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
AT2018fcy?17:28:29.90-20:22:56.514 Aug 2018Gaia14 Aug 201817.314 Aug 201817.3
AT2018fcw?00:50:55.08-07:46:01.014 Aug 2018ASAS-SN14 Aug 201817.614 Aug 201817.6
AT2018fdn?17:44:15.19-25:15:40.614 Aug 2018Gaia14 Aug 201813.414 Aug 201813.4
AT2018fdmBL02:10:46.20-51:01:01.914 Aug 2018Gaia14 Aug 201814.714 Aug 201814.7
AT2018fdk?16:58:41.91-03:14:16.914 Aug 2018Gaia14 Aug 201817.214 Aug 201817.2
AT2018fdo?17:40:41.40-22:55:26.214 Aug 2018Gaia14 Aug 201817.414 Aug 201817.4
AT2018fdf?04:42:30.23+00:11:39.114 Aug 2018Gaia14 Aug 201817.814 Aug 201817.8
AT2018fauNGC 7428MP22:57:20.01-01:02:45.813 Aug 2018Koichi Itagaki13 Aug 201817.213 Aug 201817.2
AT2018faw?16:44:57.81-58:24:49.613 Aug 2018BraTS13 Aug 201817.813 Aug 201817.8
AT2018fcu?04:17:54.69-49:54:28.513 Aug 2018ASAS-SN13 Aug 201817.713 Aug 201817.7
AT2018fci?18:24:27.12-58:45:08.613 Aug 2018ASAS-SN13 Aug 201817.513 Aug 201817.5
AT2018fcrAGN16:16:42.76+04:12:28.313 Aug 2018Gaia13 Aug 201815.613 Aug 201815.6
AT2018fcz?17:42:38.85-27:54:37.513 Aug 2018Gaia13 Aug 201816.313 Aug 201816.3
AT2018fca?01:38:41.47-50:24:05.412 Aug 2018Gaia12 Aug 201817.512 Aug 201817.5
AT2018fdc?19:01:21.34+47:17:03.412 Aug 2018ZTF12 Aug 201816.512 Aug 201816.5
AT2018fbi?23:59:24.26+45:54:06.912 Aug 2018ATLAS12 Aug 201817.612 Aug 201817.6
AT2018fay?07:17:19.26+52:18:23.712 Aug 2018Gaia12 Aug 201817.212 Aug 201817.2
AT2018ezxNGC 1516B?04:08:08.09-08:49:59.512 Aug 2018ASAS-SN12 Aug 201817.212 Aug 201817.2
AT2018fba?18:15:22.98-43:48:34.312 Aug 2018Gaia12 Aug 201817.912 Aug 201817.9
2018excIa21:00:08.02-40:21:30.911 Aug 2018ATLAS11 Aug 201817.911 Aug 201817.9
AT2018fan?17:10:35.79-31:44:32.511 Aug 2018Gaia11 Aug 201816.811 Aug 201816.8
2018evwIC 1370Ia21:15:14.40+02:11:34.411 Aug 2018ASAS-SN11 Aug 201817.611 Aug 201817.6
AT2018fap?03:02:46.33-19:24:25.311 Aug 2018Gaia11 Aug 201817.811 Aug 201817.8
AT2018fal?06:31:28.38+49:11:52.311 Aug 2018Gaia11 Aug 201817.911 Aug 201817.9
2018evtMCG -1-35-11Ia-91T13:46:39.32-09:38:36.611 Aug 2018ASAS-SN11 Aug 201816.511 Aug 201816.5
2018evyNGC 6627II18:22:38.17+15:41:47.711 Aug 2018ATLAS14 Aug 201816.414 Aug 201816.4
MASTER OT J023059.78-172027.1?02:30:59.78-17:20:27.111 Aug 2018MASTER11 Aug 201817.511 Aug 201817.5
AT2018evx?18:01:50.30-52:17:22.311 Aug 2018BraTS11 Aug 201817.111 Aug 201817.1
AT2018evv?13:37:39.11-29:08:06.011 Aug 2018ASAS-SN11 Aug 201817.311 Aug 201817.3
2018exbIa21:13:08.54-20:42:38.911 Aug 2018ATLAS11 Aug 201817.711 Aug 201817.7
MASTER OT J015031.44+161329.3?01:50:31.44+16:13:29.310 Aug 2018MASTER10 Aug 201817.510 Aug 201817.5
AT2018exq?17:13:48.47-37:37:23.310 Aug 2018Gaia10 Aug 201817.610 Aug 201817.6
AT2018exr?16:56:48.41-30:05:20.410 Aug 2018Gaia10 Aug 201817.710 Aug 201817.7
AT2018evn?18:00:53.73-51:54:51.910 Aug 2018BraTS10 Aug 201817.810 Aug 201817.8
AT2018evm?17:39:52.25-50:11:40.410 Aug 2018BraTS10 Aug 201817.810 Aug 201817.8
AT2018faj?17:18:16.70-38:28:30.810 Aug 2018Gaia10 Aug 201817.710 Aug 201817.7
MASTER OT J030831.72-161514.1PGC 900542?03:08:31.72-16:15:14.19 Aug 2018MASTER9 Aug 201817.59 Aug 201817.5
2018evoIa21:48:38.42-43:22:48.19 Aug 2018ASAS-SN9 Aug 201817.89 Aug 201817.8
2018etmIa16:14:20.68+03:13:55.18 Aug 2018ATLAS12 Aug 201817.312 Aug 201817.3
2018euiMCG -3-9-10Ia03:13:33.30-15:15:19.28 Aug 2018ASAS-SN8 Aug 201816.711 Aug 201816.8
2018etjMCG +10-20-70Ia14:04:23.17+60:01:27.78 Aug 2018ATLAS8 Aug 201817.98 Aug 201817.9
2018exvIa23:33:57.44-26:26:49.37 Aug 2018ATLAS7 Aug 201817.97 Aug 201817.9
AT2018eujPGC 360700?19:52:29.82-60:45:51.47 Aug 2018ASAS-SN8 Aug 201817.18 Aug 201817.1
AT2018etc?04:01:08.65+35:02:51.66 Aug 2018Gaia6 Aug 201817.86 Aug 201817.8
2018eroIa20:08:41.22+03:16:17.66 Aug 2018ATLAS6 Aug 201817.96 Aug 201817.9
AT2018fac?18:15:33.42+24:20:35.26 Aug 2018ZTF6 Aug 201817.76 Aug 201817.7
AT2018epqESO 194-G24?00:31:26.26-49:35:23.65 Aug 2018ASAS-SN5 Aug 201816.69 Aug 201816.7
2018epxIa23:29:53.22+27:22:40.95 Aug 2018ATLAS10 Aug 201816.310 Aug 201816.3
AT2018eua?19:10:41.98-26:46:57.64 Aug 2018ZTF4 Aug 201817.74 Aug 201817.7
2018epfI16:50:31.70+43:03:27.24 Aug 2018ATLAS4 Aug 201814.94 Aug 201814.9
2018ephII04:55:50.16-61:45:24.04 Aug 2018ASAS-SN4 Aug 201816.74 Aug 201816.7
AT2018eri?14:08:56.48-07:52:26.74 Aug 2018Gaia4 Aug 201817.24 Aug 201817.2
AT2018epc?15:37:10.41-36:32:43.33 Aug 2018ATLAS3 Aug 201817.73 Aug 201817.7
AT2018eor?21:12:17.34-65:07:40.33 Aug 2018Gaia3 Aug 201817.93 Aug 201817.9
2018eoeMCG +3-57-2Ib22:24:24.36+18:04:18.83 Aug 2018ATLAS6 Aug 201817.36 Aug 201817.3
2018eqqUGC 2536Ia03:06:55.16+41:30:32.93 Aug 2018Gaia6 Aug 201813.88 Aug 201814.8
2018eodIa20:53:19.67-33:25:24.93 Aug 2018ATLAS3 Aug 201817.73 Aug 201817.7
2018enjNGC 6851BIa20:05:41.06-47:58:41.32 Aug 2018ASAS-SN2 Aug 201816.74 Aug 201816.8
2018eogII20:28:11.97-03:08:13.52 Aug 2018PMO-Tsinghua Supernova Survey (PTSS)9 Aug 201817.19 Aug 201817.1
2018enbNGC 7101Ia21:39:34.57+08:52:47.32 Aug 2018Koichi Itagaki2 Aug 201816.710 Aug 201817.1
2018eov2MFGC 13057Ia16:15:17.43-61:07:53.52 Aug 2018Gaia2 Aug 201816.02 Aug 201816.0
2018encIa15:19:28.63-09:52:50.02 Aug 2018ATLAS2 Aug 201817.32 Aug 201817.3
AT2018end?20:51:32.72-46:11:31.12 Aug 2018ASAS-SN2 Aug 201817.19 Aug 201817.8
AT2018ena?19:12:39.80-66:32:27.32 Aug 2018ASAS-SN2 Aug 201817.22 Aug 201817.2
AT2018env?16:16:32.55-63:33:24.91 Aug 2018Gaia1 Aug 201817.21 Aug 201817.2
AT2018emtII22:10:35.52-27:15:00.61 Aug 2018ASAS-SN10 Aug 201816.510 Aug 201816.5
AT2018esb?13:09:29.35+68:32:45.11 Aug 2018ZTF1 Aug 201817.91 Aug 201817.9
2018emlIa15:46:07.11+29:44:00.531 Jul 2018ZTF14 Aug 201816.714 Aug 201816.7
AT2018ehq?20:14:02.13+67:14:47.529 Jul 2018ATLAS30 Jul 201817.830 Jul 201817.8
2018efmIa13:32:50.51+07:18:39.328 Jul 2018ATLAS3 Aug 201815.84 Aug 201816.7
AT2018ehj?13:08:12.82-63:25:25.827 Jul 2018Gaia27 Jul 201817.727 Jul 201817.7
2018efnCGCG 076-016Ia-91bg14:45:09.72+09:16:25.626 Jul 2018ATLAS26 Jul 201817.726 Jul 201817.7
AT2018eer?11:30:56.53-61:07:08.325 Jul 2018Gaia25 Jul 201817.525 Jul 201817.5
AT2018eeg?11:17:23.60-52:57:34.224 Jul 2018Gaia24 Jul 201817.924 Jul 201817.9
2018eddIC 1068Ia14:53:32.29+03:04:13.923 Jul 2018ATLAS30 Jul 201816.38 Aug 201817.6
2018ecfESO 384-G53II14:06:34.40-34:18:03.823 Jul 2018Greg Bock23 Jul 201816.51 Aug 201817.0
AT2018ebv?02:04:06.81-17:43:25.022 Jul 2018ASAS-SN22 Jul 201817.822 Jul 201817.8
2018ebwIa02:41:16.37+20:30:16.422 Jul 2018ASAS-SN22 Jul 201816.424 Jul 201816.7
2018ebxIa00:55:26.32-74:18:39.722 Jul 2018ASAS-SN23 Jul 201816.625 Jul 201817.4
AT2018edf?09:08:53.99-66:10:55.121 Jul 2018Gaia21 Jul 201817.421 Jul 201817.4
2018ebjIa03:53:06.64-45:10:51.820 Jul 2018ASAS-SN20 Jul 201817.124 Jul 201817.4
2018ebtIc-BL20:41:54.99+64:12:52.720 Jul 2018ATLAS23 Jul 201815.010 Aug 201816.0
AT2018edc?17:44:36.89+08:46:38.019 Jul 2018ATLAS19 Jul 201817.719 Jul 201817.7
AT2018eoh?23:31:26.78+47:36:52.519 Jul 2018ATLAS19 Jul 201816.419 Jul 201816.4
AT2018dztESO 236-IG15Ia21:27:52.88-51:19:56.817 Jul 2018ASAS-SN17 Jul 201817.424 Jul 201817.6
2018dyzIa15:10:40.48+08:34:27.816 Jul 2018ATLAS31 Jul 201816.431 Jul 201816.4
2018ebsIa21:39:37.62+08:56:39.816 Jul 2018ATLAS10 Aug 201816.910 Aug 201816.9
2018dzcUGC 11216II18:23:09.27+21:14:56.515 Jul 2018PMO-Tsinghua Supernova Survey (PTSS)17 Jul 201816.931 Jul 201817.5
2018eayIC 1286Ia-91T18:16:13.08+55:35:27.215 Jul 2018ATLAS31 Jul 201816.012 Aug 201816.8
2018dysIc12:55:10.14-05:34:07.815 Jul 2018ASAS-SN15 Jul 201817.416 Jul 201817.7
AT2018dyvIIn19:43:17.28-54:34:14.514 Jul 2018ASAS-SN13 Aug 201817.213 Aug 201817.2
AT2018dyaLMC?05:41:46.46-71:48:37.513 Jul 2018ASAS-SN18 Jun 201910.718 Jun 201910.7
2018dsvCGCG 198-017Ia17:11:13.49+38:35:26.013 Jul 2018ATLAS25 Jul 201816.125 Jul 201816.1
2018djdNGC 863Ia02:14:33.99-00:45:55.612 Jul 2018ASAS-SN14 Jul 201815.414 Jul 201815.4
2018dhtCGCG 374-027II20:55:19.05+00:32:19.111 Jul 2018PMO-Tsinghua Supernova Survey (PTSS)14 Jul 201817.414 Jul 201817.4
2018dfhESO 553-G19II05:11:33.41-21:16:10.510 Jul 2018ASAS-SN10 Jul 201816.310 Jul 201816.3
2018dfyUGC 11801IIn21:43:32.91+43:32:58.210 Jul 2018LOSS25 Jul 201817.125 Jul 201817.1
AT2018dgv?15:21:25.38-36:50:25.410 Jul 2018ATLAS10 Jul 201817.810 Jul 201817.8
2018dfgNGC 5468IIb14:06:34.70-05:27:02.910 Jul 2018Stu Parker5 Aug 201815.95 Aug 201815.9
2018dhwIa18:59:57.52+72:16:02.29 Jul 2018ATLAS21 Jul 201816.72 Aug 201817.6
AT2018edr?11:20:13.07+03:02:28.68 Jul 2018Gaia8 Jul 201817.18 Jul 201817.1
2018dfiUGC 10586II16:50:50.14+45:23:52.18 Jul 2018Tim Puckett et al.19 Jul 201817.919 Jul 201817.9
2018ddxII22:04:59.92-56:04:57.37 Jul 2018ASAS-SN18 Jul 201816.88 Aug 201817.9
AT2018dyn?18:33:07.76+06:57:01.06 Jul 2018ZTF6 Jul 201817.36 Jul 201817.3
2018ddbIC 5380Ia00:02:49.71-66:11:06.15 Jul 2018ASAS-SN12 Jul 201816.623 Jul 201817.3
2018ddaESO 532-G21Ia22:08:14.15-25:03:41.64 Jul 2018ASAS-SN11 Jul 201815.27 Aug 201816.2
2018dcwUGC 8440II13:25:37.14+36:23:04.14 Jul 2018ATLAS13 Jul 201816.913 Jul 201816.9
2018ddiIa03:39:35.09-06:19:30.32 Jul 2018ASAS-SN2 Jul 201815.92 Jul 201815.9
AT2018dck?14:43:16.54-01:02:22.31 Jul 2018Gaia1 Jul 201817.71 Jul 201817.7
2018ddhCGCG 244-002Ia12:18:44.04+44:46:55.11 Jul 2018ZTF18 Jul 201817.118 Jul 201817.1
AT2018ees?23:40:45.63+27:40:13.830 Jun 2018Gaia30 Jun 201817.730 Jun 201817.7
AT2018dau?05:55:17.33-20:52:10.330 Jun 2018Gaia30 Jun 201817.830 Jun 201817.8
AT2018cwy?00:29:26.80+03:49:24.629 Jun 2018ATLAS29 Jun 201817.929 Jun 201817.9
2018cxmIa14:53:58.33+26:00:07.128 Jun 2018ZTF8 Jul 201817.58 Jul 201817.5
2018dbgIC 4397Ib/c14:17:58.86+26:24:44.628 Jun 2018ZTF9 Jul 201817.59 Jul 201817.5
2018cwaIIP12:42:43.88+34:06:26.127 Jun 2018ATLAS30 Jun 201816.213 Jul 201817.1
2018cvnESO 476-G16IIn01:30:27.12-26:47:06.026 Jun 2018ASAS-SN10 Jul 201816.410 Jul 201816.4
AT2018cxg?05:48:26.24-31:56:46.425 Jun 2018Gaia25 Jun 201817.925 Jun 201817.9
AT2018cwvMCG -3-13-7?04:46:53.53-20:18:10.725 Jun 2018Gaia25 Jun 201816.725 Jun 201816.7
2018cuwIa18:46:14.38+35:58:07.324 Jun 2018ATLAS26 Jun 201817.331 Jul 201817.3
2018cvwIa15:57:02.31+37:25:01.824 Jun 2018ZTF10 Jul 201816.810 Jul 201816.8
2018cupUGC 7754II12:35:22.97+29:29:31.824 Jun 2018ATLAS12 Jul 201817.512 Jul 201817.5
2018cvxIa12:51:27.49+20:36:23.323 Jun 2018ZTF9 Jul 201817.99 Jul 201817.9
AT2018cui?17:36:15.00+06:12:53.423 Jun 2018ATLAS23 Jun 201817.423 Jun 201817.4
AT2018cufIC 5092II21:16:11.57-64:28:57.323 Jun 2018DLT403 Aug 201816.93 Aug 201816.9
AT2018det?04:18:29.71-26:08:40.622 Jun 2018Gaia22 Jun 201817.522 Jun 201817.5
AT2018cwm?03:55:12.70-17:17:49.822 Jun 2018Gaia22 Jun 201817.522 Jun 201817.5
AT2018cuhESO 385-G45?14:34:18.28-37:28:44.722 Jun 2018ATLAS1 Aug 201816.31 Aug 201816.3
2018curNGC 4868IIP12:59:09.13+37:19:00.122 Jun 2018ATLAS1 Jul 201816.413 Jul 201816.9
2018ctcUGC 9155aIa14:18:18.02+28:58:23.921 Jun 2018CRTS9 Jul 201817.89 Jul 201817.8
2018ctwESO 297-G36Ib-pec01:57:57.68-38:01:14.821 Jun 2018Stu Parker21 Jun 201817.421 Jun 201817.4
AT2018cso?09:15:25.56+21:40:10.620 Jun 2018ATLAS20 Jun 201817.020 Jun 201817.0
AT2018csn?12:55:37.75+14:31:38.120 Jun 2018ATLAS20 Jun 201817.620 Jun 201817.6
AT2018csz?03:30:23.53-22:11:12.819 Jun 2018Gaia19 Jun 201817.619 Jun 201817.6
AT2018csyGH 8-10?05:11:11.05-64:01:05.719 Jun 2018Gaia19 Jun 201817.919 Jun 201817.9
AT2018ctg?10:44:05.21-69:56:11.319 Jun 2018Gaia19 Jun 201817.819 Jun 201817.8
AT2018ctzNGC 4051?12:03:09.65+44:31:52.319 Jun 2018ZTF19 Jun 201817.219 Jun 201817.2
2018ctbKUG 2158+198BIa22:01:08.09+20:03:04.219 Jun 2018ASAS-SN19 Jun 201816.522 Jul 201817.8
2018ctoIa17:24:32.04+70:22:20.818 Jun 2018ZTF28 Jun 201817.028 Jun 201817.0
AT2018crw?21:05:37.59+29:22:10.018 Jun 2018ATLAS25 Jun 201817.625 Jun 201817.6
2018cqwCGCG 113-034Ia18:17:32.21+19:26:40.518 Jun 2018ASAS-SN18 Jun 201816.818 Jun 201816.8
AT2018dyy?04:00:57.74-55:49:44.918 Jun 2018Gaia18 Jun 201817.318 Jun 201817.3
AT2018cqo?14:52:38.21-14:30:01.417 Jun 2018ATLAS17 Jun 201817.617 Jun 201817.6
AT2018cqx?13:55:49.36-49:46:08.617 Jun 2018Gaia17 Jun 201817.417 Jun 201817.4
AT2018cqz?02:20:07.33+30:00:46.617 Jun 2018Gaia17 Jun 201817.717 Jun 201817.7
AT2018covIa23:49:48.32-14:07:10.817 Jun 2018ASAS-SN17 Jun 201817.417 Jun 201817.4
2018cqiIC 964IIP13:57:40.90+17:30:29.017 Jun 2018ASAS-SN18 Jul 201816.320 Jul 201816.4
AT2018csu?16:09:50.29+72:52:04.617 Jun 2018ATLAS17 Jun 201817.917 Jun 201817.9
AT2018cqh?02:33:46.93-01:01:28.416 Jun 2018Gaia16 Jun 201817.416 Jun 201817.4
AT2018cqgIbc03:21:13.77-57:13:31.316 Jun 2018Gaia16 Jun 201817.416 Jun 201817.4
AT2018cqd?12:05:41.01-79:25:25.316 Jun 2018Gaia16 Jun 201817.616 Jun 201817.6
2018cnwNGC 6279Ia16:59:05.07+47:14:11.115 Jun 2018ZTF14 Jul 201815.930 Jul 201816.8
AT2018cmkUGC 6609Ia11:38:29.66+20:31:43.912 Jun 2018ASAS-SN12 Jun 201817.013 Jul 201817.7
2018cibIa-91T00:59:30.36-52:54:21.44 Jun 2018ASAS-SN4 Jun 201816.618 Jul 201817.1
2018choIC 4IIP00:13:26.52+17:29:19.64 Jun 2018Gaia4 Jun 201817.614 Jul 201817.6
2018cgjESO 268-G47II12:51:06.76-47:39:01.91 Jun 2018ASAS-SN19 Jun 201816.919 Jun 201816.9
AT2018cdcNGC 274II00:51:05.25-07:03:47.31 Jun 2018DLT4014 Jul 201815.914 Jul 201815.9
2018coqII22:55:06.25+11:15:27.631 May 2018ASAS-SN20 Jun 201816.114 Jul 201816.9
2018bwvNGC 322Ia00:57:09.86-43:43:38.323 May 2018ASAS-SN23 May 201816.215 Jul 201817.7
2018buiKUG 1418+139II14:20:43.44+13:41:42.618 May 2018ASAS-SN15 Jun 201817.220 Jul 201817.2
2018bsrVII Zw 884Ia19:27:38.76+61:56:50.116 May 2018ASAS-SN14 Jul 201816.831 Jul 201816.8
2018cgqMCG +8-2-17IIP00:54:02.54+47:10:50.63 May 2018MASTER3 May 201816.525 Jun 201816.7
2018ayeIa17:57:40.19+50:02:18.921 Apr 2018ASAS-SN2 Jun 201816.92 Jul 201817.9
2018aqhNGC 4090Ia12:05:26.67+20:17:56.85 Apr 2018ATLAS7 Apr 201816.019 Jun 201817.7
2018aozNGC 3923Ia11:51:01.83-28:44:38.62 Apr 2018DLT4012 Apr 201812.717 Jul 201816.7
2018aoqNGC 4151II12:10:38.19+39:23:47.01 Apr 2018LOSS4 May 201814.511 Jul 201815.8
2018zfII19:27:19.48+65:33:54.43 Mar 2018ASAS-SN14 Apr 201814.725 Jun 201817.6



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

Active supernova data as provided by ASRAS (Astronomy Section Rochester Academy of Science)
UCAC4 star catalog and NGC2000 dso catalog via VizieR as provided by the Strasbourg astronomical Data Center.
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.