Occasionally I make a mistake. Please see the Errata section for a list of these. If you find one, or a broken link, please e-mail me and I will fix it. I maintain these pages with an ASCII editor (no web publishing tools involved at ALL) and I occasionally make a typo which escapes my QC checks.

2025/09/07
• Created entries for 1 XOSS supernovae, 6 Lei Hu supernovae, 12 ZTF supernovae, 1 ATLAS supernovae 2 WFST supernovae, 1 GOTO supernovae, 1 Ziyang Mai supernovae
• Updated the entries for 2025upm (Type SLSN-I), 2025vll (Type Ia), 2025wwz (Type Ia), 2025wxb (Type Ia), 2025wxi (Type Ia), 2025vls (Type Ia), 2025wpl (Type II)

2025/09/06
• Created entries for 4 PS1 supernovae, 1 GOTO supernovae, 16 ZTF supernovae, 1 Fritz supernovae, 2 GW-MMADS supernovae, 1 XOSS supernovae 21 ZTF supernovae, 4 DESGW supernovae, 11 GW-MMADS supernovae, 2 GOTO supernovae, 1 Fritz supernovae, Nova M31 2025-09b? (= PNV J00425632+4114208 Mag 19.4 in M31)
• Updated the entries for 2025sno (Type Ia), 2025uyi (Type Ia), 2025vfk (Type Ia), 2025vqu (Type Ia)
• Added images of 2025pht (Mag 14.8), 2025rbs, 2025sad, 2025sbe (Mag >19), 2025snb (Mag 17.1), 2025tgs, 2025tis, 2025wej, 2025wmj
• Did some archiving

2025/09/05
• Created entries for 1 ATLAS supernovae, 4 XOSS supernovae, 16 ZTF supernovae, 1 Tadashi Kojima supernovae, 3 WFST supernovae, 6 LAST supernovae, 2 GOTO supernovae, AT2025wwe (Mag 17.9 in M31)
• Updated the entries for 2025tlc (Type Ia), 2025tqi (Type Ia), 2025wsg (Type CV)

2025/09/04
• Created entries for 23 ZTF supernovae, 6 GOTO supernovae, 14 ATLAS supernovae, 11 LAST supernovae, 2 XOSS supernovae, 1 Erkki Kankare supernovae, 2 PS1 supernovae
• Updated the entries for 2018mpx (Type Ia), 2025vjq (Type Ia), 2025vnh (Type Ia), 2025wib (Type Ia)

2025/09/03
• Created entries for 3 LAST supernovae, 4 GOTO supernovae, 3 ZTF supernovae, 4 ATLAS supernovae, 1 XOSS supernovae 6 GOTO supernovae, 2 ATLAS supernovae, 21 LAST supernovae, 2 XOSS supernovae, 1 ZTF supernovae
• Updated the entries for 2025cdt (Type IIn), 2025rjv (Type II), 2025vgt (Type II), 2025wkw (Type Ia), 2025wsj (Type II), 2025vrr (Type II), 2025wkm (Type Ic-BL)

2025/09/02
• Created entries for 17 ATLAS supernovae, 22 ZTF supernovae, 2 Lei Hu supernovae, 7 PS1 supernovae, 4 GOTO supernovae, 7 WFST supernovae, 7 LAST supernovae, 1 XOSS supernovae
• Updated the entries for 2025ndr (Type Ia-CSM), 2025vgm (Type II), 2025wgb (Type Other), 2025wmj (Type Ia-91bg), 2025wos (Type Ia-91T), 2025wpj (Type SN), 2025wrd (Type Ia)

2025/09/01
• Created entries for 8 ZTF supernovae, 2 PS1 supernovae, 5 ATLAS supernovae, 15 GW-MMADS supernovae, 1 DESGW supernovae, 1 GOTO supernovae, 6 LAST supernovae 11 ATLAS supernovae, 15 LAST supernovae, 5 GOTO supernovae, 2 WFST supernovae, 3 ZTF supernovae
• Updated the entries for 2019aawv (Type AGN), 2023aeej (Type Ia), 2025vjw (Type Other), 2025vnt (Type Ia), 2025wld (Type Ia), 2025wnt (Type Ia), 2025ozn (Type Ia), 2025ruk (Type Ic), 2025tae (Type SLSN-II), 2025txu (Type Ia), 2025ukr (Type SLSN-I), 2025ums (Type Ia)
• Added images of 2025mvn (Mag 20.1), 2025pao, 2025pjx (Mag 17.2), 2025plf (Mag 17.0), 2025qpk (Mag 16.1), 2025rbs (Mag 13.1), 2025sad (Mag 17.3), 2025ttc, 2025vaw (Mag 15.6), 2025wej (Mag 19.0)

2025/08/31
• Created entries for 24 GOTO supernovae, 82 ZTF supernovae, 9 ATLAS supernovae, 10 XOSS supernovae, 27 PS1 supernovae, 12 LAST supernovae, 39 WFST supernovae, 2025wkx (Mag 20.5 in M31), 3 Fritz supernovae, 1 MASTER supernovae, 2025whl (Mag 17.7 in M31),
• Updated the entries for 2025fte (Type Ia), 2025seu (Type Other), 2025tqz (Type Ia), 2025tsy (Type II), 2025ttp (Type Ia), 2025txi (Type Ia), 2025txy (Type Ia), 2025uae (Type Ia), 2025uam (Type II), 2025uax (Type Ia), 2025uuw (Type Ia), 2025uvf (Type Ia), 2025vaz (Type Ia), 2025vhj (Type Ia), 2025vjw (Type Other), 2025vlw (Type Ia), 2025vnc (Type Ia), 2025vnv (Type Ia), 2025vos (Type Ia), 2025voy (Type Ia), 2025vrt (Type Ia), 2025wau (Type Ia), 2025wdo (Type Ia), 2025wej (Type II), 2025wfu (Type CV), 2025wfz (Type Ic-BL), 2025whv (Type Ia-91T), 2025wla (Type Ia)

2025/08/30
• Created entries for 1 BlackGEM supernovae, 21 ZTF supernovae, 6 XOSS supernovae, 1 GOTO supernovae, 22 WFST supernovae, 2 PS1 supernovae, 33 ATLAS supernovae, 1 MASTER supernovae, 16 LAST supernovae, AT2025wbt (Mag 18.7 in M31)
• Updated the entries for 2025ugi (Type Ic), 2025ums (Type Other), 2025vcj (Type Ia), 2025vef (Type Ic-BL), 2025vzq (Type Ic)
• Added images of 2025kyg, 2025plf, 2025qpk (Mag 15.8), 2025rbs, 2025trj (Mag 17.7), 2025ttc (Mag 16.6), 2025tzp (Mag 17.4), 2025umq (Mag 20.5), 2025vaw (Mag 17.0)
• Unplugging for a few days, see you Sunday. Note that the ZTF links appear to be down.

2025/08/28
• Created entries for 26 PS1 supernovae, 26 GOTO supernovae, 3 ZTF supernovae, 3 LAST supernovae, 1 BlackGEM supernovae, 31 ATLAS supernovae, 167 WFST supernovae
• Updated the entries for 2025mlx (Type IIb), 2025tgi (Type Ia), 2025tgu (Type II), 2025upe (Type Ia), 2025vkp (Type Ia), 2025vls (Type Ia), 2025vqv (Type Ia), 2025vrr (Type SN), 2025vzx (Type Ia)

2025/08/27
• Created entries for 2 GOTO supernovae, 1 Fritz supernovae, 19 ZTF supernovae, 1 LAST supernovae, 1 ATLAS supernovae, 1 PS1 supernovae 26 ZTF supernovae, 2 PS1 supernovae, 30 ATLAS supernovae, 3 XOSS supernovae, 7 LAST supernovae
• Updated the entries for 2024adr (Type Ia-91T), 2025qml (Type Ia), 2025rwm (Type IIn), 2025shf (Type Ic-BL), 2025tqh (Type Ia), 2025txq (Type Ia), 2025ugl (Type Ib-pec), 2025ulq (Type Ia), 2025uvy (Type Ia) 2025fxk (Type Ic-BL), 2025kjw (Type IIn), 2025obp (Type II), 2025owx (Type IIn), 2025smw (Type Ia), 2025tbk (Type IIn), 2025tzm (Type Ia), 2025usz (Type Nova)

2025/08/26
• Created entries for 20 ZTF supernovae, 3 GOTO supernovae, 14 LAST supernovae, 19 ATLAS supernovae, 1 PS1 supernovae
• Updated the entries for 2024jrn (Type Ib), 2025qqz (Type II), 2025ruw (Type IIn), 2025sog (Type II), 2025sxr (Type Ia), 2025tbf (Type II), 2025tfz (Type Ia), 2025thj (Type Ia), 2025tir (Type IIb), 2025tml (Type Ia), 2025tsw (Type Ia), 2025tto (Type II), 2025tzs (Type Ia), 2025umq (Type Ia), 2025uwe (Type Ic), 2025vaw (Type Ic-BL)

2025/08/25
• Created entries for 16 PS1 supernovae, 20 GOTO supernovae, 12 ATLAS supernovae, 5 LAST supernovae, 14 ZTF supernovae, 1 ALeRCE supernovae, 1 Ziyang Mai supernovae, 1 XOSS supernovae
• Updated the entries for 2025ulz (Type II)

2025/08/24
• Created entries for 6 PS1 supernovae, 2 ZTF supernovae, 21 ATLAS supernovae, 11 GOTO supernovae, 1 XOSS supernovae 9 ZTF supernovae, 1 GOTO supernovae, 26 PS1 supernovae
• Updated the entries for 2019aawu (Type Ia), 2025ugk (Type Ia), 2025uss (Type Ia), 2025vdq (Type Ia)

2025/08/23
• Created entries for 11 PS1 supernovae, 12 ATLAS supernovae, 16 ZTF supernovae, 1 GEOTS supernovae, 10 GOTO supernovae 72 ZTF supernovae, 51 PS1 supernovae, 13 GOTO supernovae, 4 MASTER supernovae, 5 ATLAS supernovae, 1 GEOTS supernovae, 3 WFST supernovae
• Updated the entries for 2025iek (Type IIn), 2025tws (Type Ia), 2025ube (Type Ia), 2025umo (Type Ia), 2025usw (Type Ia-02cx) 2025rik (Type Ia-02cx), 2025tji (Type Ia), 2025tsk (Type Ia), 2025uxv (Type Ia)
• Added images of 2025kyg, 2025ngs, 2025oas, 2025oxy, 2025pao, 2025plf, 2025qpk, 2025sli, 2025tqg, 2025tzp (Mag 17.8)

2025/08/22
• Created entries for 1 Ziyang Mai supernovae, 13 ZTF supernovae, 11 ATLAS supernovae, 13 PS1 supernovae, 13 Lei Hu supernovae, 1 GOTO supernovae
• Updated the entries for 2025nlw (Type II), 2025ugl (Type SN), 2025upj (Type Ia in NGC 7101)
• Added images of 2025rbs (Mag 12.9), 2025roy (Mag 18.6), 2025shi (Mag 17.9), 2025tam, 2025tis (Mag 14.6), 2025tkk, 2025trj, 2025tzp, 2025ugl, 2025umq (Mag 19.6)

2025/08/21
• Created entries for 31 ZTF supernovae, 33 PS1 supernovae, 4 GOTO supernovae, 10 ATLAS supernovae, 7 WFST supernovae
• Updated the entries for 2025mty (Type II), 2025noy (Type II), 2025qqz (Type II), 2025ril (Type Ia-CSM), 2025tjj (Type II), 2025tqj (Type II), 2025trg (Type II), 2025tsj (Type Ia), 2025twu (Type Ia), 2025tyr (Type II), 2025ube (Type Ia), 2025umb (Type Ia)

2025/08/20
• Created entries for 5 PS1 supernovae, 51 ATLAS supernovae, 1 ZTF supernovae, 2 Lei Hu supernovae 58 ATLAS supernovae, 1 ZTF supernovae, 1 GOTO supernovae
• Updated the entries for 2025rje (Type IIP), 2025spv (Type Ia), 2025uaq (Type Ia)

2025/08/19
• Created entries for 21 ZTF supernovae, 3 ATLAS supernovae, 6 PS1 supernovae, 1 MeerLICHT supernovae, 2 GOTO supernovae, 1 ALeRCE supernovae
• Updated the entries for 2025rhg (Type Ia), 2025sns (Type Ia), 2025tgb (Type Ia), 2025tss (Type Ia), 2025tzu (Type Ia)

2025/08/18
• Created entries for 8 GOTO supernovae, 1 Filipp Romanov supernovae, 86 PS1 supernovae, 22 ZTF supernovae, 3 WFST supernovae, 1 ATLAS supernovae
• Updated the entries for 2025axn (Type IIn), 2025rwm (Type SLSN-II), 2025sbs (Type II), 2025slm (Type Ia), 2025svz (Type Ic-BL), 2025tbb (Type II), 2025tgl (Type II), 2025thd (Type Ia), 2025tiw (Type Ia), 2025tra (Type Ia), 2025tsr (Type Ia), 2025tsu (Type Ia), 2025ttr (Type Ia), 2025tuj (Type II), 2025twl (Type Ia), 2025tys (Type Ia)

2025/08/17
• Created entries for 23 PS1 supernovae, 21 GOTO supernovae, 20 ZTF supernovae, 1 ATLAS supernovae 8 GOTO supernovae, 37 ATLAS supernovae, 69 ZTF supernovae, 1 ASAS-SN supernovae, 3 XOSS supernovae, 17 PS1 supernovae
• Updated the entries for 2025sxf (Type Ia), 2025txl (Type Ia), 2025tzw (Type CV), 2025udj (Type Ia), 2025tqb (Type Ia-91T)
• Added images of 2025gvs (Mag 17.8), 2025kyg (Mag 16.9), 2025qpm, 2025rbs (Mag 12.4), 2025sqm, 2025tam, 2025trj, 2025tzp

2025/08/16
• Created entries for 15 ZTF supernovae, 8 ATLAS supernovae, 1 Claudio Balcon supernovae
• Updated the entries for 2025rxq (Type II), 2025scx (Type Ia), 2025sqh (Type Ia), 2025sux (Type Ia), 2025sxn (Type Ia), 2025syb (Type Ia), 2025tzp (Type Ia)

2025/08/15
• Created entries for 4 PS1 supernovae, 2 ATLAS supernovae, 16 ZTF supernovae, 1 MASTER supernovae 32 ZTF supernovae, 2 WFST supernovae, 11 ATLAS supernovae, 2 PS1 supernovae, 3 GOTO supernovae, AT2025twt (Mag 19.1 in M31)
• Updated the entries for 2025sbx (Type Ia), 2025shf (Type Ic-BL), 2025tmm (Type Galaxy), 2025tta (Type Ia), 2025tvd (Type Ia)

2025/08/14
• Created entries for 27 ATLAS supernovae, 9 PS1 supernovae, 18 ZTF supernovae, 2 XOSS supernovae, 3 GOTO supernovae, 1 BlackGEM supernovae, 8 WFST supernovae, 1 MASTER supernovae
• Updated the entries for 2025pjf (Type Other), 2025sfo (Type SLSN-I), 2025sns (Type Ia), 2025tpt (Type Ia), 2025tpu (Type IIn), 2025trj (Type Ia)

2025/08/13
• Created entries for 7 PS1 supernovae, 34 ZTF supernovae, 22 ATLAS supernovae, 1 Ziyang Mai supernovae, 2 BlackGEM supernovae, 3 WFST supernovae, 1 Fritz supernovae, 1 XOSS supernovae
• Updated the entries for 2025qml (Type Ia), 2025rcj (Type IIb), 2025thz (Type Ia), 2025tip (Type Ia), 2025tqf (Type Ia), 2025tqg (Type Ia)

2025/08/12
• Created entries for 1 ATLAS supernovae, 3 ZTF supernovae, 2 PS1 supernovae, 3 GOTO supernovae, 2 BlackGEM supernovae, 3 XOSS supernovae 13 ATLAS supernovae, 1 GOTO supernovae, 8 ZTF supernovae, 2 BlackGEM supernovae, 69 PS1 supernovae, 13 WFST supernovae
• Updated the entries for 2025rve (Type Ia), 2025smd (Type Ia), 2025tlh (Type Ia)

2025/08/11
• Created entries for 6 PS1 supernovae, 7 ATLAS supernovae, 8 ZTF supernovae
• Updated the entries for 2025cyj (Type TDE), 2025gmz (Type TDE), 2025kkj (Type TDE), 2025nni (Type II), 2025own (Type TDE), 2025paq (Type II), 2025rkr (Type IIn), 2025rop (Type Ic), 2025spf (Type TDE), 2025svc (Type Ia), 2025svu (Type Ia), 2025swg (Type Ia), 2025sxe (Type Ia), 2025sxk (Type Ia), 2025syq (Type Other), 2025ter (Type Ia), 2025tfv (Type CV), 2025tgr (Type Ia), 2025tgv (Type Ia), 2025thh (Type Ia), 2025thx (Type Ia), 2025tkl (Type Ia)

2025/08/10
• Created entries for 3 PS1 supernovae, 3 XOSS supernovae, 4 ZTF supernovae 5 ZTF supernovae, 4 PS1 supernovae, 1 ATLAS supernovae
• Updated the entries for 2025ruw (Type II), 2025sax (Type Ia), 2025taz (Type Ia), 2025tfu (Type CV), 2025tgl (Type Other), 2025sbs (Type IIP), 2025sei (Type SLSN-I)

2025/08/09
• Created entries for 33 PS1 supernovae, 3 ZTF supernovae, 4 ATLAS supernovae
• Updated the entries for 2025owt (Type SLSN-I), 2025thc (Type Ia), 2025rjo (Type II), 2025ruw (Type Other), 2025sok (Type Ia), 2025spw (Type II), 2025svw (Type Ia), 2025tfy (Type Ia)

2025/08/08
• Created entries for 6 ZTF supernovae, 1 GOTO supernovae
• Updated the entries for 2025pgm (Type Ia), 2025qgz (Type IIP), 2025qqh (Type Ia), 2025qzw (Type CV), 2025rom (Type Ia), 2025roy (Type Ia), 2025rzj (Type Ia), 2025siq (Type Ia), 2025sqm (Type Ia), 2025tge (Type Ia), 2025qsn (Type II), 2025rwl (Type Ia), 2025tgs (Type Ia-91T), 2025tis (Type II)
• Added images of 2025ngs, 2025plf (Mag 15.6), 2025rbs (Mag 12.5), 2025taj (Mag 18.0), 2025tam (Mag 16.0)

2025/08/07
• Created entries for 5 ATLAS supernovae, 10 ZTF supernovae, 1 GOTO supernovae, 2 BlackGEM supernovae, 1 ASAS-SN supernovae, 2 MASTER supernovae, 14 PS1 supernovae

2025/08/06
• Created entries for 2 ZTF supernovae, 2 ATLAS supernovae, 2 GOTO supernovae, 3 GW-MMADS supernovae, 1 LAST supernovae
• Updated the entries for 2025rgb (Type Ia), 2025rgm (Type Ia-91T)

2025/08/05
• Created entries for 4 GOTO supernovae, 6 LAST supernovae, 1 Fink supernovae, 13 ATLAS supernovae, 15 ZTF supernovae, 1 PS1 supernovae, 3 BlackGEM supernovae
• Updated the entries for 2025mb (Type IIb), 2025shi (Type Ibn), 2025snw (Type Ia), 2025som (Type Ia), 2025svk (Type SN), 2025tam (Type II)

2025/08/04
• Created entries for 15 PS1 supernovae, 3 GOTO supernovae, 3 ZTF supernovae, 2 LAST supernovae, 1 MeerLICHT supernovae, 2 XOSS supernovae
• Updated the entries for 2025hwu (Type II), 2025ivm (Type SLSN-II), 2025qpm (Type II), 2025ryz (Type II), 2025ssk (Type II)

2025/08/03
• Created entries for 5 ATLAS supernovae, 2 Ziyang Mai supernovae, 79 PS1 supernovae, 1 LAST supernovae, 1 ZTF supernovae AT2025tam (Mag 16.0 in NGC 6708), 15 ATLAS supernovae, 25 ZTF supernovae, 2 GOTO supernovae, 6 LAST supernovae, 1 Giancarlo Cortini supernovae
• Updated the entries for 2025qmf (Type Nova), 2025rzv (Type Ia), 2025saa (Type Ia), 2025sag (Type Ia), 2025sem (Type II), 2025siu (Type Ia), 2025swd (Type CV)

2025/08/02
• Created entries for 12 PS1 supernovae, 21 ZTF supernovae, 16 ATLAS supernovae, 3 LAST supernovae
• Updated the entries for 2025rwz (Type Ia), 2025sal (Type Ia), 2025sce (Type Ia), 2025smn (Type Ia)
• Added images of 2016blu (Mag 18.0), 2025fvw (Mag 16.7), 2025kyg, 2025nlr, 2025pht (Mag 13.6), 2025plf, 2025qpk, 2025qtt, 2025rbs (lots of them..), 2025rwy (Mag 17.2)

2025/08/01
• Created entries for 17 ATLAS supernovae, 18 ZTF supernovae, 1 PS1 supernovae 1 MeerLICHT supernovae, 6 ATLAS supernovae, 1 XOSS supernovae, 5 ZTF supernovae, 7 LAST supernovae
• Updated the entries for 2025rzq (Type Ia), 2025sbw (Type Ia), 2025sro (Type Nova), 2025rtk (Type Ia)

Errata
• 2025/01/23 - Had the host galaxy of 2025zi marked as NGC 3198 not NGC 1398.