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Comet observations

Until today I've had the opportunity to observe and image 101 different comets.
The table below lists the individual observations of each of those comets.

Number of comets observed visually: 40
Number of visual observations: 173

Number of comets imaged: 82
Number of ccd observations: 181


Comet observations
date designation Type Magnitude Coma (arcmin) Condensation Instrument Aperture Power/Exp.
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 cm1800s
3 Sep 20214P/FayeCCD11.91.5Ritchey-Chretien20.3 cm3000s
3 Sep 202167P/Churyumov-GerasimenkoCCD12.40.9Ritchey-Chretien20.3 cm2100s
3 Sep 2021132P/Helin-Roman-AluCCD15.90.4Ritchey-Chretien20.3 cm2100s
2 Sep 2021C/2019 T3 (ATLAS)CCD16.80.3Ritchey-Chretien20.3 cm2100s
2 Sep 2021C/2021 E3 (ZTF)CCD16.20.3Ritchey-Chretien20.3 cm2400s
2 Sep 2021C/2020 PV6 (PANSTARRS)CCD14.80.6Ritchey-Chretien20.3 cm2700s
24 Aug 2021C/2019 L3 (ATLAS)CCD11.52.1Ritchey-Chretien20.3 cm1980s
24 Aug 2021108P/CiffreoCCD15.30.2Ritchey-Chretien20.3 cm720s
24 Aug 20214P/FayeCCD12.21.3Ritchey-Chretien20.3 cm1980s
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)CCD14.60.8Ritchey-Chretien20.3 cm2160s
19 Jul 202128P/NeujminCCD16.60.1Ritchey-Chretien20.3 cm720s
19 Jul 202167P/Churyumov-GerasimenkoCCD14.50.5Ritchey-Chretien20.3 cm3000s
18 Jul 20214P/FayeCCD13.30.4Ritchey-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 cm1800s
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 cm3000s
12 Jun 20216P/d'ArrestCCD18.30.1Ritchey-Chretien20.3 cm1500s
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 cm1800s
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)CCD17.5Binoculars20.3 cm4800s
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 cm4800s
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 cm1620s
2 Apr 2021C/2020 T2 (Palomar)CCD12.81.3Ritchey-Chretien20.3 cm900s
30 Mar 2021C/2020 V2 (ZTF)CCD17.00.2Ritchey-Chretien20.3 cm1800s
7 Mar 2021C/2021 A1 (Leonard)CCD18.00.2Ritchey-Chretien51.0 cm3300s
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 cm1200s
31 Jan 2021C/2017 K2 (PANSTARRS)CCD14.40.5Ritchey-Chretien20.3 cm1200s
24 Jan 2021C/2021 A1 (Leonard)CCD18.60.1Ritchey-Chretien51.0 cm5400s
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 cm1440s
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 cm3900s
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 cm1500s
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 cm1440s
30 Aug 2020C/2020 M3 (ATLAS)CCD11.42.0Refractor12.7 cm1800s
28 Aug 2020156P/Russell-LINEARCCD16.89Ritchey-Chretien51.0 cm180s
28 Aug 2020C/2020 M3 (ATLAS)CCD14.7Ritchey-Chretien51.0 cm360s
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 cm900s
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/2019 N1 (ATLAS)CCD14.10.6Ritchey-Chretien20.3 cm900s
7 Aug 2020C/2020 F3 (NEOWISE)Visual6.2&8.05/Binoculars5.0 cm10x
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/2012 X1 (LINEAR)Visual8.7Newtonian13.0 cm26x
3 Feb 2014C/2013 R1 (Lovejoy)Visual7.4Newtonian13.0 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/2012 S1 (ISON)Visual6.2Newtonian13.0 cm26x
15 Nov 2013C/2013 R1 (Lovejoy)Visual5.7Newtonian13.0 cm26x
13 Nov 2013C/2012 S1 (ISON)Visual7.3Newtonian13.0 cm26x
13 Nov 2013C/2013 R1 (Lovejoy)Visual5.8Newtonian13.0 cm26x
11 Nov 2013C/2013 R1 (Lovejoy)Visual6.3Newtonian13.0 cm26x
9 Nov 2013C/2012 S1 (ISON)Visual8.2Newtonian13.0 cm26x
9 Nov 2013C/2013 R1 (Lovejoy)Visual6.5Newtonian13.0 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)