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Active supernovae

The below table lists all currently active (candidate) supernovae brighter than magnitude 18.
For more information about a certain supernova, click on its designation.

Supernova Discovery Maximum Last observed
designation host type ra dec date discoverer(s) date magn date magn
AT2022aauNGC 1672?04:45:41.83-59:14:43.920 Jan 2022DLT4020 Jan 202216.320 Jan 202216.3
AT2022aazNova?00:41:31.30+41:11:48.020 Jan 2022David Balam20 Jan 202217.320 Jan 202217.3
AT2022aabUGC 10566?16:49:01.91+36:11:32.719 Jan 2022ATLAS19 Jan 202217.819 Jan 202217.8
AT2022aaaLEDA 2078612?17:43:31.31+36:19:08.219 Jan 2022ATLAS19 Jan 202217.519 Jan 202217.5
AT2022zl?17:10:37.70+13:37:38.918 Jan 2022ATLAS18 Jan 202216.018 Jan 202216.0
AT2022aanYSO03:44:39.25+32:07:35.418 Jan 2022Gaia18 Jan 202214.418 Jan 202214.4
AT2022zjLEDA 268518?07:07:52.24-71:31:29.617 Jan 2022ATLAS17 Jan 202217.917 Jan 202217.9
AT2022ziLEDA 380155?05:59:33.75-58:19:28.417 Jan 2022ATLAS17 Jan 202216.717 Jan 202216.7
AT2022zfFlare06:35:28.27+64:17:47.417 Jan 2022Gaia17 Jan 202216.917 Jan 202216.9
AT2022ysMCG -2-7-2?02:21:47.20-10:01:38.217 Jan 2022ATLAS17 Jan 202217.217 Jan 202217.2
AT2022zhYSO?04:03:38.86+32:15:49.916 Jan 2022Gaia16 Jan 202216.316 Jan 202216.3
AT2022zaAGN15:17:30.27-06:33:06.316 Jan 2022Gaia16 Jan 202217.816 Jan 202217.8
AT2022yp?17:13:29.85-54:49:46.915 Jan 2022Gaia15 Jan 202216.615 Jan 202216.6
AT2022ylAGN15:08:09.20+13:00:32.415 Jan 2022Gaia15 Jan 202217.515 Jan 202217.5
AT2022sjQSO13:44:08.67+66:06:11.614 Jan 2022Gaia14 Jan 202217.614 Jan 202217.6
AT2022spulens?16:38:45.77-45:43:30.814 Jan 2022Gaia14 Jan 202215.514 Jan 202215.5
2022rpLEDA 2029208II23:15:36.55+33:18:55.114 Jan 2022ATLAS14 Jan 202217.814 Jan 202217.8
2022reLEDA 2738782Ia08:29:37.79+70:50:01.613 Jan 2022ATLAS16 Jan 202217.716 Jan 202217.7
AT2022rfulens?16:39:43.88-49:21:14.913 Jan 2022Gaia13 Jan 202211.413 Jan 202211.4
AT2022qf?20:12:14.34-81:56:27.612 Jan 2022Gaia12 Jan 202217.512 Jan 202217.5
AT2022pyESO 43-G11?16:59:49.87-73:03:32.312 Jan 2022Gaia12 Jan 202217.812 Jan 202217.8
AT2022rbQSO15:48:02.49+11:24:29.312 Jan 2022Gaia12 Jan 202217.912 Jan 202217.9
PSN J12264665+0852586UGC 7546?12:26:46.65+08:52:58.612 Jan 2022unknown12 Jan 202217.812 Jan 202217.8
AT2022moLEDA 2734550?11:36:05.79+70:11:00.411 Jan 2022ATLAS15 Jan 202217.815 Jan 202217.8
2022mmUGCA 258II11:58:25.13-14:31:11.311 Jan 2022ATLAS11 Jan 202217.411 Jan 202217.4
AT2022qb?16:19:19.79-61:48:23.111 Jan 2022Gaia11 Jan 202216.811 Jan 202216.8
AT2022jx?09:51:40.99-25:38:02.710 Jan 2022ATLAS10 Jan 202217.610 Jan 202217.6
2022fwNGC 4348Ia12:23:54.02-03:26:36.59 Jan 2022ASAS-SN9 Jan 202216.99 Jan 202216.9
AT2022osulens?15:54:45.04-49:38:49.89 Jan 2022Gaia9 Jan 202214.09 Jan 202214.0
2022gsIa21:48:43.90+84:53:54.79 Jan 2022ATLAS9 Jan 202217.79 Jan 202217.7
AT2022edLEDA 1614458?14:24:13.34+20:02:45.18 Jan 2022MASTER8 Jan 202216.38 Jan 202216.3
2022ejIa07:42:36.46+17:11:22.68 Jan 2022ATLAS8 Jan 202217.58 Jan 202217.5
2022deNGC 7594Ia23:18:13.35+10:17:32.97 Jan 2022ATLAS7 Jan 202217.37 Jan 202217.3
2022eaIa13:52:41.73+59:09:30.07 Jan 2022ASAS-SN7 Jan 202217.57 Jan 202217.5
2022dsNGC 2402Ia07:30:46.13+09:38:49.97 Jan 2022ATLAS7 Jan 202216.67 Jan 202216.6
AT2022ff?15:15:38.01-44:06:53.07 Jan 2022Gaia7 Jan 202217.27 Jan 202217.2
AT2022dfNGC 7642?23:22:53.80+01:26:35.77 Jan 2022ATLAS7 Jan 202217.87 Jan 202217.8
AT2022jkESO 253-5?05:27:08.75-46:04:09.87 Jan 2022Gaia7 Jan 202217.87 Jan 202217.8
AT2022dzNGC 3121MP10:06:49.57+14:21:51.87 Jan 2022Kunihiro Shima7 Jan 202216.87 Jan 202216.8
AT2022mx?10:28:06.25-09:46:44.87 Jan 2022ASAS-SN7 Jan 202217.67 Jan 202217.6
2022dyVI Zw 071Ia01:51:33.30+30:40:48.27 Jan 2022ASAS-SN7 Jan 202217.57 Jan 202217.5
AT2022dqYSO?13:13:33.15-62:37:43.96 Jan 2022Gaia6 Jan 202217.46 Jan 202217.4
2022ckIa04:42:44.40-36:22:56.56 Jan 2022ATLAS8 Jan 202217.28 Jan 202217.2
AT2022cy?11:25:55.03-44:07:55.56 Jan 2022ATLAS6 Jan 202217.36 Jan 202217.3
AT2022by?00:44:52.82-25:51:21.46 Jan 2022ATLAS6 Jan 202217.56 Jan 202217.5
AT2022efNGC 5968?15:39:54.32-30:33:23.46 Jan 2022Gaia6 Jan 202217.36 Jan 202217.3
AT2022bw?22:50:13.45-44:19:29.26 Jan 2022ASAS-SN6 Jan 202216.46 Jan 202216.4
AT2022dh?01:52:07.83-16:55:31.35 Jan 2022ASAS-SN5 Jan 202217.55 Jan 202217.5
2022baMCG -3-8-52Ia02:57:48.42-14:53:07.85 Jan 2022ATLAS16 Jan 202217.216 Jan 202217.2
2022blCGCG 073-094II13:54:10.11+09:24:40.45 Jan 2022ATLAS5 Jan 202217.95 Jan 202217.9
2022dlIa16:54:58.67+20:51:20.85 Jan 2022Gaia5 Jan 202217.85 Jan 202217.8
AT2022bhFlare05:14:56.43-23:32:08.84 Jan 2022Gaia4 Jan 202217.84 Jan 202217.8
AT2022bpFlare02:52:27.94+38:07:47.04 Jan 2022Gaia4 Jan 202217.04 Jan 202217.0
AT2022br?15:33:34.02-21:30:23.34 Jan 2022Gaia4 Jan 202217.34 Jan 202217.3
2022anNGC 4645BIa-91bg12:43:32.24-41:21:56.74 Jan 2022ASAS-SN4 Jan 202216.44 Jan 202216.4
2022bfMCG +8-3-20Ia01:23:26.48+49:58:14.13 Jan 2022Gaia3 Jan 202217.63 Jan 202217.6
AT2022T?02:21:09.27-31:52:37.93 Jan 2022ASAS-SN3 Jan 202217.23 Jan 202217.2
AT2022alYSO?22:12:52.15+58:56:50.43 Jan 2022Gaia3 Jan 202215.83 Jan 202215.8
AT2022aj?14:56:08.31-27:45:37.63 Jan 2022Gaia3 Jan 202216.43 Jan 202216.4
AT2022ag?15:39:15.65-12:01:28.72 Jan 2022Gaia2 Jan 202216.92 Jan 202216.9
AT2022bo2MFGC 03454?04:15:15.82-50:47:25.02 Jan 2022ASAS-SN2 Jan 202217.92 Jan 202217.9
AT2022aculens?08:46:11.12-47:28:13.61 Jan 2022Gaia1 Jan 202213.41 Jan 202213.4
2022DIa10:55:55.56+00:25:01.31 Jan 2022ATLAS1 Jan 202217.31 Jan 202217.3
2022CLEDA 103628II10:17:53.78-11:40:37.81 Jan 2022ATLAS1 Jan 202217.41 Jan 202217.4
2022BUGC 5528Ia10:14:38.51-00:49:32.21 Jan 2022ATLAS1 Jan 202217.61 Jan 202217.6
2021ahoeIa13:14:18.37-33:05:12.331 Dec 2021Gaia31 Dec 202117.731 Dec 202117.7
2021ahmzCGCG 009-083Ia10:34:50.66+00:40:34.731 Dec 2021ASAS-SN31 Dec 202117.131 Dec 202117.1
2021ahotLEDA 2156782Ia16:26:36.66+39:51:31.130 Dec 2021ASAS-SN9 Jan 202216.79 Jan 202216.7
2021agrtIa10:05:36.21+14:33:37.429 Dec 2021ASAS-SN29 Dec 202117.629 Dec 202117.6
2021agvdIa06:02:17.22-49:40:56.529 Dec 2021ASAS-SN29 Dec 202117.529 Dec 202117.5
2021agpj2MFGC 03677Ia04:31:03.84-03:24:40.127 Dec 2021ASAS-SN4 Jan 202215.54 Jan 202215.5
2021agpfNGC 5732Ia14:40:37.71+38:37:56.326 Dec 2021ATLAS4 Jan 202214.515 Jan 202214.8
AT2021agrk?16:31:36.21+13:38:14.926 Dec 2021Gaia26 Dec 202117.526 Dec 202117.5
2021agreIa14:47:51.59+01:49:55.626 Dec 2021Gaia26 Dec 202117.126 Dec 202117.1
AT2021agnsCGCG 438-049?02:17:23.81+10:15:55.025 Dec 2021ATLAS25 Dec 202117.325 Dec 202117.3
2021agnfCGCG 175-003Ia-91bg06:31:55.01+35:33:23.723 Dec 2021ATLAS23 Dec 202117.723 Dec 202117.7
2021agmwESO 119-G49Ia05:14:43.53-61:11:22.223 Dec 2021ASAS-SN23 Dec 202117.023 Dec 202117.0
AT2021agmvESO 28-G1?23:43:19.46-72:34:13.823 Dec 2021ASAS-SN23 Dec 202116.523 Dec 202116.5
AT2021agnb?07:11:50.81-55:38:14.023 Dec 2021MASTER23 Dec 202116.823 Dec 202116.8
2021aglfLEDA 1631594Ia01:30:16.29+20:36:00.921 Dec 2021ATLAS29 Dec 202117.729 Dec 202117.7
2021aglkLEDA 148887Ia06:32:55.40-36:02:04.021 Dec 2021ATLAS21 Dec 202117.31 Jan 202217.4
AT2021ahpaLEDA 900843QSO?02:20:25.01-16:13:43.021 Dec 2021Gaia21 Dec 202117.621 Dec 202117.6
AT2021agkk?14:01:31.53-48:15:35.719 Dec 2021MASTER19 Dec 202115.419 Dec 202115.4
AT2021agkd?13:14:57.25+50:59:06.418 Dec 2021ATLAS18 Dec 202117.518 Dec 202117.5
2021agjdIa00:47:28.56+14:45:10.317 Dec 2021ATLAS17 Dec 202117.517 Dec 202117.5
2021agjmIa14:19:26.93+02:22:16.317 Dec 2021ATLAS25 Dec 202117.625 Dec 202117.6
2021agleESO 414-G25II02:02:10.81-28:38:50.217 Dec 2021ATLAS21 Dec 202117.221 Dec 202117.2
2021agidESO 322-G40II12:38:28.48-40:22:13.315 Dec 2021ATLAS15 Dec 202117.515 Dec 202117.5
2021aghwIa04:40:43.42-36:41:05.114 Dec 2021Gaia14 Dec 202117.814 Dec 202117.8
2021aghcLEDA 167667Ia-91T22:10:38.09+45:49:23.814 Dec 2021ATLAS31 Dec 202117.831 Dec 202117.8
AT2021aghj?22:57:02.18+41:55:19.214 Dec 2021ATLAS14 Dec 202117.814 Dec 202117.8
AT2021aghmLEDA 2215387?04:59:54.44+43:12:27.414 Dec 2021ATLAS14 Dec 202117.914 Dec 202117.9
AT2021aggnESO 203-G16?05:01:57.22-48:39:01.112 Dec 2021MASTER12 Dec 202115.812 Dec 202115.8
2021agguNGC 2761Ia09:07:31.20+18:26:09.712 Dec 2021ATLAS12 Dec 202117.112 Dec 202117.1
2021aggcLEDA 3080450Ia03:21:39.86-06:38:10.612 Dec 2021ATLAS12 Dec 202117.526 Dec 202117.9
AT2021aggkESO 195-G24?01:01:44.42-51:51:46.911 Dec 2021Gaia11 Dec 202116.511 Dec 202116.5
2021ageyIa01:38:21.28-15:48:47.411 Dec 2021ATLAS11 Dec 202117.411 Dec 202117.4
AT2021agfm?04:48:08.57-46:28:34.311 Dec 2021Gaia11 Dec 202117.011 Dec 202117.0
2021agezIa11:13:37.31+57:03:32.210 Dec 2021ATLAS10 Dec 202117.910 Dec 202117.9
AT2021aged?02:41:25.70+23:35:19.89 Dec 2021ATLAS1 Jan 202217.61 Jan 202217.6
2021agecIa02:23:08.51+12:51:58.09 Dec 2021ATLAS9 Dec 202117.69 Dec 202117.6
2021agepIa02:39:10.41+01:08:36.29 Dec 2021ASAS-SN1 Jan 202216.01 Jan 202216.0
2021ageeESO 575-G43Ia12:59:45.92-22:10:23.79 Dec 2021ASAS-SN9 Dec 202116.89 Dec 202116.8
2021agddNGC 7446Ia22:59:28.72+39:04:48.57 Dec 2021DLT407 Dec 202117.87 Dec 202117.8
2021agdmESO 61-G8II09:19:49.50-68:54:32.96 Dec 2021Grzegorz Duszanowicz6 Dec 202116.86 Dec 202116.8
2021agcoUGC 3855II07:28:10.50+58:30:12.85 Dec 2021XOSS5 Dec 202115.55 Dec 202115.5
2021agdkIa06:01:20.60-76:53:12.15 Dec 2021ASAS-SN5 Dec 202117.95 Dec 202117.9
AT2021agcz?21:38:01.36-74:25:18.54 Dec 2021Gaia4 Dec 202117.04 Dec 202117.0
AT2021agdb?07:05:51.78-54:34:18.04 Dec 2021Gaia4 Dec 202117.54 Dec 202117.5
AT2021agct?19:45:14.28+05:24:34.84 Dec 2021Gaia4 Dec 202116.213 Dec 202117.9
AT2021agcx?09:38:27.16+72:54:14.64 Dec 2021Gaia4 Dec 202116.54 Dec 202116.5
AT2021agcf?13:36:21.42-35:06:53.94 Dec 2021ASAS-SN4 Dec 202114.915 Dec 202115.7
2021agbnESO 483-G2II03:57:12.85-25:24:12.23 Dec 2021ATLAS19 Dec 202117.619 Dec 202117.6
AT2021agcu?19:48:13.04+12:08:14.13 Dec 2021Gaia3 Dec 202117.83 Dec 202117.8
AT2021agca?01:57:25.18-35:07:42.83 Dec 2021ATLAS3 Dec 202117.73 Dec 202117.7
2021agceESO 315-G22Ia09:46:28.83-41:29:39.63 Dec 2021ATLAS3 Dec 202117.63 Dec 202117.6
2021agbzIa23:21:33.72-43:13:50.83 Dec 2021ATLAS12 Dec 202117.212 Dec 202117.2
2021afuqNGC 3256Ic10:27:52.15-43:54:07.72 Dec 2021ASAS-SN2 Dec 202116.019 Dec 202116.0
AT2021afvm?11:01:22.49+29:47:22.92 Dec 2021ZTF2 Dec 202117.42 Dec 202117.4
AT2021afzn?14:52:02.45+63:38:45.12 Dec 2021ZTF2 Dec 202117.82 Dec 202117.8
AT2021afyo?14:41:43.09+14:21:17.42 Dec 2021ZTF2 Dec 202117.92 Dec 202117.9
AT2021agcrESO 289-G32?22:31:16.42-46:28:55.81 Dec 2021ASAS-SN1 Dec 202117.51 Dec 202117.5
2021agbkIa09:04:29.66-72:03:56.81 Dec 2021Gaia1 Dec 202117.71 Dec 202117.7
AT2021aftbESO 235-G33?21:00:50.17-48:36:37.630 Nov 2021ASAS-SN30 Nov 202116.530 Nov 202116.5
AT2021afsn?21:01:34.29+29:50:26.329 Nov 2021Gaia29 Nov 202116.029 Nov 202116.0
AT2021afte?07:48:10.25+32:26:18.729 Nov 2021Gaia29 Nov 202117.129 Nov 202117.1
2021afsjUGC 4671Ia08:56:42.42+52:06:28.829 Nov 2021Shuji Tokuoka9 Dec 202114.119 Jan 202216.3
2021afreIa02:47:13.37+13:46:57.829 Nov 2021ASAS-SN29 Nov 202117.929 Nov 202117.9
2021afpsESO 574-G33II12:47:58.84-22:16:13.527 Nov 2021ATLAS27 Nov 202116.927 Nov 202116.9
AT2021afqy?06:37:25.72+17:33:33.727 Nov 2021XOSS27 Nov 202117.227 Nov 202117.2
AT2021afpqESO 342-G8?21:08:40.73-39:52:07.827 Nov 2021ATLAS27 Nov 202117.227 Nov 202117.2
AT2021afog?14:10:46.03+39:00:45.026 Nov 2021ATLAS26 Nov 202117.326 Nov 202117.3
2021afryIIn06:04:23.61-35:36:08.324 Nov 2021ASAS-SN24 Nov 202117.524 Nov 202117.5
AT2021afec?13:24:08.00+12:09:14.423 Nov 2021ATLAS23 Nov 202117.723 Nov 202117.7
AT2021aeyfLEDA 131532?21:10:23.36-37:28:44.321 Nov 2021ATLAS21 Nov 202117.121 Nov 202117.3
AT2021afrn?13:09:36.85-70:50:22.915 Nov 2021Gaia15 Nov 202114.928 Nov 202115.9
AT2021aesi?00:09:00.26+48:13:54.714 Nov 2021Gaia14 Nov 202116.623 Nov 202117.2
2021aeoxUGC 7761Ia12:35:15.43+72:14:01.013 Nov 2021ZTF2 Dec 202115.92 Dec 202115.9
AT2021agdg?00:42:29.02-77:27:42.913 Nov 2021Gaia13 Nov 202114.65 Dec 202116.7
2021aefxNGC 1566Ia04:19:53.40-54:56:53.111 Nov 2021DLT402 Dec 202112.09 Jan 202213.9
2021aecaIa08:18:31.26-14:43:20.49 Nov 2021ZTF1 Dec 202117.91 Dec 202117.9
AT2021adxa?11:01:57.02-68:55:18.18 Nov 2021MASTER8 Nov 202116.329 Nov 202117.6
2021adlwNGC 3813II11:41:17.82+36:32:34.65 Nov 2021ZTF7 Dec 202116.12 Dec 202116.3
2021adlvMCG -1-22-16Ia08:31:03.83-04:11:39.25 Nov 2021ZTF29 Nov 202117.729 Nov 202117.7
2021adozIa08:21:52.53+08:04:53.44 Nov 2021ZTF29 Nov 202117.829 Nov 202117.8
2021adcxCGCG 287-080Ia08:33:53.15+57:32:20.13 Nov 2021ZTF19 Nov 202116.92 Dec 202117.4
2021adlzIa10:30:08.81+12:03:41.03 Nov 2021ZTF12 Nov 202116.72 Dec 202117.8
2021aclvNGC 327Ia00:57:55.37-05:07:54.330 Oct 2021ZTF13 Nov 202115.72 Dec 202117.3
2021acyaIIn04:02:13.76-28:23:29.730 Oct 2021ATLAS18 Dec 202116.518 Dec 202116.5
2021acntESO 434-G23Ia09:41:42.82-28:12:08.926 Oct 2021ATLAS8 Nov 202114.313 Jan 202217.0
2021accxIa23:40:01.56+27:16:37.524 Oct 2021ATLAS11 Nov 202116.62 Dec 202117.5
AT2021abyo?02:34:11.47-61:36:37.022 Oct 2021ASAS-SN2 Nov 202115.59 Dec 202116.9
AT2021abtr?00:48:55.12+80:52:42.516 Oct 2021ZTF30 Nov 202117.630 Nov 202117.6
2021zjuNGC 9Ib00:08:54.25+23:48:60.024 Sep 2021ATLAS4 Dec 202116.24 Dec 202116.2
2021zfrIa03:00:31.54-14:57:20.420 Sep 2021ZTF9 Oct 202116.422 Nov 202117.3
2021yjaNGC 1325II03:24:21.18-21:33:56.28 Sep 2021ATLAS15 Sep 202114.21 Jan 202215.5
2021wufNGC 6500Ia17:56:02.51+18:21:14.123 Aug 2021ATLAS29 Aug 202113.822 Nov 202117.3
 



    Terminology:
            
    magn:       Magnitude (brightness) estimate    
    ra:         Right ascension
    dec:        Declination

Active supernova data as provided by ASRAS (Astronomy Section Rochester Academy of Science).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.