritchey-Chretien20.3 cm700s
24 Aug 2021C/2019 L3 (ATLAS)CCD11.52.1Ritchey-Chretien20.3 cm980s
24 Aug 2021108P/CiffreoCCD15.30.2Ritchey-Chretien20.3 cm720s
24 Aug 20214P/FayeCCD12.21.3Ritchey-Chretien20.3 cm980s
24 Aug 202167P/Churyumov-GerasimenkoCCD12.90.8Ritchey-Chretien20.3 cm2880s
23 Aug 2021C/2017 K2 (PANSTARRS)CCD12.91.5Ritchey-Chretien20.3 cm1980s
23 Aug 2021C/2020 PV6 (PANSTARRS)CCD14.60.5Ritchey-Chretien20.3 cm160s
19 Jul 202128P/NeujminCCD16.60.1Ritchey-Chretien20.3 cm720s
19 Jul 202167P/Churyumov-GerasimenkoCCD14.50.5Ritchey-Chretien20.3 cm3000s
18 Jul 20214P/FayeCCD13.3Ritchey-Chretien20.3 cm900s
8 Jul 202167P/Churyumov-GerasimenkoCCD14.90.3Ritchey-Chretien20.3 cm1080s
8 Jul 2021C/2019 K7 (Smith)CCD17.20.3Ritchey-Chretien20.3 cm900s
7 Jul 2021C/2020 K1 (PANSTARRS)CCD17.20.3Ritchey-Chretien20.3 cm1440s
7 Jul 2021C/2019 U5 (PANSTARRS)CCD16.40.3Ritchey-Chretien20.3 cm1620s
7 Jul 2021C/2018 U1 (Lemmon)CCD15.50.3Ritchey-Chretien20.3 cm800s
7 Jul 2021C/2020 O2 (Amaral)CCD15.70.3Ritchey-Chretien20.3 cm720s
13 Jun 2021C/2017 K2 (PANSTARRS)CCD13.41.6Ritchey-Chretien20.3 cm3300s
13 Jun 2021C/2019 U5 (PANSTARRS)CCD16.70.1Ritchey-Chretien20.3 cm2100s
12 Jun 2021C/2018 U1 (Lemmon)CCD14.90.3Ritchey-Chretien20.3 cm0s
12 Jun 20216P/d'ArrestCCD18.3Ritchey-Chretien20.3 cm500s
12 Jun 2021C/2020 T2 (Palomar)CCD10.73.0Ritchey-Chretien20.3 cm1200s
4 Jun 20217P/Pons-WinneckeCCD12.11.0Ritchey-Chretien61.0 cm240s
3 Jun 20217P/Pons-WinneckeCCD11.82.0Ritchey-Chretien61.0 cm180s
2 Jun 20217P/Pons-WinneckeCCD11.32.0Ritchey-Chretien61.0 cm420s
2 Jun 20217P/Pons-WinneckeCCD11.41.0Ritchey-Chretien20.3 cm1200s
1 Jun 2021C/2020 T2 (Palomar)Visual10.5&3.04/Newtonian30.4 cm109x
30 May 2021C/2020 PV6 (PANSTARRS)CCD15.80.3Ritchey-Chretien20.3 cm800s
29 May 2021C/2020 J1 (SONEAR)CCD13.2Ritchey-Chretien20.3 cm540s
28 May 2021C/2019 O3 (Palomar)CCD16.70.4Ritchey-Chretien20.3 cm900s
28 May 2021C/2017 K2 (PANSTARRS)CCD13.41.3Ritchey-Chretien20.3 cm
27 May 2021C/2020 T2 (Palomar)Visual10.5:&3.04/Newtonian30.4 cm109x
20 May 20217P/Pons-WinneckeCCD13.9Ritchey-Chretien20.3 cm2340s
19 May 2021C/2021 A1 (Leonard)CCD17.5Ritchey-Chretien20.3 cm800s
19 May 2021C/2020 H6 (ATLAS)CCD15.7Ritchey-Chretien20.3 cm2160s
19 May 2021C/2020 T2 (Palomar)CCD10.53.0Ritchey-Chretien20.3 cm1200s
15 May 202115P/FinlayCCD14.11.5Ritchey-Chretien51.0 cm600s
11 May 2021C/2021 A1 (Leonard)CCD17.6Ritchey-Chretien20.3 cm540s
7 May 2021117P/Helin-Roman-AluCCD15.50.4Ritchey-Chretien20.3 cm2100s
7 May 2021C/2020 R4 (ATLAS)Visual10.3:&3.02Newtonian30.4 cm25x
7 May 2021C/2020 R4 (ATLAS)CCD10.9:0.3Ritchey-Chretien20.3 cm2640s
7 May 2021C/2020 H6 (ATLAS)CCD16.00.3Ritchey-Chretien20.3 cm1800s
18 Apr 2021117P/Helin-Roman-AluCCD15.30.5Ritchey-Chretien20.3 cm3000s
18 Apr 2021C/2021 A1 (Leonard)CCD17.70.2Ritchey-Chretien20.3 cm800s
17 Apr 2021C/2017 K2 (PANSTARRS)CCD13.70.9Ritchey-Chretien20.3 cm3000s
16 Apr 2021C/2020 T2 (Palomar)CCD12.12.3Ritchey-Chretien20.3 cm2700s
13 Apr 2021C/2020 R4 (ATLAS)Visual10.2&3.02Newtonian30.4 cm25x
13 Apr 2021C/2017 K2 (PANSTARRS)CCD14.20.6Ritchey-Chretien20.3 cm300s
11 Apr 2021117P/Helin-Roman-AluCCD15.40.4Ritchey-Chretien20.3 cm
11 Apr 2021C/2020 S8 (Lemmon)CCD16.00.4Ritchey-Chretien20.3 cm2100s
11 Apr 2021C/2020 S8 (Lemmon)CCD16.00.4Ritchey-Chretien20.3 cm2400s
11 Apr 2021409P/LONEOS-HillCCD15.80.4Ritchey-Chretien20.3 cm2400s
11 Apr 2021C/2020 T2 (Palomar)CCD12.61.5Ritchey-Chretien20.3 cm3000s
5 Apr 2021C/2021 A1 (Leonard)CCD17.60.3Ritchey-Chretien51.0 cm900s
2 Apr 2021C/2020 T2 (Palomar)CCD12.81.3Ritchey-Chretien20.3 cm900s
30 Mar 2021C/2020 V2 (ZTF)CCD17.00.2Ritchey-Chretien20.3 cm300s
7 Mar 2021C/2021 A1 (Leonard)CCD18.00.2Ritchey-Chretien51.0 cm900s
5 Mar 2021409P/LONEOS-HillCCD15.80.2Ritchey-Chretien20.3 cm900s
5 Mar 2021141P/MachholzCCD15.00.7Ritchey-Chretien20.3 cm1800s
5 Mar 2021156P/Russell-LINEARCCD13.40.3Ritchey-Chretien20.3 cm2100s
2 Mar 2021C/2021 A2 (NEOWISE)CCD15.30.4Ritchey-Chretien20.3 cm1620s
2 Mar 2021C/2021 A4 (NEOWISE)CCD12.90.3Ritchey-Chretien20.3 cm540s
21 Feb 2021409P/LONEOS-HillCCD15.70.2Ritchey-Chretien20.3 cm1080s
12 Feb 2021C/2020 T2 (Palomar)CCD15.30.4Ritchey-Chretien20.3 cm3000s
11 Feb 2021C/2021 A2 (NEOWISE)CCD12.30.7Ritchey-Chretien20.3 cm2400s
11 Feb 2021P/2020 U2 (PANSTARRS)CCD16.60.2Ritchey-Chretien20.3 cm1080s
11 Feb 2021C/2019 L3 (ATLAS)CCD13.40.5Ritchey-Chretien20.3 cm200s
31 Jan 2021C/2017 K2 (PANSTARRS)CCD14.40.5Ritchey-Chretien20.3 cm1200s
24 Jan 2021C/2021 A1 (Leonard)CCD18.60.1Ritchey-Chretien51.0 cm200s
8 Jan 2021398P/BoattiniCCD13.11.0Ritchey-Chretien20.3 cm1200s
8 Jan 2021156P/Russell-LINEARCCD12.50.8Ritchey-Chretien20.3 cm540s
8 Jan 2021141P/MachholzCCD10.83.0Ritchey-Chretien20.3 cm1260s
8 Jan 202188P/HowellCCD12.32.2Ritchey-Chretien20.3 cm1260s
8 Jan 2021P/2016 J3 (STEREO)CCD14.70.8Ritchey-Chretien20.3 cm900s
8 Jan 2021414P/STEREOCCD14.70.8Ritchey-Chretien20.3 cm900s
15 Dec 2020156P/Russell-LINEARCCD11.4Ritchey-Chretien20.3 cm
15 Dec 2020C/2019 L3 (ATLAS)CCD14.1Ritchey-Chretien20.3 cm620s
15 Dec 2020162P/Siding SpringCCD16.3Ritchey-Chretien20.3 cm620s
13 Nov 2020C/2020 M3 (ATLAS)Visual8.36.02Newtonian13.0 cm25x
13 Nov 2020C/2020 M3 (ATLAS)CCD8.93.0Ritchey-Chretien20.3 cm900s
12 Nov 2020C/2020 N1 (PANSTARRS)CCD17.50.1Ritchey-Chretien20.3 cm1440s
7 Nov 2020398P/BoattiniCCD14.80.5Ritchey-Chretien20.3 cm2400s
4 Nov 202011P/Tempel-Swift-LINEARCCD16.20.3Ritchey-Chretien20.3 cm2700s
2 Nov 2020C/2019 L3 (ATLAS)CCD14.20.4Ritchey-Chretien20.3 cm620s
2 Nov 2020156P/Russell-LINEARCCD12.20.6Ritchey-Chretien20.3 cm1620s
2 Nov 2020C/2017 K2 (PANSTARRS)CCD15.10.4Ritchey-Chretien20.3 cm1440s
27 Oct 2020C/2020 S3 (Erasmus)CCD10.0Ritchey-Chretien20.3 cm540s
22 Oct 2020C/2020 N1 (PANSTARRS)CCD17.4Ritchey-Chretien20.3 cm1620s
16 Oct 202011P/Tempel-Swift-LINEARCCD16.80.3Ritchey-Chretien20.3 cm3000s
16 Oct 2020C/2019 L3 (ATLAS)CCD14.40.5Ritchey-Chretien20.3 cm500s
16 Oct 2020C/2020 N1 (PANSTARRS)CCD17.20.1Ritchey-Chretien20.3 cm1500s
10 Oct 2020C/2020 S3 (Erasmus)CCD15.20.5Ritchey-Chretien20.3 cm2400s
10 Oct 2020C/2019 L3 (ATLAS)CCD14.70.4Ritchey-Chretien20.3 cm800s
30 Aug 2020C/2020 M3 (ATLAS)CCD11.42.0Refractor12.7 cm1800s
28 Aug 2020C/2020 M3 (ATLAS)CCD14.7Ritchey-Chretien51.0 cm360s
28 Aug 2020156P/Russell-LINEARCCD16.89Ritchey-Chretien51.0 cm180s
24 Aug 2020C/2019 L3 (ATLAS)CCD15.50.2Ritchey-Chretien20.3 cm540s
18 Aug 2020C/2019 K7 (Smith)CCD15.7Ritchey-Chretien20.3 cm540s
18 Aug 2020C/2017 Y2 (PANSTARRS)CCD16.9Ritchey-Chretien20.3 cm900s
8 Aug 2020C/2019 L3 (ATLAS)CCD15.79Ritchey-Chretien20.3 cm720s
8 Aug 2020115P/MauryCCD16.00.2Ritchey-Chretien20.3 cm720s
7 Aug 2020C/2018 U1 (Lemmon)CCD16.70.2Ritchey-Chretien20.3 cm540s
7 Aug 2020C/2019 K7 (Smith)CCD15.10.1Ritchey-Chretien20.3 cm1080s
7 Aug 2020C/2017 K2 (PANSTARRS)CCD15.60.5Ritchey-Chretien20.3 cm900s
7 Aug 2020C/2018 N2 (ASASSN)CCD14.40.6Ritchey-Chretien20.3 cm900s
7 Aug 2020C/2020 F3 (NEOWISE)Visual6.2&8.05/Binoculars5.0 cm10x
7 Aug 2020C/2019 N1 (ATLAS)CCD14.10.6Ritchey-Chretien20.3 cm900s
7 Aug 2020C/2017 T2 (PANSTARRS)CCD10.8Ritchey-Chretien20.3 cm720s
6 Aug 2020C/2020 F3 (NEOWISE)Visual5.9&8.06Binoculars5.0 cm10x
2 Aug 202029P/Schwassmann-WachmannCCD12.70.6Ritchey-Chretien20.0 cm540s
1 Aug 2020C/2018 N2 (ASASSN)CCD14.10.4Ritchey-Chretien20.0 cm300s
1 Aug 2020249P/LINEARCCD16.5Ritchey-Chretien51.0 cm1080s
30 Jul 2020C/2020 F3 (NEOWISE)Visual4.86Binoculars5.0 cm10x
28 Jul 2020249P/LINEARCCD15.7Ritchey-Chretien51.0 cm540s
25 Jul 2020249P/LINEARCCD15.5Ritchey-Chretien51.0 cm540s
22 Jul 2020C/2020 F3 (NEOWISE)Visual3.5S7/Binoculars5.0 cm10x
20 Jul 2020C/2020 F3 (NEOWISE)Visual3.36.0S8Binoculars5.0 cm10x
20 Jul 2020C/2020 F3 (NEOWISE)Visual3.3:S8Naked eye0.0 cm
20 Jul 2020C/2017 T2 (PANSTARRS)Visual10.5&2.03/Newtonian30.0 cm108x
20 Jul 2020C/2019 U6 (Lemmon)Visual8.7&6.03Newtonian30.0 cm64x
17 Jul 2020C/2020 F3 (NEOWISE)Visual2.7<4.0S8Binoculars5.0 cm10x
17 Jul 2020C/2020 F3 (NEOWISE)Visual2.8:S8Naked eye0.0 cm
11 Jul 2020C/2020 F3 (NEOWISE)Visual1.48Binoculars5.0 cm10x
11 Jul 2020C/2020 F3 (NEOWISE)Visual1.3<4.08Binoculars5.0 cm10x
10 Jul 2020C/2020 F3 (NEOWISE)Visual1.48Naked eye0.0 cm
10 Jul 2020C/2020 F3 (NEOWISE)Visual1.3<4.08Binoculars5.0 cm10x
6 Jul 2020C/2020 F3 (NEOWISE)Visual1.27Binoculars5.0 cm10x
21 May 2020C/2020 F8 (SWAN)Visual6.4&5.03Newtonian13.0 cm25x
21 May 2020C/2017 T2 (PANSTARRS)Visual8.6&6.04Newtonian13.0 cm25x
17 May 2020C/2020 F8 (SWAN)Visual5.74.03Newtonian13.0 cm25x
17 May 2020C/2017 T2 (PANSTARRS)Visual8.75.04Newtonian13.0 cm46x
21 Apr 2020C/2017 T2 (PANSTARRS)Visual8.75.04Newtonian13.0 cm25x
21 Apr 2020C/2019 Y1 (ATLAS)Visual8.05.05Newtonian13.0 cm25x
26 Mar 2020C/2019 Y4 (ATLAS)Visual7.910.53Newtonian13.0 cm25x
21 Mar 2020C/2019 Y4 (ATLAS)Visual8.0&12.03Newtonian13.0 cm25x
21 Mar 2020C/2017 T2 (PANSTARRS)Visual8.64.05Newtonian13.0 cm46x
21 Mar 2020C/2019 Y1 (ATLAS)Visual8.24.56Newtonian13.0 cm46x
20 Mar 2020C/2019 Y4 (ATLAS)Visual8.112.03Newtonian13.0 cm25x
16 Mar 2020C/2019 Y4 (ATLAS)Visual8.511.03Newtonian13.0 cm25x
16 Mar 2020C/2017 T2 (PANSTARRS)Visual8.64.05Newtonian13.0 cm46x
29 Feb 2020246P/NEATCCD14.80.3Ritchey-Chretien51.0 cm240s
16 Feb 2020C/2019 Y4 (ATLAS)CCD14.90.4Ritchey-Chretien43.1 cm540s
14 Feb 2020112P/Urata-NiijimaCCD15.80.3Ritchey-Chretien51.0 cm360s
1 Feb 2020C/2020 A2 (Iwamoto)CCD12.82.1Newtonian25.0 cm540s
19 Jan 2020C/2017 T2 (PANSTARRS)Visual9.63.05Newtonian30.0 cm109x
15 Jan 2020C/2019 Y1 (ATLAS)CCD15.20.4Ritchey-Chretien51.0 cm180s
28 Dec 201988P/HowellCCD18.9Ritchey-Chretien51.0 cm360s
20 Dec 2019C/2017 T2 (PANSTARRS)Visual9.92.05Newtonian30.0 cm109x
5 Dec 2019C/2018 F4 (PANSTARRS)CCD13.9Refractor12.7 cm540s
24 Nov 2019C/2019 N1 (ATLAS)CCD17.3Ritchey-Chretien61.0 cm360s
24 Nov 2019C/2017 T2 (PANSTARRS)Visual10.41.54Newtonian30.0 cm109x
6 Oct 20192I/BorisovCCD16.40.2Ritchey-Chretien43.1 cm900s
4 Oct 2019C/2019 K5 (Young)CCD15.30.3Ritchey-Chretien61.0 cm180s
21 Sep 2019C/2018 W2 (Africano)Visual8.78.02/Newtonian13.0 cm25x
20 Sep 2019C/2018 W2 (Africano)Visual8.97.02/Newtonian30.0 cm64x
19 Sep 2019C/2018 W2 (Africano)Visual9.25.02/Newtonian30.0 cm64x
9 Sep 2019C/2018 W2 (Africano)Visual10.05.03Newtonian30.0 cm64x
3 Aug 2019261P/LarsonCCD15.60.2Ritchey-Chretien61.0 cm540s
3 Aug 2019260P/McNaughtCCD13.30.3Ritchey-Chretien61.0 cm360s
23 Jul 2019C/2017 T2 (PANSTARRS)CCD14.20.3Ritchey-Chretien51.0 cm360s
10 Jul 2019C/2018 N2 (ASASSN)CCD13.20.75Ritchey-Chretien43.1 cm60s
14 May 201968P/KlemolaCCD16.60.1Ritchey-Chretien61.0 cm180s
5 May 2019C/2019 D1 (Flewelling)CCD15.30.35Ritchey-Chretien61.0 cm180s
28 Apr 201968P/KlemolaCCD17.20.1Ritchey-Chretien61.0 cm120s
23 Mar 2019C/2017 T2 (PANSTARRS)CCD15.00.33Ritchey-Chretien51.0 cm180s
17 Mar 2019C/2018 W2 (Africano)CCD16.20.24Ritchey-Chretien61.0 cm60s
11 Mar 2019C/2018 Y1 (Iwamoto)Visual9.68.02Newtonian30.0 cm64x
27 Feb 2019C/2018 Y1 (Iwamoto)Visual8.310.02/Newtonian13.0 cm46x
26 Feb 2019C/2018 Y1 (Iwamoto)Visual8.210.02/Newtonian13.0 cm46x
25 Feb 2019C/2018 Y1 (Iwamoto)Visual8.111.03Newtonian13.0 cm25x
24 Feb 2019C/2018 Y1 (Iwamoto)Visual7.911.03Newtonian13.0 cm25x
23 Feb 2019C/2018 Y1 (Iwamoto)Visual7.811.03Newtonian13.0 cm25x
23 Feb 2019C/2017 T2 (PANSTARRS)CCD15.30.35Ritchey-Chretien61.0 cm180s
17 Feb 2019C/2017 K2 (PANSTARRS)CCD17.20.12Binoculars51.0 cm360s
15 Feb 2019C/2018 Y1 (Iwamoto)Visual6.613.04Newtonian13.0 cm25x
3 Feb 2019C/2018 Y1 (Iwamoto)Visual7.59.03Newtonian13.0 cm25x
7 Jan 201964P/Swift-GehrelsCCD10.3Ritchey-Chretien41.3 cm360s
2 Jan 201964P/Swift-GehrelsCCD9.73.06Ritchey-Chretien43.0 cm240s
1 Jan 2019C/2017 T2 (PANSTARRS)CCD15.00.24Ritchey-Chretien61.0 cm60s
27 Dec 201846P/WirtanenVisual5.330.03/Binoculars5.0 cm10x
25 Dec 201846P/WirtanenVisual5.135.03/Binoculars5.0 cm10x
22 Dec 2018C/2018 Y1 (Iwamoto)CCD14.11.6 cm120s
17 Dec 201846P/WirtanenVisual4.635.03/Binoculars5.0 cm10x
13 Dec 201846P/WirtanenVisual4.545.03/Binoculars5.0 cm10x
10 Dec 201864P/Swift-GehrelsVisual9.36.04Newtonian30.5 cm64x
10 Dec 201846P/WirtanenVisual4.840.03/Binoculars5.0 cm10x
9 Dec 201846P/WirtanenVisual4.940.03/Binoculars5.0 cm10x
9 Dec 2018C/2018 W2 (Africano)CCD16.7Ritchey-Chretien61.0 cm
7 Dec 201846P/WirtanenVisual5.038.03Binoculars5.0 cm10x
30 Nov 201838P/Stephan-OtermaVisual9.83.04Newtonian30.5 cm64x
30 Nov 201846P/WirtanenVisual5.727.03Binoculars5.0 cm10x
30 Nov 201864P/Swift-GehrelsVisual9.25.05Newtonian30.5 cm64x
17 Nov 2018C/2018 V1 (Machholz-Fujikawa-Iwamoto)Visual8.35.05Newtonian30.5 cm64x
17 Nov 201838P/Stephan-OtermaVisual9.83.83/Newtonian30.5 cm64x
15 Nov 2018C/2018 V1 (Machholz-Fujikawa-Iwamoto)Visual8.13.04Newtonian13.0 cm25x
14 Nov 2018C/2018 V1 (Machholz-Fujikawa-Iwamoto)Visual8.03.04Newtonian30.5 cm64x
11 Nov 2018C/2018 V1 (Machholz-Fujikawa-Iwamoto)CCD7.7 cm180s
10 Nov 2018C/2017 T2 (PANSTARRS)CCD15.8Ritchey-Chretien43.0 cm
11 Oct 201838P/Stephan-OtermaVisual10.61.72Newtonian30.5 cm109x
11 Oct 201864P/Swift-GehrelsVisual11.01.83Newtonian30.5 cm109x
10 Oct 201838P/Stephan-OtermaVisual10.81.63Newtonian30.5 cm64x
6 Oct 2018C/2017 T2 (PANSTARRS)CCD16.16Ritchey-Chretien51.0 cm120s
16 Sep 2018123P/West-HartleyCCD16.2Ritchey-Chretien61.0 cm360s
16 Sep 201859P/Kearns-KweeCCD16.8Ritchey-Chretien61.0 cm180s
9 Sep 201821P/Giacobini-ZinnerVisual7.35Binoculars5.0 cm10x
8 Sep 201821P/Giacobini-ZinnerVisual7.38.05Binoculars5.0 cm10x
4 Sep 201821P/Giacobini-ZinnerVisual7.38.03Binoculars5.0 cm10x
17 Aug 201821P/Giacobini-ZinnerVisual7.76.04/Newtonian13.0 cm25x
13 Aug 201846P/WirtanenCCD15.9Ritchey-Chretien61.0 cm180s
6 Aug 201829P/Schwassmann-WachmannCCD13.20.7Ritchey-Chretien43.0 cm180s
4 Aug 201821P/Giacobini-ZinnerVisual8.44.55Newtonian13.0 cm25x
4 Aug 201821P/Giacobini-ZinnerVisual8.36.04Binoculars5.0 cm10x
30 Jul 201838P/Stephan-OtermaCCD15.76.0Ritchey-Chretien41.3 cm60s
22 Jul 2018C/2017 S3 (PANSTARRS)Visual8.86.03Newtonian13.0 cm25x
22 Jul 201821P/Giacobini-ZinnerVisual9.33.05Newtonian13.0 cm25x
20 Jul 2018C/2017 S3 (PANSTARRS)Visual6.76.0D6Binoculars5.0 cm10x
14 Jul 201821P/Giacobini-ZinnerVisual9.92.85Newtonian30.5 cm64x
13 Jul 201821P/Giacobini-ZinnerVisual10.22.84Newtonian13.0 cm25x
11 Jul 2018C/2018 N1 (NEOWISE)CCD10.56.0Refractor10.6 cm60s
3 Jul 2018C/2017 S3 (PANSTARRS)Visual9.72.24Newtonian13.0 cm46x
13 Jun 201821P/Giacobini-ZinnerCCD13.71.25Ritchey-Chretien61.0 cm120s
3 Jun 201821P/Giacobini-ZinnerCCD14.26Ritchey-Chretien61.0 cm120s
3 Jun 2018C/2017 S3 (PANSTARRS)CCD16.15Ritchey-Chretien61.0 cm60s
26 May 2018C/2018 K1 (Weiland)CCD16.9 cm120s
16 Apr 2018C/2017 S3 (PANSTARRS)CCD17.6Binoculars51.0 cm
13 Apr 201821P/Giacobini-ZinnerCCD17.3Ritchey-Chretien61.0 cm300s
17 Mar 201821P/Giacobini-ZinnerCCD18.3Ritchey-Chretien51.0 cm180s
14 Mar 2018C/2018 E1 (ATLAS)CCD17.3 cm180s
24 Jan 2018C/2017 K2 (PANSTARRS)CCD18.23Ritchey-Chretien61.0 cm
7 Jan 2018C/2017 T1 (Heinze)Visual10.53.03Newtonian30.5 cm64x
29 Dec 2017C/2017 T1 (Heinze)CCD11.11.3Ritchey-Chretien61.0 cm600s
29 Dec 2017C/2017 T1 (Heinze)Visual11.41.33Newtonian30.5 cm109x
21 Dec 2017C/2017 T1 (Heinze)CCD12.30.45Ritchey-Chretien43.1 cm180s
21 Dec 2017C/2016 R2 (PANSTARRS)CCD11.31.86Ritchey-Chretien43.1 cm120s
21 Dec 2017174P/EcheclusCCD13.40.92Ritchey-Chretien43.1 cm120s
26 Nov 2017C/2017 T1 (Heinze)CCD15.76Binoculars61.0 cm120s
21 Oct 2017C/2017 T1 (Heinze)CCD17.80.24Ritchey-Chretien70.0 cm180s
14 Oct 2017C/2017 O1 (ASASSN)Visual8.96.02Binoculars30.5 cm64x
22 Sep 2017C/2017 O1 (ASASSN)Visual9.67.02Newtonian30.5 cm64x
20 Sep 2017C/2017 K2 (PANSTARRS)CCD19.15Ritchey-Chretien61.0 cm180s
19 Sep 2017C/2017 K2 (PANSTARRS)CCD19.25Ritchey-Chretien61.0 cm600s
24 Jul 2017C/2016 R2 (PANSTARRS)CCD14.07Ritchey-Chretien43.0 cm600s
24 Jul 2017C/2017 O1 (ASASSN)CCD12.04Ritchey-Chretien43.0 cm120s
24 Jul 2017C/2015 VL62 (Lemmon-Yeung-PANSTARRS)CCD13.85Ritchey-Chretien43.0 cm120s
1 Jul 2017C/2016 R2 (PANSTARRS)CCD15.36Ritchey-Chretien43.0 cm120s
2 Jun 2017C/2017 K2 (PANSTARRS)CCD19.14Ritchey-Chretien61.0 cm120s
31 May 2017C/2015 VL62 (Lemmon-Yeung-PANSTARRS)CCD15.04Ritchey-Chretien43.0 cm600s
28 May 2017C/2017 D2 (Barros)CCD16.35Ritchey-Chretien43.0 cm120s
26 May 2017C/2015 V2 (Johnson)Visual8.18.06Newtonian30.5 cm64x
19 May 2017C/2015 V2 (Johnson)Visual8.58.04Newtonian13.0 cm46x
16 May 2017C/2015 V2 (Johnson)Visual8.57.05Newtonian13.0 cm46x
8 May 2017C/2015 V2 (Johnson)Visual8.74.56Binoculars30.5 cm64x
17 Apr 2017C/2016 R2 (PANSTARRS)CCD16.62Binoculars25.0 cm180s
9 Apr 2017C/2017 E4 (Lovejoy)Visual6.35.06Newtonian13.0 cm25x
1 Apr 2017C/2015 V2 (Johnson)Visual9.23.54Binoculars30.5 cm64x
27 Mar 201741P/Tuttle-Giacobini-KresakVisual7.316.04Newtonian13.0 cm25x
23 Mar 201741P/Tuttle-Giacobini-KresakVisual7.813.04Newtonian30.6 cm64x
21 Mar 201741P/Tuttle-Giacobini-KresakVisual7.915.03Newtonian30.5 cm64x
15 Mar 201741P/Tuttle-Giacobini-KresakVisual8.918.04Newtonian13.0 cm25x
11 Mar 2017C/2015 V2 (Johnson)Visual10.71.24Newtonian30.5 cm109x
23 Feb 2017C/2016 R2 (PANSTARRS)CCD14.94Ritchey-Chretien43.1 cm120s
15 Feb 20172P/EnckeVisual9.82.53Newtonian30.5 cm109x
19 Jan 2017C/2016 R2 (PANSTARRS)CCD14.1Ritchey-Chretien43.0 cm300s
28 Dec 201641P/Tuttle-Giacobini-KresakCCD15.73Ritchey-Chretien43.0 cm180s
22 Dec 2016C/2016 R2 (PANSTARRS)CCD13.44Ritchey-Chretien43.1 cm300s
21 Dec 2016C/2016 R2 (PANSTARRS)CCD13.95Ritchey-Chretien70.0 cm180s
20 Dec 2016C/2016 U1 (NEOWISE)Visual9.73.02Newtonian30.5 cm64x
10 Dec 201643P/Wolf-HarringtonCCD12.95Refractor10.6 cm180s
6 Dec 2016C/2016 U1 (NEOWISE)Visual10.54.01Newtonian30.5 cm64x
3 May 2016C/2014 S2 (PANSTARRS)Visual10.72.83Newtonian30.5 cm109x
14 Apr 2016252P/LINEARVisual6.79.04Newtonian30.5 cm64x
14 Apr 2016C/2014 S2 (PANSTARRS)Visual10.02.33Newtonian30.5 cm109x
8 Apr 2016C/2014 S2 (PANSTARRS)Visual9.72.03Newtonian30.5 cm109x
22 Mar 2016P/2016 BA14 (PANSTARRS)Visual12.71.09 cm
29 Dec 2015C/2013 X1 (PANSTARRS)Visual9.83.03Newtonian30.5 cm109x
8 Dec 2015C/2013 X1 (PANSTARRS)Visual10.21.53Newtonian30.5 cm109x
8 Dec 2015C/2013 US10 (Catalina)Visual6.56.04Newtonian30.5 cm109x
13 Nov 2015C/2013 X1 (PANSTARRS)Visual10.71.03Newtonian30.5 cm109x
13 Nov 2015C/2014 S2 (PANSTARRS)Visual9.32.05Newtonian30.5 cm109x
8 Nov 2015C/2013 X1 (PANSTARRS)Visual10.71.53Newtonian30.5 cm109x
1 Nov 2015C/2014 S2 (PANSTARRS)Visual9.63.04Newtonian30.5 cm109x
11 Oct 2015C/2014 S2 (PANSTARRS)Visual10.42.05Newtonian30.5 cm109x
1 Oct 2015C/2014 S2 (PANSTARRS)Visual10.61.54Newtonian30.5 cm109x
30 Sep 2015C/2014 S2 (PANSTARRS)Visual10.71.55Newtonian30.5 cm109x
26 Sep 2015C/2014 S2 (PANSTARRS)Visual10.62.04Newtonian30.5 cm109x
28 Jul 2015C/2014 Q2 (Lovejoy)Visual9.8Newtonian30.5 cm64x
6 Jul 2015C/2014 Q2 (Lovejoy)Visual8.9Newtonian30.5 cm64x
22 Jun 2015C/2014 Q2 (Lovejoy)Visual8.5 cm
10 Mar 2015C/2014 Q2 (Lovejoy)Visual5.8Newtonian30.5 cm64x
17 Feb 2015C/2014 Q2 (Lovejoy)Visual5.4Newtonian30.5 cm64x
6 Feb 2015C/2014 Q2 (Lovejoy)Visual5.0Naked eye0.0 cm
26 Jan 2015C/2014 Q2 (Lovejoy)Visual4.6Binoculars5.0 cm10x
21 Jan 2015C/2014 Q2 (Lovejoy)Visual4.3Binoculars5.0 cm10x
20 Jan 2015C/2014 Q2 (Lovejoy)Visual4.3Binoculars5.0 cm10x
16 Jan 2015C/2014 Q2 (Lovejoy)Visual4.0Binoculars5.0 cm10x
14 Jan 2015C/2014 Q2 (Lovejoy)Visual4.1Naked eye0.0 cm
13 Jan 2015C/2014 Q2 (Lovejoy)Visual4.2Naked eye0.0 cm
10 Jan 2015C/2014 Q2 (Lovejoy)Visual4.4Binoculars5.0 cm10x
8 Jan 2015C/2014 Q2 (Lovejoy)Visual4.5Binoculars5.0 cm10x
3 Jan 2015C/2014 Q2 (Lovejoy)Visual4.9Binoculars5.0 cm10x
2 Jan 2015C/2014 Q2 (Lovejoy)Visual4.9Binoculars5.0 cm10x
31 Dec 2014C/2014 Q2 (Lovejoy)Visual5.0Binoculars5.0 cm10x
28 Dec 2014C/2014 Q2 (Lovejoy)Visual5.2Binoculars5.0 cm10x
26 Dec 2014C/2014 Q2 (Lovejoy)Visual6.0Binoculars5.0 cm10x
17 Sep 2014C/2014 E2 (Jacques)Visual8.3Newtonian30.5 cm64x
1 Sep 2014C/2014 E2 (Jacques)Visual7.2Newtonian30.5 cm64x
28 Aug 2014C/2014 E2 (Jacques)Visual7.1Newtonian30.5 cm64x
27 Aug 2014C/2014 E2 (Jacques)Visual7.0Binoculars5.0 cm10x
25 Aug 2014C/2014 E2 (Jacques)Visual6.9Binoculars5.0 cm10x
13 Aug 2014C/2014 E2 (Jacques)Visual6.8Binoculars5.0 cm10x
3 Aug 2014C/2014 E2 (Jacques)Visual6.9Newtonian30.5 cm64x
2 Aug 2014C/2014 E2 (Jacques)Visual7.0Newtonian30.5 cm
11 Jun 2014C/2012 K1 (PANSTARRS)Visual8.2Newtonian30.5 cm
1 Jun 2014C/2012 K1 (PANSTARRS)Visual8.3Newtonian30.5 cm
25 May 2014C/2012 K1 (PANSTARRS)Visual8.6Newtonian30.5 cm
12 May 2014C/2012 K1 (PANSTARRS)Visual8.7Newtonian30.5 cm
3 May 2014C/2012 K1 (PANSTARRS)Visual8.8Newtonian30.5 cm
28 Apr 2014C/2012 K1 (PANSTARRS)Visual8.9Newtonian30.5 cm
25 Apr 2014C/2012 K1 (PANSTARRS)Visual9.1Newtonian30.5 cm
20 Apr 2014C/2012 K1 (PANSTARRS)Visual9.5Newtonian30.5 cm
16 Apr 2014C/2012 K1 (PANSTARRS)Visual9.6Newtonian30.5 cm
9 Apr 2014C/2012 K1 (PANSTARRS)Visual9.8Newtonian30.5 cm
5 Apr 2014C/2012 K1 (PANSTARRS)Visual10.0Newtonian30.5 cm
21 Mar 2014C/2012 K1 (PANSTARRS)Visual10.1Newtonian30.5 cm
9 Mar 2014C/2012 K1 (PANSTARRS)Visual10.9Newtonian30.5 cm
3 Feb 2014C/2013 R1 (Lovejoy)Visual7.4Newtonian13.0 cm26x
3 Feb 2014C/2012 X1 (LINEAR)Visual8.7Newtonian13.0 cm26x
7 Jan 2014C/2013 R1 (Lovejoy)Visual6.3Newtonian13.0 cm26x
23 Dec 2013C/2013 R1 (Lovejoy)Visual5.9Newtonian13.0 cm26x
20 Dec 2013C/2013 R1 (Lovejoy)Visual6.0Newtonian13.0 cm26x
15 Nov 2013C/2013 R1 (Lovejoy)Visual5.7Newtonian13.0 cm26x
15 Nov 2013C/2012 S1 (ISON)Visual6.2Newtonian13.0 cm26x
13 Nov 2013C/2013 R1 (Lovejoy)Visual5.8Newtonian13.0 cm26x
13 Nov 2013C/2012 S1 (ISON)Visual7.3Newtonian13.0 cm26x
11 Nov 2013C/2013 R1 (Lovejoy)Visual6.3Newtonian13.0 cm26x
9 Nov 2013C/2013 R1 (Lovejoy)Visual6.5Newtonian13.0 cm26x
9 Nov 2013C/2012 S1 (ISON)Visual8.2Newtonian13.0 cm26x
5 Nov 2013C/2013 R1 (Lovejoy)Visual7.5Newtonian13.0 cm26x
30 Oct 2013C/2013 R1 (Lovejoy)Visual8.0Newtonian13.0 cm26x
3 May 2013C/2011 L4 (PANSTARRS)Visual7.6Newtonian13.0 cm26x
6 Apr 2013C/2011 L4 (PANSTARRS)Visual5.0Newtonian13.0 cm26x
1 Apr 2013C/2011 L4 (PANSTARRS)Visual4.5Newtonian13.0 cm26x
 



    Terminology:

    magnitude:      brightness estimate of the comet
    coma:           size estimate of the comet's coma, measured in arcminutes
    condensation:   degree of condensation (0=completely diffuse, 9=completely stellar)

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