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
AT2020nvw?15:14:19.66+39:55:51.82 Jul 2020ATLAS2 Jul 202017.92 Jul 202017.9
AT2020nvrYSO20:51:24.15+44:17:58.41 Jul 2020Gaia1 Jul 202017.71 Jul 202017.7
2020nvbNGC 4457Ia12:28:58.79+03:34:22.11 Jul 2020Koichi Itagaki1 Jul 202013.01 Jul 202013.0
AT2020nvhNGC 574?01:29:03.65-35:35:48.31 Jul 2020ATLAS1 Jul 202017.41 Jul 202017.4
AT2020nubNGC 808?02:03:56.17-23:18:50.530 Jun 2020ASAS-SN30 Jun 202016.830 Jun 202016.8
AT2020ntj?04:26:49.52-56:47:51.930 Jun 2020MASTER30 Jun 202017.730 Jun 202017.7
AT2020nvi2MFGC 17973?23:56:29.22-35:29:54.530 Jun 2020MASTER30 Jun 202017.630 Jun 202017.6
AT2020nva?02:46:06.54+37:58:21.430 Jun 2020ATLAS30 Jun 202017.930 Jun 202017.9
AT2020nvoMCG +2-8-20?02:51:12.89+13:11:30.930 Jun 2020Gaia30 Jun 202017.030 Jun 202017.0
AT2020ntuIa23:33:17.85-67:42:48.429 Jun 2020MASTER29 Jun 202016.829 Jun 202016.8
AT2020nrl?02:02:23.03+86:21:28.328 Jun 2020ATLAS28 Jun 202017.728 Jun 202017.7
AT2020ntdESO 375-G20?10:24:32.65-36:16:14.728 Jun 2020Gaia28 Jun 202017.228 Jun 202017.2
AT2020nte?19:31:42.05+32:10:20.328 Jun 2020Gaia28 Jun 202017.328 Jun 202017.3
AT2020noeUGC 5567?10:19:06.55+34:39:14.427 Jun 2020ZTF27 Jun 202017.627 Jun 202017.6
AT2020nox?13:13:01.43-27:22:58.827 Jun 2020ZTF27 Jun 202017.929 Jun 202017.9
AT2020nqq?13:25:44.44-43:00:12.827 Jun 2020ATLAS27 Jun 202017.827 Jun 202017.8
AT2020nmvNGC 6127?16:19:11.51+57:59:02.526 Jun 2020ZTF26 Jun 202016.426 Jun 202016.4
AT2020nni?18:08:22.47+17:03:12.926 Jun 2020ASAS-SN26 Jun 202016.926 Jun 202016.9
AT2020nqyESO 500-G34?10:24:31.40-23:33:14.225 Jun 2020MASTER25 Jun 202017.225 Jun 202017.2
AT2020nrb?06:27:13.99-24:39:27.025 Jun 2020Gaia25 Jun 202017.525 Jun 202017.5
2020nlbM85Ia12:25:24.18+18:12:12.525 Jun 2020ATLAS29 Jun 202013.829 Jun 202013.8
AT2020nluMCG -2-11-38?04:18:54.15-14:11:50.524 Jun 2020Gaia24 Jun 202015.124 Jun 202015.1
2020nifNGC 4939II13:04:13.74-10:21:03.624 Jun 2020ZTF24 Jun 202016.124 Jun 202016.1
AT2020njzMCG -2-6-17?02:01:51.01-10:28:11.924 Jun 2020ATLAS24 Jun 202017.224 Jun 202017.2
AT2020niv?16:38:20.65-21:35:29.524 Jun 2020ZTF24 Jun 202017.924 Jun 202017.9
AT2020nkmNGC 3492?11:00:56.81+10:30:18.924 Jun 2020ASAS-SN24 Jun 202017.024 Jun 202017.0
AT2020nla?19:47:46.83-22:54:21.524 Jun 2020ZTF24 Jun 202017.824 Jun 202017.8
AT2020nnn?19:27:03.36-06:49:12.624 Jun 2020GOTO24 Jun 202017.224 Jun 202017.2
AT2020not?22:44:53.60-47:32:23.624 Jun 2020MASTER24 Jun 202016.324 Jun 202016.3
AT2020nku?08:21:04.30-22:30:50.723 Jun 2020Gaia23 Jun 202016.923 Jun 202016.9
AT2020nju?09:51:06.54-00:24:26.723 Jun 2020ASAS-SN23 Jun 202017.123 Jun 202017.1
AT2020nhi?02:24:26.00-51:44:52.523 Jun 2020ASAS-SN23 Jun 202016.723 Jun 202016.7
AT2020njy?17:47:14.39+15:00:47.623 Jun 2020MASTER23 Jun 202017.423 Jun 202017.4
AT2020nru?15:44:26.04-20:16:34.523 Jun 2020ZTF23 Jun 202017.823 Jun 202017.8
AT2020nejNGC 997?02:37:17.57+07:17:36.122 Jun 2020MASTER22 Jun 202017.027 Jun 202017.8
AT2020nit?20:32:50.13+65:57:24.822 Jun 2020ZTF22 Jun 202016.222 Jun 202016.2
AT2020npm?18:39:28.90-58:16:46.322 Jun 2020MASTER22 Jun 202017.322 Jun 202017.3
AT2020nfo?02:31:27.90-13:49:52.621 Jun 2020Gaia21 Jun 202016.721 Jun 202016.7
AT2020nfn?08:22:34.20-18:20:14.821 Jun 2020Gaia21 Jun 202017.821 Jun 202017.8
AT2020nbu?01:55:00.84-04:41:03.720 Jun 2020ASAS-SN20 Jun 202016.920 Jun 202016.9
AT2020nco?00:08:18.98+08:07:16.620 Jun 2020ZTF20 Jun 202017.920 Jun 202017.9
AT2020nes?19:24:52.16+18:47:25.020 Jun 2020Gaia20 Jun 202017.920 Jun 202017.9
AT2020neoLEDA 961034?01:19:31.55-11:50:40.420 Jun 2020Gaia20 Jun 202017.920 Jun 202017.9
AT2020nio?20:11:23.04-05:02:23.220 Jun 2020ZTF20 Jun 202017.920 Jun 202017.9
AT2020ngh?20:18:40.47-18:47:17.820 Jun 2020MASTER20 Jun 202016.020 Jun 202016.0
AT2020naw?03:48:24.51-26:43:08.419 Jun 2020ASAS-SN19 Jun 202017.419 Jun 202017.4
AT2020ncx?09:55:02.14-61:33:25.718 Jun 2020MASTER18 Jun 202015.718 Jun 202015.7
AT2020nbk?05:43:34.44-22:15:55.918 Jun 2020Gaia18 Jun 202017.818 Jun 202017.8
AT2020ngg?15:02:10.42-15:36:11.518 Jun 2020MASTER18 Jun 202017.918 Jun 202017.9
AT2020ndw?19:19:50.77-46:41:32.618 Jun 2020MASTER18 Jun 202016.618 Jun 202016.6
2020mvkESO 444-G75II13:35:45.69-30:52:30.417 Jun 2020ATLAS1 Jul 202016.41 Jul 202016.4
AT2020napUGC 7104?12:07:08.81+16:55:16.217 Jun 2020Gaia17 Jun 202017.617 Jun 202017.6
AT2020mxw?01:12:33.96-27:13:20.716 Jun 2020Gaia16 Jun 202017.816 Jun 202017.8
AT2020mud?06:48:20.44-63:38:48.116 Jun 2020MASTER16 Jun 202016.516 Jun 202016.5
AT2020nbs?21:14:22.54-08:59:39.616 Jun 2020ZTF16 Jun 202017.616 Jun 202017.6
AT2020mwv?10:02:53.19-40:57:53.116 Jun 2020MASTER16 Jun 202015.616 Jun 202015.6
AT2020mwy?09:57:02.28-69:02:35.616 Jun 2020MASTER16 Jun 202016.416 Jun 202016.4
AT2020mwq?19:08:11.81-63:43:31.116 Jun 2020MASTER16 Jun 202016.816 Jun 202016.8
2020mtkIa12:05:47.65-31:46:13.816 Jun 2020ATLAS16 Jun 202016.716 Jun 202016.7
AT2020mxb?17:47:52.98-62:49:00.215 Jun 2020MASTER15 Jun 202015.215 Jun 202015.2
AT2020mww?17:37:32.71-61:38:47.815 Jun 2020MASTER15 Jun 202017.115 Jun 202017.1
AT2020mxa?09:43:22.31+03:39:26.315 Jun 2020MASTER15 Jun 202017.815 Jun 202017.8
2020mosIa00:05:27.46+32:32:05.914 Jun 2020ZTF14 Jun 202016.914 Jun 202016.9
AT2020ndn?19:28:56.03-55:05:46.914 Jun 2020MASTER14 Jun 202015.114 Jun 202015.1
AT2020ngzNGC 3250E?10:29:02.13-40:05:20.614 Jun 2020ASAS-SN29 Jun 202016.329 Jun 202016.3
AT2020mteNGC 619?01:34:55.39-36:30:00.314 Jun 2020Gaia14 Jun 202017.814 Jun 202017.8
AT2020mqn?14:03:56.92-09:56:36.614 Jun 2020MASTER14 Jun 202017.514 Jun 202017.5
AT2020mrb?21:39:54.03+03:32:57.114 Jun 2020PS114 Jun 202017.914 Jun 202017.9
AT2020mov?23:40:25.37+46:18:59.413 Jun 2020ZTF13 Jun 202017.313 Jun 202017.3
AT2020mme?19:11:56.61-52:17:44.613 Jun 2020MASTER13 Jun 202017.613 Jun 202017.6
AT2020mmd?21:31:05.04-40:02:07.213 Jun 2020MASTER13 Jun 202017.913 Jun 202017.9
2020mmzNGC 2814II09:21:11.57+64:15:14.213 Jun 2020ZTF28 Jun 202014.228 Jun 202014.2
2020mfxIa14:37:02.52+23:37:39.312 Jun 2020ZTF18 Jun 202017.818 Jun 202017.8
2020mjmUGC 9299II14:29:29.33-00:01:17.712 Jun 2020ZTF19 Jun 202015.726 Jun 202016.3
AT2020mni?20:00:43.52-34:36:27.112 Jun 2020MASTER12 Jun 202016.812 Jun 202016.8
AT2020mmu?07:03:50.45-15:06:51.912 Jun 2020Gaia12 Jun 202017.712 Jun 202017.7
AT2020mrg?12:31:56.72-22:20:41.211 Jun 2020ATLAS27 Jun 202017.627 Jun 202017.6
AT2020mmp?20:52:06.77+10:26:26.010 Jun 2020ZTF10 Jun 202017.910 Jun 202017.9
AT2020mjg?06:36:43.37-22:31:58.110 Jun 2020Gaia10 Jun 202017.810 Jun 202017.8
AT2020mcp?13:11:55.97-48:28:15.510 Jun 2020MASTER10 Jun 202016.810 Jun 202016.8
2020mbfIa20:23:32.73+19:42:39.99 Jun 2020ATLAS22 Jun 202017.722 Jun 202017.7
2020mccMCG +7-33-19Ia15:57:59.52+40:02:02.39 Jun 2020ZTF12 Jun 202017.112 Jun 202017.1
AT2020lyp?11:08:52.38+60:08:13.58 Jun 2020ATLAS8 Jun 202017.98 Jun 202017.9
AT2020mas?14:37:05.19-48:34:45.38 Jun 2020BraTS8 Jun 202015.55 May 202117.4
AT2020mboPGC 37739?11:59:08.50-53:24:40.88 Jun 2020Duszanowicz8 Jun 202016.98 Jun 202016.9
AT2020mbmESO 238-G9?22:25:31.43-49:24:09.88 Jun 2020Gaia8 Jun 202017.28 Jun 202017.2
AT2020mei?20:47:50.44-23:21:27.88 Jun 2020Gaia8 Jun 202015.88 Jun 202015.8
AT2020meg?05:18:02.25-43:54:13.18 Jun 2020Gaia8 Jun 202017.88 Jun 202017.8
AT2020lwj?15:22:50.44+16:36:21.97 Jun 2020ATLAS21 Jun 202017.921 Jun 202017.9
AT2020lxv?23:24:15.58-32:01:35.27 Jun 2020ATLAS7 Jun 202017.97 Jun 202017.9
AT2020lyf?12:07:08.71+10:02:39.47 Jun 2020MASTER7 Jun 202016.97 Jun 202016.9
2020lwkCGCG 135-044Ia15:19:22.39+20:32:36.67 Jun 2020ATLAS11 Jun 202017.111 Jun 202017.1
2020lxuIa00:36:08.67+25:45:03.57 Jun 2020ATLAS7 Jun 202017.17 Jun 202017.1
AT2020lud?14:01:00.89-81:38:24.86 Jun 2020MASTER6 Jun 202016.66 Jun 202016.6
AT2020lsd?19:37:00.57+58:47:21.75 Jun 2020ZTF5 Jun 202017.65 Jun 202017.6
AT2020lsp?16:28:33.34+69:41:36.55 Jun 2020ZTF5 Jun 202016.25 Jun 202016.2
AT2020lsq?09:36:42.38+38:10:53.75 Jun 2020ZTF5 Jun 202017.35 Jun 202017.3
2020lyoIC 2759Ia11:22:13.30+24:19:02.45 Jun 2020ASAS-SN5 Jun 202016.35 Jun 202016.3
2020lscUGC 10287Ia16:14:03.75+14:16:57.65 Jun 2020ZTF11 Jun 202016.424 Jun 202016.7
2020lseESO 501-G75Ia10:41:02.20-27:05:00.45 Jun 2020ATLAS26 Jun 202015.026 Jun 202015.0
AT2020lrw?11:43:16.02-05:57:55.64 Jun 2020MASTER4 Jun 202017.44 Jun 202017.4
AT2020lqdLEDA 60188?17:23:25.03+32:24:33.92 Jun 2020GSNST2 Jun 202017.02 Jun 202017.0
AT2020lnn?11:35:04.26+33:15:25.21 Jun 2020MASTER1 Jun 202017.71 Jun 202017.7
AT2020lnh?20:17:11.79-57:14:36.91 Jun 2020MASTER1 Jun 202017.61 Jun 202017.6
AT2020lnk?22:42:16.05-25:57:31.61 Jun 2020ATLAS13 Jun 202017.913 Jun 202017.9
AT2020lof?07:56:10.75-02:21:18.331 May 2020Gaia31 May 202015.931 May 202015.9
2020llxNGC 7140II21:52:14.01-55:33:44.831 May 2020ASAS-SN31 May 202015.031 May 202015.0
AT2020lns?08:58:38.77-68:01:07.230 May 2020Gaia30 May 202017.930 May 202017.9
AT2020lkj?21:17:04.34+28:03:46.630 May 2020ATLAS30 May 202016.230 May 202016.2
AT2020lkbNGC 582?01:31:55.09+33:28:20.430 May 2020Koichi Itagaki31 May 202016.931 May 202016.9
AT2020lml?19:52:09.04+04:54:15.829 May 2020ZTF29 May 202017.529 May 202017.5
AT2020lidMCG -1-2-1?00:20:00.78-06:20:04.429 May 2020ATLAS29 May 202017.729 May 202017.7
2020lilIa14:37:59.67+09:23:18.829 May 2020ZTF22 Jun 202017.822 Jun 202017.8
AT2020lgtMRK 0344?00:38:32.10+23:36:48.128 May 2020ASAS-SN28 May 202017.228 May 202017.2
AT2020lgs?21:40:25.43-14:15:12.628 May 2020ASAS-SN28 May 202017.928 May 202017.9
AT2020lhc?21:09:28.93-38:13:27.228 May 2020ATLAS7 Jun 202017.77 Jun 202017.7
AT2020liy?17:00:57.62+22:10:43.127 May 2020ZTF27 May 202017.727 May 202017.7
AT2020lmc?13:56:21.70-68:26:25.527 May 2020MASTER27 May 202016.927 May 202016.9
AT2020nbt?09:07:26.62-16:29:11.526 May 2020ASAS-SN19 Jun 202017.319 Jun 202017.3
AT2020liv?18:51:49.37+30:25:34.126 May 2020ZTF26 May 202017.126 May 202017.1
AT2020ler?18:24:34.14+09:45:48.926 May 2020PIKA26 May 202017.226 May 202017.2
2020laoCGCG 169-041Ic-BL17:06:54.61+30:16:17.325 May 2020ZTF14 Jun 202017.914 Jun 202017.9
2020kyxCGCG 137-064Ia16:13:45.54+22:55:14.424 May 2020ZTF19 Jun 202017.219 Jun 202017.2
AT2020kymAfterglow14:12:10.33+60:54:19.024 May 2020ZTF24 May 202017.424 May 202017.4
AT2020kup?08:42:42.15-05:32:18.223 May 2020ATLAS23 May 202017.726 May 202017.9
AT2020kue?17:08:55.21-05:21:48.423 May 2020ZTF23 May 202017.823 May 202017.8
AT2020lbd?19:10:07.43+35:56:38.222 May 2020ZTF22 May 202016.227 May 202017.1
AT2020krp?18:25:14.20+37:10:24.221 May 2020ATLAS21 May 202017.821 May 202017.8
AT2020kwy?19:11:08.53-02:56:48.921 May 2020MASTER21 May 202014.421 May 202014.4
AT2020kvr?18:51:08.87+06:06:51.021 May 2020MASTER21 May 202016.521 May 202016.5
AT2020kve?18:07:31.38+03:16:15.321 May 2020MASTER21 May 202017.021 May 202017.0
AT2020kuc?18:15:23.14+04:15:48.620 May 2020MASTER20 May 202017.220 May 202017.2
AT2020kok?19:42:30.94+07:25:37.120 May 2020MASTER20 May 202017.820 May 202017.8
AT2020kqi?01:24:27.73+57:57:25.420 May 2020Gaia20 May 202016.920 May 202016.9
AT2020kln?19:27:56.84-36:48:42.018 May 2020ATLAS18 May 202017.818 May 202017.8
AT2020kliESO 287-G37?21:34:39.49-44:20:12.218 May 2020ATLAS15 Apr 202115.115 Apr 202115.1
AT2020khz?19:30:31.36-13:56:22.718 May 2020ZTF18 May 202016.918 May 202016.9
AT2020ldn?16:00:31.36-20:27:06.218 May 2020ZTF18 May 202017.418 May 202017.4
AT2020kfm?17:00:18.97-60:38:15.317 May 2020MASTER17 May 202016.317 May 202016.3
AT2020kea?13:29:23.12-40:24:19.317 May 2020MASTER17 May 202017.617 May 202017.6
AT2020khy?11:14:39.67-02:47:31.717 May 2020Gaia17 May 202017.717 May 202017.7
AT2020kil?08:19:35.95+03:32:59.317 May 2020ATLAS28 May 202016.928 May 202016.9
AT2020mic?17:35:00.45+25:36:54.917 May 2020PS117 May 202016.217 May 202016.2
AT2020khh?13:52:11.97-64:17:38.016 May 2020Gaia16 May 202016.123 May 202017.0
AT2020khr?23:21:49.41+03:49:41.716 May 2020Gaia16 May 202017.216 May 202017.2
AT2020khf?00:22:23.30+40:00:14.315 May 2020Gaia15 May 202017.215 May 202017.2
AT2020kfo?20:52:44.73-68:51:56.915 May 2020Gaia15 May 202017.515 May 202017.5
AT2020kbj?18:32:21.41-74:26:26.214 May 2020MASTER14 May 202016.014 May 202016.0
AT2020kbn?09:06:03.28-57:39:27.214 May 2020MASTER14 May 202016.314 May 202016.3
AT2020kacESO 407-G3?23:05:18.47-34:27:09.614 May 2020Gaia14 May 202017.414 May 202017.4
AT2020knyESO 24-IG15 NED01?18:23:06.42-77:43:18.414 May 2020ASAS-SN19 May 202017.219 May 202017.2
AT2020jvvESO 203-G2?04:47:07.03-50:03:01.613 May 2020ASAS-SN13 May 202016.08 Jun 202017.0
AT2020jvsNGC 642?01:39:06.32-29:55:19.613 May 2020Stu Parker13 May 202015.916 Jun 202017.4
AT2020jvy?13:04:46.93-51:00:49.513 May 2020MASTER13 May 202017.713 May 202017.7
2020jshIC 564Ia09:46:21.43+03:04:23.812 May 2020ZTF22 May 202016.322 May 202016.3
AT2020juhESO 97-G13?14:13:21.06-65:20:28.712 May 2020DLT4016 May 202017.316 May 202017.3
AT2020jvp?12:21:49.75-59:42:48.912 May 2020Gaia12 May 202017.312 May 202017.3
2020jnyLEDA 1615841Ia12:02:58.50+20:05:07.611 May 2020ZTF28 May 202016.29 Jun 202017.5
2020jolIa10:27:21.16+00:25:19.811 May 2020ATLAS11 May 202015.420 May 202016.4
AT2020jsv?23:47:16.00+64:29:50.310 May 2020Gaia10 May 202014.326 May 202016.6
AT2020jly?21:20:04.66-20:52:41.910 May 2020MASTER10 May 202017.310 May 202017.3
AT2020lbe?15:22:11.33+24:44:12.710 May 2020ZTF10 May 202015.625 May 202017.6
AT2020jstLEDA 142004?00:46:14.01-56:08:35.59 May 2020Gaia9 May 202017.89 May 202017.8
AT2020lcp?11:25:06.85-56:20:48.59 May 2020Gaia9 May 202017.19 May 202017.1
AT2020jlh?13:42:24.87-44:59:50.19 May 2020MASTER9 May 202017.79 May 202017.7
AT2020jjc?14:18:27.95-11:22:41.89 May 2020ZTF9 May 202017.59 May 202017.5
AT2020jkt?11:13:02.06-56:29:58.49 May 2020Gaia9 May 202017.79 May 202017.7
2020jhfUGC 8325Ia13:14:53.43+27:00:31.18 May 2020ATLAS28 May 202014.95 Jun 202015.4
AT2020jkoESO 36-G10?08:52:48.01-73:37:16.78 May 2020Gaia8 May 202016.28 May 202016.2
AT2020jkq?00:48:13.74-39:44:17.88 May 2020Gaia8 May 202016.48 May 202016.4
2020jojSN20:33:37.49+15:46:23.28 May 2020ZTF8 May 202016.38 May 202016.3
AT2020mveMCG -5-2-35?00:40:52.70-30:27:45.08 May 2020Gaia8 May 202017.78 May 202017.7
AT2020jia?22:28:43.50+54:01:46.07 May 2020Gaia7 May 202017.67 May 202017.6
AT2020jkf?21:11:07.27-20:15:00.57 May 2020ATLAS7 May 202017.57 May 202017.5
2020jfoM61IIP12:21:50.48+04:28:54.16 May 2020ZTF10 May 202014.326 Jun 202015.2
AT2020jeu?10:27:50.87+02:36:34.15 May 2020PS15 May 202017.85 May 202017.8
2020jeeCGCG 097-064Ia11:42:14.70+20:05:51.15 May 2020ZTF28 May 202015.611 Jun 202016.9
2020jfvIIb23:06:35.75+00:36:43.65 May 2020ATLAS5 May 202017.85 May 202017.8
AT2020ltxLEDA 146698?04:55:50.18-61:45:14.04 May 2020Gaia4 May 202016.64 May 202016.6
AT2020jduNGC 7549?23:15:17.45+19:02:22.54 May 2020ATLAS4 May 202017.54 May 202017.5
AT2020jegESO 437-G14?10:36:55.84-32:20:40.14 May 2020Gaia4 May 202016.423 May 202017.0
AT2020ize?13:58:31.25-19:05:25.13 May 2020ZTF3 May 202017.33 May 202017.3
AT2020jfh?08:13:45.12+03:37:21.23 May 2020ZTF3 May 202017.33 May 202017.3
AT2020khw?19:27:33.07-16:41:09.73 May 2020ZTF3 May 202017.43 May 202017.4
AT2020mmhLEDA 540131?02:11:20.78-44:10:03.23 May 2020Gaia3 May 202017.93 May 202017.9
AT2020jiz?19:46:34.19-36:21:18.52 May 2020ATLAS2 May 202017.22 May 202017.2
AT2020jja?19:49:05.13-20:55:48.42 May 2020ATLAS2 May 202017.82 May 202017.8
AT2020izcIC 1528?00:05:02.49-07:06:02.62 May 2020MASTER2 May 202017.03 May 202017.5
2020iicIbn11:44:57.41-02:30:26.226 Apr 2020PMO-Tsinghua Supernova Survey (PTSS)26 Apr 202017.33 May 202017.9
AT2020jfw?00:12:39.27-27:15:30.923 Apr 2020ASAS-SN6 May 202016.16 May 202016.1
2020hvfNGC 3643Ia11:21:26.45+03:00:52.921 Apr 2020ATLAS10 May 202012.426 Jun 202014.5
2020hvqUGC 10561Ia16:46:34.85+62:49:36.821 Apr 2020ATLAS5 May 202015.914 May 202016.6
2020hvpNGC 6118Ib16:21:45.40-02:17:21.321 Apr 2020ATLAS4 May 202014.618 Jun 202015.9
AT2020haxESO 400-G23?20:27:11.31-37:09:50.912 Apr 2020ATLAS15 Apr 202014.74 Jun 202015.4
2020gpeNGC 6214II16:39:32.19+66:02:12.612 Apr 2020Italian Supernovae Search Project12 Apr 202016.25 May 202017.4
2020ftlNGC 4277Ia12:20:03.77+05:20:36.02 Apr 2020CRTS17 Apr 202013.811 Jun 202016.8
2020fqvNGC 4568IIb12:36:33.26+11:13:54.031 Mar 2020ZTF15 Apr 202015.226 Jun 202016.6
2020dxaMRK 0492Ia15:58:43.09+26:49:09.73 Mar 2020ATLAS17 Mar 202014.730 May 202017.2
2020dpwNGC 6952II20:37:10.72+66:06:12.826 Feb 2020Patrick Wiggins8 Mar 202016.112 Jun 202016.8
2020cuiIIn11:22:19.65-07:34:47.19 Feb 2020ZTF5 Mar 202016.030 May 202016.4
AT2020laf?07:54:07.31+09:23:17.51 Feb 2020ATLAS31 May 202017.431 May 202017.4
2020azeNGC 3318II10:37:15.34-41:37:29.626 Jan 2020DLT4019 Feb 202016.424 May 202017.9
2020ueNGC 4636Ia12:42:46.76+02:39:34.312 Jan 2020Koichi Itagaki30 Jan 202011.87 May 202016.3
2020oiM100Ic12:22:54.93+15:49:25.17 Jan 2020ZTF14 Jan 202013.28 May 202017.7
AT2016bluNGC 4559LBV12:35:52.30+27:55:55.911 Jan 2012LOSS11 Jan 201216.724 May 202016.8



    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.