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
AT2019cbr?05:51:52.62+60:52:43.320 Mar 2019ATLAS20 Mar 201917.520 Mar 201917.5
AT2019cbd?15:11:28.86-24:37:42.819 Mar 2019Gaia19 Mar 201917.919 Mar 201917.9
AT2019bzc?02:58:43.87+06:49:08.118 Mar 2019ATLAS19 Mar 201917.919 Mar 201917.9
AT2019cax?07:59:28.17-14:52:12.518 Mar 2019ZTF18 Mar 201917.118 Mar 201917.1
2019bvtMCG +8-33-46Ia18:28:48.50+50:22:23.217 Mar 2019Tim Puckett et al.17 Mar 201916.817 Mar 201916.8
2019bwmUGC 3561Ia06:51:18.44+49:53:00.917 Mar 2019ZTF17 Mar 201917.717 Mar 201917.7
AT2019bztQSO?19:50:56.16-73:22:32.117 Mar 2019Gaia17 Mar 201917.817 Mar 201917.8
2019bwaESO 511-G7Ib-pec14:11:17.59-25:02:09.517 Mar 2019ATLAS17 Mar 201917.617 Mar 201917.6
AT2019bwcESO 268-G35?12:43:57.88-45:35:45.117 Mar 2019ATLAS17 Mar 201917.817 Mar 201917.8
AT2019bzmAGN17:41:28.13+03:48:51.316 Mar 2019ZTF16 Mar 201916.816 Mar 201916.8
AT2019bzl?12:37:11.43-17:45:28.516 Mar 2019ZTF16 Mar 201917.916 Mar 201917.9
AT2019cbp?18:25:26.02+08:10:46.816 Mar 2019ZTF16 Mar 201917.116 Mar 201917.1
AT2019cbq?18:28:43.93+07:47:38.016 Mar 2019ZTF16 Mar 201917.716 Mar 201917.7
AT2019caq?14:15:01.08-09:15:57.215 Mar 2019ZTF15 Mar 201917.115 Mar 201917.1
AT2019cboAGN08:18:57.73-22:52:36.115 Mar 2019ZTF15 Mar 201917.815 Mar 201917.8
AT2019cbc?18:06:09.17+65:20:46.915 Mar 2019ZTF15 Mar 201916.815 Mar 201916.8
AT2019bxzYSO16:17:24.74-36:57:33.715 Mar 2019Gaia15 Mar 201913.315 Mar 201913.3
AT2019byw?17:05:08.59+07:59:26.115 Mar 2019ZTF15 Mar 201917.715 Mar 201917.7
2019bzdESO 580-G29IIP14:47:32.07-19:45:57.815 Mar 2019MASTER15 Mar 201915.515 Mar 201915.5
AT2019bze?12:02:56.68-51:07:43.715 Mar 2019MASTER15 Mar 201916.915 Mar 201916.9
AT2019byx?18:08:40.94+19:26:25.515 Mar 2019ZTF15 Mar 201916.915 Mar 201916.9
2019btpIa17:43:26.10+05:38:19.015 Mar 2019ASAS-SN15 Mar 201917.615 Mar 201917.6
AT2019buj?14:10:43.50+54:36:50.414 Mar 2019ZTF19 Mar 201917.919 Mar 201917.9
AT2019bxhLEDA 2500918?14:51:53.10+55:24:27.314 Mar 2019ZTF20 Mar 201917.920 Mar 201917.9
AT2019cau?08:52:32.57+72:27:58.114 Mar 2019ZTF14 Mar 201917.414 Mar 201917.4
AT2019cba?02:13:05.69+53:29:49.014 Mar 2019ZTF14 Mar 201917.914 Mar 201917.9
2019bzb?12:35:44.40+16:05:36.813 Mar 2019TNTS13 Mar 201917.913 Mar 201917.9
2019bseIa09:26:02.54+18:56:24.713 Mar 2019ASAS-SN13 Mar 201916.913 Mar 201916.9
AT2019bst?14:49:56.89-30:27:18.613 Mar 2019ATLAS13 Mar 201917.213 Mar 201917.2
AT2019btqMRK 0750?11:50:02.79+16:05:14.113 Mar 2019TNTS13 Mar 201917.113 Mar 201917.1
AT2019bsdM31?00:42:19.99+41:13:22.512 Mar 2019Kamil Hornoch et al.18 Mar 201915.118 Mar 201915.1
2019bsaIa11:10:51.76+28:42:11.012 Mar 2019ASAS-SN12 Mar 201916.912 Mar 201916.9
AT2019bqm?12:12:53.06-37:12:35.310 Mar 2019ASAS-SN10 Mar 201915.610 Mar 201915.6
AT2019bru?18:36:12.64-31:15:26.29 Mar 2019Gaia9 Mar 201917.99 Mar 201917.9
AT2019brl?08:20:29.16-21:34:38.59 Mar 2019ATLAS9 Mar 201917.89 Mar 201917.8
AT2019btj?07:53:18.99-44:09:58.99 Mar 2019ATLAS9 Mar 201917.69 Mar 201917.6
AT2019bqk?08:30:19.84-47:56:05.48 Mar 2019ASAS-SN8 Mar 201916.28 Mar 201916.2
AT2019bql?10:15:23.92-59:12:32.28 Mar 2019ASAS-SN8 Mar 201916.88 Mar 201916.8
AT2019bqdESO 357-G24?03:22:54.10-36:45:53.18 Mar 2019ASAS-SN8 Mar 201917.58 Mar 201917.5
AT2019bqeNGC 3074Ia09:59:39.94+35:23:42.27 Mar 2019XOSS12 Mar 201917.312 Mar 201917.3
2019bpbIa05:12:09.78-43:55:16.47 Mar 2019ASAS-SN7 Mar 201917.67 Mar 201917.6
AT2019brq?17:48:38.22-66:25:40.77 Mar 2019ASAS-SN7 Mar 201917.67 Mar 201917.6
2019bpcUGC 7744Ia12:34:43.78+46:57:31.67 Mar 2019ASAS-SN16 Mar 201916.016 Mar 201916.0
2019bncIa13:31:28.45+25:12:12.36 Mar 2019ASAS-SN6 Mar 201917.96 Mar 201917.9
AT2019bpuUGC 4551?08:44:06.24+49:47:37.76 Mar 2019TNTS12 Mar 201914.312 Mar 201914.3
AT2019bqa?18:39:13.13-16:12:55.26 Mar 2019Gaia6 Mar 201917.96 Mar 201917.9
AT2019box?10:25:56.37-46:38:07.95 Mar 2019ATLAS5 Mar 201916.75 Mar 201916.7
AT2019bpp?19:12:35.18-21:12:13.15 Mar 2019Gaia5 Mar 201917.65 Mar 201917.6
AT2019bvpIC 630?10:38:33.62-07:10:14.55 Mar 2019ZTF5 Mar 201917.65 Mar 201917.6
AT2019bli?03:17:36.32+49:17:20.54 Mar 2019ATLAS4 Mar 201917.64 Mar 201917.6
AT2019bkz?03:28:40.99-47:14:09.43 Mar 2019ASAS-SN3 Mar 201917.73 Mar 201917.7
2019bkhMCG +5-31-141Ia13:08:57.33+28:16:52.63 Mar 2019ASAS-SN3 Mar 201917.63 Mar 201917.6
AT2019bmeLEDA 192200?22:27:05.65-53:55:14.43 Mar 2019Gaia3 Mar 201917.93 Mar 201917.9
AT2019bmd?18:25:40.37+06:08:20.83 Mar 2019Gaia3 Mar 201917.93 Mar 201917.9
2019bkaIa-91T11:44:25.80+19:42:48.22 Mar 2019ASAS-SN2 Mar 201916.82 Mar 201916.8
2019bjwIa10:55:47.44+27:40:17.62 Mar 2019ASAS-SN2 Mar 201917.02 Mar 201917.0
AT2019bjx?06:25:17.33-85:41:54.52 Mar 2019ASAS-SN2 Mar 201917.72 Mar 201917.7
2019bjzIa16:02:11.83+15:55:05.42 Mar 2019ASAS-SN2 Mar 201916.82 Mar 201916.8
AT2019bxv?00:12:18.71-62:04:08.22 Mar 2019Gaia2 Mar 201916.616 Mar 201917.4
2019bkgII04:53:17.96-32:50:49.22 Mar 2019ASAS-SN2 Mar 201917.82 Mar 201917.8
2019bjyIa13:06:00.94-37:36:57.92 Mar 2019ASAS-SN2 Mar 201917.92 Mar 201917.9
2019blpIa16:34:25.45+11:36:49.41 Mar 2019ZTF1 Mar 201917.71 Mar 201917.7
2019bjvIc16:25:38.65+47:26:14.11 Mar 2019ASAS-SN1 Mar 201917.81 Mar 201917.8
AT2019bla?07:22:33.10+23:15:47.01 Mar 2019ZTF1 Mar 201917.71 Mar 201917.7
AT2019bmh?08:55:25.66-24:38:04.11 Mar 2019ATLAS1 Mar 201917.91 Mar 201917.9
AT2019bip?10:32:32.97-19:04:31.31 Mar 2019ZTF1 Mar 201917.11 Mar 201917.1
AT2019bjmESO 420-G3?04:07:46.22-29:51:34.11 Mar 2019ATLAS5 Mar 201915.95 Mar 201915.9
AT2019bkd?16:56:22.74-47:15:52.71 Mar 2019ATLAS1 Mar 201917.41 Mar 201917.4
2019bjuII06:06:45.72-48:50:53.128 Feb 2019ASAS-SN28 Feb 201917.528 Feb 201917.5
2019bicUGC 5072Ia09:31:37.72+41:19:21.327 Feb 2019MASTER8 Mar 201916.58 Mar 201916.5
AT2019bdc?01:54:07.31-04:53:01.526 Feb 2019ZTF26 Feb 201917.226 Feb 201917.2
AT2019bhy?22:05:59.82-70:38:58.626 Feb 2019Gaia26 Feb 201917.926 Feb 201917.9
AT2019bzy?06:06:08.64+47:00:40.926 Feb 2019ZTF26 Feb 201917.726 Feb 201917.7
2019bcsII05:01:33.54-14:15:58.525 Feb 2019ATLAS25 Feb 201917.725 Feb 201917.7
2019bcoESO 549-G29Ia03:51:20.69-18:18:49.625 Feb 2019ATLAS25 Feb 201917.88 Mar 201917.8
AT2019bgp?09:04:35.11-32:35:36.725 Feb 2019ATLAS25 Feb 201917.725 Feb 201917.7
AT2019bhr?20:00:45.80-52:54:50.725 Feb 2019Gaia25 Feb 201917.625 Feb 201917.6
AT2019bgw?15:38:39.41-42:23:59.425 Feb 2019ATLAS25 Feb 201915.825 Feb 201915.8
AT2019biy?12:35:18.04-11:53:07.825 Feb 2019ZTF25 Feb 201917.025 Feb 201917.0
AT2019bcu?08:04:15.64-22:50:15.425 Feb 2019ATLAS25 Feb 201917.827 Feb 201917.8
AT2019bcr?06:38:27.68-20:40:35.925 Feb 2019ATLAS25 Feb 201917.825 Feb 201917.8
AT2019bfu?19:16:35.41+26:21:53.124 Feb 2019Gaia24 Feb 201916.824 Feb 201916.8
AT2019bgj?07:44:31.43+48:26:30.524 Feb 2019ZTF24 Feb 201916.05 Mar 201917.8
AT2019bngCGCG 088-035?08:07:16.56+14:57:03.724 Feb 2019ZTF24 Feb 201917.624 Feb 201917.6
AT2019cbuLEDA 220743?22:30:57.27-83:43:37.124 Feb 2019Gaia24 Feb 201917.624 Feb 201917.6
AT2019bcfESO 337-G16?19:16:21.46-40:07:44.023 Feb 2019ASAS-SN23 Feb 201916.027 Feb 201916.2
AT2019bfa?14:44:02.26-84:06:49.322 Feb 2019Gaia22 Feb 201917.822 Feb 201917.8
2019azfIa01:12:31.47-45:48:49.922 Feb 2019ASAS-SN22 Feb 201917.08 Mar 201917.5
AT2019azhKUG 0810+227?08:13:16.94+22:38:53.822 Feb 2019ASAS-SN26 Feb 201914.612 Mar 201914.6
2019bawUGC 1227Ia01:45:15.37+32:03:41.820 Feb 2019ZTF20 Feb 201917.120 Feb 201917.1
AT2019bhkKUG 0910+479?09:13:46.06+47:42:00.320 Feb 2019ZTF20 Feb 201917.920 Feb 201917.9
2019bakIa10:13:31.92+29:33:06.620 Feb 2019ZTF20 Feb 201917.920 Feb 201917.9
AT2019azt?23:55:39.56+62:18:39.917 Feb 2019Gaia17 Feb 201916.117 Feb 201916.1
AT2019bvzFlare16:54:16.85-40:08:05.716 Feb 2019Gaia16 Feb 201917.316 Feb 201917.3
2019axfIa16:24:26.43+82:47:41.713 Feb 2019ASAS-SN13 Feb 201916.113 Feb 201916.1
AT2019axu?05:45:06.94-29:37:30.013 Feb 2019ATLAS13 Feb 201917.413 Feb 201917.4
2019avxIa13:16:16.24+62:32:51.512 Feb 2019ZTF2 Mar 201917.82 Mar 201917.8
AT2019awr?22:13:33.51+40:30:06.212 Feb 2019Gaia12 Feb 201914.912 Feb 201914.9
AT2019aww?10:41:35.84-42:52:39.612 Feb 2019Gaia12 Feb 201917.712 Feb 201917.7
AT2019bae?14:19:21.03+16:10:51.712 Feb 2019ZTF12 Feb 201917.612 Feb 201917.6
AT2019bkl?06:53:57.86-10:48:28.411 Feb 2019Gaia11 Feb 201917.711 Feb 201917.7
AT2019avq?13:16:01.31+09:59:07.510 Feb 2019ZTF21 Feb 201917.621 Feb 201917.6
2019ayaIa-91T04:19:58.09-07:15:24.39 Feb 2019ATLAS18 Feb 201917.49 Mar 201917.5
AT2019aub?18:42:14.09+13:30:12.69 Feb 2019Gaia9 Feb 201917.79 Feb 201917.7
AT2019att?01:51:05.93+28:24:42.89 Feb 2019Gaia9 Feb 201917.99 Feb 201917.9
AT2019avd?08:23:36.77+04:23:02.59 Feb 2019ZTF9 Feb 201917.59 Feb 201917.5
AT2019asy?17:47:05.77-13:31:42.59 Feb 2019ASAS-SN17 Feb 201913.918 Feb 201914.1
AT2019atb?14:47:58.34-47:48:41.39 Feb 2019ATLAS9 Feb 201917.09 Feb 201917.0
AT2019atc?09:17:53.68-41:51:29.29 Feb 2019ATLAS9 Feb 201917.99 Feb 201917.9
2019ataIa10:14:10.79-35:09:39.09 Feb 2019ATLAS5 Mar 201917.55 Mar 201917.5
2019aqnII15:33:36.04+01:23:35.98 Feb 2019ATLAS12 Mar 201917.712 Mar 201917.7
2019aviIa10:01:32.03+39:15:34.58 Feb 2019ZTF8 Feb 201917.98 Feb 201917.9
2019avaKUG 0728+583Ia07:32:58.89+58:16:44.08 Feb 2019ZTF19 Feb 201916.824 Feb 201917.8
2019avhIa10:01:58.87+43:21:34.58 Feb 2019ZTF21 Feb 201917.321 Feb 201917.3
2019aosIa-91T13:12:38.63-30:01:24.06 Feb 2019ASAS-SN11 Feb 201916.726 Feb 201916.7
AT2019aoq?15:50:57.40-12:40:39.66 Feb 2019ASAS-SN6 Feb 201916.36 Feb 201916.3
AT2019aoh2MFGC 10430?13:06:33.33-43:49:21.05 Feb 2019ATLAS5 Feb 201917.55 Feb 201917.5
AT2019aog?12:57:04.90-45:54:49.25 Feb 2019ATLAS5 Feb 201917.75 Feb 201917.7
AT2019apdESO 508-G32?13:15:48.71-24:15:23.65 Feb 2019PS14 Mar 201917.24 Mar 201917.2
2019amrIa14:16:27.74-45:25:12.75 Feb 2019ASAS-SN5 Feb 201917.35 Feb 201917.3
AT2019anc?00:13:05.58+18:13:02.94 Feb 2019Gaia4 Feb 201917.74 Feb 201917.7
AT2019aknM31?00:42:51.00+41:21:03.83 Feb 2019XOSS10 Feb 201917.511 Feb 201917.6
2019akqUGC 3044Ia04:26:49.33+29:57:06.33 Feb 2019ATLAS13 Feb 201916.428 Feb 201916.7
AT2019akw?13:00:06.66-06:13:30.82 Feb 2019Gaia2 Feb 201915.82 Feb 201915.8
AT2019ajf?06:09:25.01-45:15:24.21 Feb 2019ASAS-SN1 Feb 201915.71 Feb 201915.7
AT2019alv?08:14:05.95-24:11:08.61 Feb 2019ATLAS1 Feb 201917.51 Feb 201917.5
AT2019akp?13:28:00.36-34:56:43.61 Feb 2019ATLAS1 Feb 201917.41 Feb 201917.4
AT2019ayb?18:01:04.18+30:27:42.11 Feb 2019ATLAS15 Feb 201916.915 Feb 201916.9
2019ajaIa16:23:08.04+19:00:20.81 Feb 2019ASAS-SN1 Feb 201916.81 Feb 201916.8
2019akoIa06:13:56.29-38:02:23.81 Feb 2019ATLAS10 Feb 201917.010 Feb 201917.0
2019ahhIa-91bg14:02:15.14+09:46:58.930 Jan 2019ASAS-SN30 Jan 201917.330 Jan 201917.3
AT2019aiaLCSB S0065P?00:23:46.32-01:29:54.730 Jan 2019Gaia30 Jan 201917.930 Jan 201917.9
2019aikNGC 3304Ia10:37:38.36+37:27:29.730 Jan 2019XOSS15 Feb 201915.612 Mar 201917.2
AT2019ahz?19:50:49.45+37:44:07.129 Jan 2019Gaia29 Jan 201917.029 Jan 201917.0
2019ahgIC 893Ic13:31:48.01-02:36:31.029 Jan 2019ATLAS2 Feb 201917.92 Feb 201917.9
AT2019agu?06:39:14.91-25:14:01.728 Jan 2019ATLAS4 Feb 201917.14 Feb 201917.1
2019ago[RGG2013] 133Ia17:01:04.34+25:52:11.728 Jan 2019ZTF1 Feb 201917.31 Feb 201917.3
2019agmIa16:36:45.60+18:41:14.828 Jan 2019ZTF3 Feb 201917.43 Feb 201917.4
2019aexIa00:39:15.70+06:41:18.427 Jan 2019ASAS-SN1 Feb 201917.11 Feb 201917.1
2019ahsIa12:01:42.93+20:24:13.726 Jan 2019ZTF15 Feb 201916.328 Feb 201917.3
AT2019aeo?05:46:08.96+75:15:55.726 Jan 2019ZTF26 Jan 201917.526 Jan 201917.5
AT2019afb?05:09:15.75-23:36:14.326 Jan 2019ASAS-SN26 Jan 201916.426 Jan 201916.4
AT2019aheMCG -2-27-5?10:29:59.94-11:16:45.426 Jan 2019ZTF26 Jan 201917.726 Jan 201917.7
2019abbCGCG 058-066Ic07:54:17.27+14:16:22.625 Jan 2019ZTF25 Jan 201917.925 Jan 201917.9
AT2019abx?19:30:27.09+53:11:50.324 Jan 2019Gaia24 Jan 201917.824 Jan 201917.8
2019aaxPGC 765812II12:17:05.63-26:37:45.024 Jan 2019ATLAS24 Jan 201916.624 Jan 201916.6
AT2019acf?01:10:44.55-48:43:12.923 Jan 2019Gaia23 Jan 201917.523 Jan 201917.5
AT2019abtKUG 0847+693?08:52:21.80+69:10:55.823 Jan 2019ATLAS23 Jan 201917.923 Jan 201917.9
AT2019zj?09:19:36.19+03:52:28.623 Jan 2019ATLAS23 Jan 201916.123 Jan 201916.1
AT2019ze?06:16:56.75+81:48:11.723 Jan 2019ATLAS23 Jan 201917.223 Jan 201917.2
AT2019zh?11:54:19.94-05:48:31.623 Jan 2019ATLAS30 Jan 201917.630 Jan 201917.6
AT2019aau?20:47:38.00+52:33:56.322 Jan 2019Gaia22 Jan 201917.322 Jan 201917.3
AT2019aah?15:01:30.72+04:52:41.822 Jan 2019ZTF22 Jan 201917.622 Jan 201917.6
AT2019abnM51LBV13:29:42.39+47:11:17.022 Jan 2019ATLAS20 Feb 201916.615 Mar 201917.2
2019yzUGC 9977Ic15:41:57.31+00:42:39.420 Jan 2019ATLAS5 Feb 201915.916 Feb 201916.5
2019ybIa11:00:37.87+30:30:45.319 Jan 2019ZTF29 Jan 201917.829 Jan 201917.8
2019vaUGC 8577IIP13:35:14.68+44:45:58.716 Jan 2019ATLAS8 Mar 201916.18 Mar 201916.1
2019rzUGC 3554IIn06:50:25.76+43:03:11.914 Jan 2019ASAS-SN16 Feb 201916.516 Feb 201916.5
2019rxIa05:21:59.59-07:11:24.513 Jan 2019ATLAS7 Feb 201917.77 Feb 201917.7
2019rnNGC 877IIb02:17:59.60+14:32:00.412 Jan 2019ATLAS6 Feb 201916.220 Feb 201917.9
2019rfPGC 165356SN03:12:13.52+67:24:35.111 Jan 2019ATLAS12 Jan 201917.318 Feb 201917.9
AT2019rg?23:02:55.20+08:24:10.011 Jan 2019ATLAS27 Jan 201916.027 Jan 201916.0
2019vuMCG +10-20-65Ia14:02:19.89+59:25:12.111 Jan 2019ATLAS3 Feb 201916.620 Feb 201917.2
2019roIa11:59:34.01+57:19:43.911 Jan 2019ATLAS24 Jan 201916.924 Jan 201916.9
AT2019oy?02:45:28.61-62:07:27.610 Jan 2019ASAS-SN10 Jan 201917.628 Jan 201917.9
2019npNGC 3254Ia10:29:21.96+29:30:38.49 Jan 2019Koichi Itagaki25 Jan 201913.017 Mar 201915.8
2019mhII12:02:36.14+04:32:58.69 Jan 2019ASAS-SN19 Jan 201916.028 Jan 201916.8
2019qtIIn14:59:10.65+43:49:11.68 Jan 2019ZTF26 Jan 201916.520 Feb 201916.5
AT2018lkgUGC 3660IIn07:06:34.76+63:50:56.930 Dec 2018MASTER23 Feb 201915.723 Feb 201915.7
2018lcdMCG -1-5-42II01:51:10.81-03:29:26.929 Dec 2018Corona Borealis Observatory Supernova Survey (CSNS)3 Jan 201916.418 Feb 201916.5
2018kpoMCG -1-10-19II03:40:43.05-06:25:24.124 Dec 2018ATLAS14 Feb 201916.912 Mar 201917.2
2018khhIIn22:03:16.18-55:58:36.620 Dec 2018ASAS-SN20 Dec 201816.32 Mar 201917.4
2018jkyNGC 1329Ia03:26:02.12-17:33:47.05 Dec 2018ASAS-SN11 Dec 201815.624 Jan 201917.7
2018ivcM77II02:42:41.29-00:00:31.724 Nov 2018DLT4028 Nov 201813.231 Jan 201917.4
2018iuuUGC 6452Ia11:27:21.22+59:37:48.321 Nov 2018ZTF9 Dec 201815.323 Jan 201917.6
2018imfNGC 4639IIP12:42:41.39+13:15:55.014 Nov 2018Koichi Itagaki14 Nov 201815.85 Feb 201917.4
2018hnaUGC 7534II12:26:12.05+58:18:51.122 Oct 2018Koichi Itagaki16 Jan 201913.721 Mar 201916.2
2018hfgUGC 4642IIn08:52:56.19+42:24:46.77 Oct 2018ASAS-SN30 Nov 201816.217 Feb 201916.5
2018evtMCG -1-35-11Ia-91T13:46:39.21-09:38:35.811 Aug 2018ASAS-SN29 Dec 201816.211 Mar 201916.6
AT2016bluNGC 4559LBV12:35:52.30+27:55:55.911 Jan 2012LOSS11 Jan 201216.727 Feb 201917.5



    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.