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.

2025/10/01
• Created entries for 1 MASTER supernovae, 1 PS1 supernovae, 16 GOTO supernovae, 65 ZTF supernovae, 9 ATLAS supernovae, 3 WFST supernovae, 7 LAST supernovae
• Updated the entries for 2024aefa (Type IIn), 2025xmp (Type Ia), 2025yhj (Type SN), 2025ytg (Type Ia), 2025yth (Type Ia), 2025ytl (Type Ia-91T)

2025/09/30
• Created entries for 189 GW-MMADS supernovae, 4 PS1 supernovae, 5 LAST supernovae, 30 ZTF supernovae, 11 ATLAS supernovae, 3 XOSS supernovae, 3 WFST supernovae, 4 GOTO supernovae, 1 Fritz supernovae, 1 MASTER supernovae
• Updated the entries for 2025vls (Type Ia), 2025xju (Type Ia-SC), 2025xkn (Type Ia), 2025xow (Type Ia), 2025ygq (Type Ia in NGC 1217), 2025ylb (Type Ia), 2025ytg (Type Ia), 2025yth (Type Ia)

2025/09/29
• Created entries for 4 PS1 supernovae, 4 XOSS supernovae, 15 ATLAS supernovae, 13 GOTO supernovae, 1 MASTER supernovae, 15 WFST supernovae, 1 BlackGEM supernovae, 1 LAST supernovae
• Updated the entries for 2021fao (Type SLSN-I), 2025xll (Type Ib), 2025ykr (Type Ia), 2025xzy (Type Ia), 2025yla (Type Ia-91bg), 2025yti (Type Ia), 2025uso (Type IIb), 2025xqu (Type Ic), 2025xxz (Type Ia), 2025yad (Type Ia), 2025yfx (Type Ia), 2025ymh (Type II in NGC 1085)
• Added images of 2025rbs, 2025uue (Mag 16.9), 2025wej, 2025ytg, 2025ytl

2025/09/28
• Created entries for 1 LAST supernovae, 1 MASTER supernovae, 22 GOTO supernovae, 1 BlackGEM supernovae, 1 XOSS supernovae, 1 ATLAS supernovae
• Updated the entries for 2025xhp (Type IIn), 2025xqf (Type Ia)

2025/09/27
• Created entries for 10 GOTO supernovae, 9 PS1 supernovae, 3 ATLAS supernovae, 5 XOSS supernovae, 11 WFST supernovae, 1 LAST supernovae, AT2025yrt (Mag 16.1 in NGC 1781)
• Updated the entries for 2025tsl (Type II), 2025xgj (Type Ia)

2025/09/26
• Created entries for 14 GOTO supernovae, 6 ATLAS supernovae, 9 ZTF supernovae, 7 WFST supernovae, 1 Fritz supernovae, 3 LAST supernovae 33 ATLAS supernovae, 21 GOTO supernovae, 40 ZTF supernovae, 1 PS1 supernovae, 8 LAST supernovae, 1 Miguel Llamas Lanza supernovae, 6 WFST supernovae
• Updated the entries for 2025uxs (Type Ia), 2025xjk (Type Ia), 2025xvw (Type Ia-91T), 2025yhm (Type Ia), 2025yjt (Type II), 2025ymz (Type Ia), 2025ynt (Type Other)
• Updated the entries for 2025wiu (Type Ib), 2025xes (Type Ia), 2025xjd (Type Ia-02cx)

2025/09/24
• Created entries for 56 ZTF supernovae, 4 PS1 supernovae, 1 WFST supernovae, 6 GOTO supernovae, 1 ATLAS supernovae, 3 LAST supernovae
• Updated the entries for 2025vfa (Type Ia), 2025wur (Type Ia), 2025xbl (Type Ia), 2025xqe (Type Ia), 2025yff (Type Ia), 2025yii (Type Ia)
• Added images of 2025N, 2025plf (Mag 16.7), 2025rbs (Mag 14.7), 2025vzq, 2025wfz (Mag 20.3), 2025wug (Mag 17.4), 2025wwk, 2025yao

2025/09/23
• Created entries for 13 PS1 supernovae, 7 ATLAS supernovae, 10 ZTF supernovae, 1 GEOTS supernovae, 10 GOTO supernovae, 1 BlackGEM supernovae, 3 LAST supernovae, 2 WFST supernovae, 1 Fritz supernovae, AT2025yhk (Mag 18.2 in M33)
• Updated the entries for 2022fzx (Type II), 2025sad (Type II), 2025uma (Type Ib/c), 2025vdu (Type II), 2025wiu (Type Ibn), 2025wsz (Type Ib), 2025wwp (Type Ia), 2025xbc (Type Ia), 2025xfu (Type Ib), 2025xih (Type II), 2025xiy (Type II), 2025xrt (Type Ia), 2025ygf (Type CV)

2025/09/22
• Created entries for 6 XOSS supernovae, 16 ATLAS supernovae, 8 LAST supernovae, 2 MASTER supernovae, 1 BlackGEM supernovae, 36 ZTF supernovae, 3 GOTO supernovae, 3 PS1 supernovae
• Updated the entries for 2020abzy (Type AGN), 2025wfl (Type Other), 2025xek (Type Ic), 2025xju (Type Ia-SC), 2025xjv (Type Ia), 2025xli (Type Ia), 2025xot (Type Ia), 2025xox (Type Ia), 2025xpx (Type Ia), 2025xqy (Type II), 2025xxi (Type II), 2025xxq (Type Ia), 2025xza (Type II)

2025/09/21
• Created entries for 17 ZTF supernovae, 19 WFST supernovae
• Updated the entries for 2025wbw (Type Ia), 2025xnh (Type Ia), 2025xso (Type Ia), 2025yao (Type II)

2025/09/20
• Created entries for 1 ATLAS supernovae, 4 LAST supernovae, 20 GOTO supernovae, 6 ZTF supernovae, 34 WFST supernovae 16 ZTF supernovae, AT2025yal (Mag 18.0 in M33), 6 LAST supernovae, 1 PS1 supernovae
• Updated the entries for 2022aeys (Type AGN), 2025xfc (Type Ia), 2025xso (Type Ia), 2025xeg (Type Ia), 2025xkj (Type Ia), 2025xzc (Type SN)

2025/09/19
• Created entries for 2 PS1 supernovae, 15 ATLAS supernovae, 2 MASTER supernovae, 1 XOSS supernovae, 7 GOTO supernovae, 1 LAST supernovae
• Updated the entries for 2025xsm (Type Ia)
• Added images of 2025rbs, 2025vzq (Mag 15.0), 2025wwk, 2025xeg

2025/09/18
• Created entries for 8 LAST supernovae, 23 ATLAS supernovae, 16 GOTO supernovae, 6 PS1 supernovae, 1 MASTER supernovae, 2 BlackGEM supernovae, 13 ZTF supernovae, 11 WFST supernovae
• Updated the entries for 2025sqe (Type Other), 2025uox (Type Ia), 2025wcg (Type Ia), 2025wvo (Type Ia), 2025xsq (Type Ia)

2025/09/17
• Created entries for 3 PS1 supernovae, 13 GOTO supernovae, 6 ZTF supernovae 1 BlackGEM supernovae, 2 XOSS supernovae, 13 ZTF supernovae, 6 MASTER supernovae, 6 GOTO supernovae, 3 LAST supernovae
• Updated the entries for 2022xje (Type Ic), 2022zlz (Type Ib), 2025wty (Type II), 2025xfr (Type Ia), 2025xrc (Type Ia) 2025vpj (Type II), 2025xgf (Type Ia), 2025xhz (Type Ia)

2025/09/16
• Created entries for AT2025xtl (Mag 18.7 in M31), 4 PS1 supernovae, 30 ZTF supernovae, 5 LAST supernovae, 2 MASTER supernovae, 2 BlackGEM supernovae, 11 ATLAS supernovae, 4 GOTO supernovae, 1 Fritz supernovae
• Updated the entries for 2025upr (Type Ia), 2025wsi (Type Ia), 2025wxg (Type Ia), 2025wxm (Type Ia), 2025wyf (Type Ia), 2025xby (Type Ia), 2025xla (Type Ia), 2025xln (Type Ia), 2025xma (Type Ia), 2025xop (Type CV), 2025xrb (Type Ia)

2025/09/15
• Created entries for 21 ATLAS supernovae, 5 PS1 supernovae, 27 ZTF supernovae, 1 Fritz supernovae, 12 WFST supernovae, AT2025xpe (Mag 20.6 in M31), 8 LAST supernovae
• Updated the entries for 2025vjb (Type Ia), 2025wce (Type IIn), 2025wrq (Type Ia), 2025wub (Type Ia), 2025wws (Type Ia), 2025wxl (Type Ia), 2025wyq (Type Ia), 2025xdd (Type II)

2025/09/14
• Created entries for 22 PS1 supernovae, 27 ZTF supernovae, 10 GOTO supernovae, 29 ATLAS supernovae 27 ZTF supernovae, 1 PS1 supernovae, 3 GOTO supernovae, 7 WFST supernovae, 1 BTSbot_bot supernovae, 5 LAST supernovae
• Updated the entries for 2025wsn (Type II), 2025wxy (Type Ia), 2025xch (Type Ia)
• Updated the entries for 2025cng (Type SLSN-I), 2025ktf (Type SLSN-I), 2025tll (Type SLSN-II), 2025vpl (Type Ia), 2025wtk (Type Ia)

2025/09/13
• Created entries for 2 MASTER supernovae, 15 ZTF supernovae, 6 ATLAS supernovae, 6 GOTO supernovae, 3 LAST supernovae 1 ZTF supernovae, 1 PS1 supernovae, 3 WFST supernovae, 3 ATLAS supernovae, 2 GOTO supernovae, 1 LAST supernovae
• Updated the entries for 2025uue (Type IIn), 2025xet (Type Ia)

2025/09/12
• Created an entry for 8 GOTO supernovae, 2 LAST supernovae, 3 ATLAS supernovae, 1 XOSS supernovae, 3 ZTF supernovae, 1 PS1 supernovae, 9 GW-MMADS supernovae, 1 MASTER supernovae Nova M31 2025-09c? (= PNV J00425773+4108105 Mag 19.9 in M31)

2025/09/11
• Created entries for 9 PS1 supernovae, 28 ZTF supernovae, 5 LAST supernovae, 1 MASTER supernovae, 4 ATLAS supernovae, 1 BlackGEM supernovae
• Updated the entries for 2025vis (Type Ia), 2025vpm (Type Ia), 2025wfj (Type Ia), 2025wwq (Type Ia), 2025wzy (Type II), 2025xaz (Type Ia), 2025xdn (Type II), 2025xeq (Type Ia)
• Added images of 2025pht (Mag 15.3), 2025rbs (Mag 13.5), 2025vzq (Mag 15.4)

2025/09/10
• Created entries for 6 ZTF supernovae, 4 ATLAS supernovae, 7 PS1 supernovae, 2 Ziyang Mai supernovae, 1 LAST supernovae
• Updated the entries for 2025vgq (Type Ia), 2025vob (Type CV), 2025wpa (Type CV)

2025/09/09
• Created entries for 1 GOTO supernovae, 1 LAST supernovae, 11 ZTF supernovae, 2 ATLAS supernovae, 1 MASTER supernovae, 1 Ziyang Mai supernovae, 1 WFST supernovae

2025/09/08
• Created entries for 17 NEXUS-bot supernovae, 12 ZTF supernovae, 2 PS1 supernovae, 1 WFST supernovae, 1 ATLAS supernovae
• Updated the entries for 2025pfi (Type Ia), 2025tqu (Type II), 2025tsb (Type Ia), 2025tye (Type Ia), 2025ugw (Type II), 2025uic (Type II), 2025vba (Type Ia), 2025vkk (Type SN), 2025vnr (Type Ic), 2025vnx (Type Ia), 2025vny (Type II), 2025wdz (Type Ia), 2025whv (Type SLSN-I), 2025wug (Type IIb), 2025wwk (Type Ia)

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)

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