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.

2025/04/28
• Created entries for 1 XOSS supernovae, 1 PS1 supernovae, 1 LAST supernovae, 6 ATLAS supernovae, 2 MASTER supernovae, 1 ZTF supernovae 1 LAST supernovae, 17 ATLAS supernovae, 3 XOSS supernovae, 2 BlackGEM supernovae, 1 GOTO supernovae, 1 GEOTS supernovae, 3 PS1 supernovae
• Updated the entries for 2025esr (Type Ib/c), 2025htf (Type Ia), 2025hwp (Type Ia), 2025hzo (Type Ia), 2025iau (Type Ia), 2025iew (Type SN), 2025ima (Type Ia), 2025img (Type CV), 2025cav (Type Ic), 2025few (Type Ib), 2025gsb (Type IIb), 2025hxf (Type II)

2025/04/27
• Created entries for 6 ATLAS supernovae, 1 MASTER supernovae, 5 GOTO supernovae, 9 DESIRT supernovae, 1 Jozsef Vinko supernovae, 27 PS1 supernovae

2025/04/26
• Created entries for 1 PS1 supernovae, 2 ATLAS supernovae, 2 GOTO supernovae, 14 ZTF supernovae
• Updated the entries for 2025hlv (Type Ia), 2025hod (Type Ia), 2025ifq (Type Ia-91T)
• Added images of 2024afyu (Mag 15.3), 2025bvm (Mag 16.7), 2025fbf, 2025fvw (Mag 13.9), 2025gti (Mag 16.5), 2025hoz (Mag 16.1)

2025/04/25
• Created entries for 17 ATLAS supernovae, 5 GOTO supernovae, 1 ZTF supernovae, 1 BlackGEM supernovae, 2 PS1 supernovae
• Updated the entries for 2019czs (Type Ia), 2025cav (Type Ic), 2025few (Type Ib)

2025/04/24
• Created entries for 24 ATLAS supernovae, 44 ZTF supernovae, 3 GOTO supernovae, 7 PS1 supernovae, 1 ASAS-SN supernovae, 2 MASTER supernovae, 1 BlackGEM supernovae, 18 DESIRT supernovae
• Updated the entries for 2025eas (Type IIn)

2025/04/23
• Created entries for 3 GOTO supernovae, 9 PS1 supernovae, 3 XOSS supernovae, 19 ZTF supernovae
• Updated the entries for 2025cxf (Type II), 2025fed (Type Ia), 2025fve (Type II), 2025fwq (Type Ia), 2025gnn (Type Ia), 2025gvx (Type II), 2025gzv (Type Ia), 2025hct (Type Ia), 2025hda (Type II), 2025hdq (Type Ia), 2025hlm (Type Ia-91bg), 2025hlu (Type Ia), 2025hnr (Type Ia), 2025hoa (Type Ib), 2025hwq (Type Ia), 2025iae (Type II), 2025ian (Type Ia)

2025/04/22
• Created entries for 17 PS1 supernovae, 77 ZTF supernovae, 14 ATLAS supernovae, 2 BlackGEM supernovae, 4 GOTO supernovae, 3 MASTER supernovae
• Updated the entries for 2014ia (Type IIn), 2025hkq (Type Ia), 2025hmo (Type Ia), 2025hnv (Type Ia), 2025hwl (Type CV)

2025/04/21
• Created entries for 3 XOSS supernovae, 9 LAST supernovae, 47 ZTF supernovae, 4 ATLAS supernovae, 1 PS1 supernovae, 2 MASTER supernovae, 1 GOTO supernovae
• Updated the entries for 2025hmb (Type II)

2025/04/20
• Created entries for 2 XOSS supernovae, 50 PS1 supernovae, 1 LAST supernovae, 2 GOTO supernovae, 1 ATLAS supernovae, 19 DESIRT supernovae, 1 ZTF supernovae 20 ZTF supernovae, 2 ATLAS supernovae, 4 GOTO supernovae, 2 LAST supernovae, 6 PS1 supernovae
• Updated the entries for 2011kp (Type LRN), 2013lw (Type LRN), 2015fx (Type LRN), 2021aaff (Type Ia), 2021aalh (Type Ia), 2021aaxv (Type Ia), 2021abap (Type Ia), 2021abcz (Type Ib), 2021abik (Type Ia), 2021abjm (Type Ia), 2021acby (Type Ia), 2021acpa (Type Ia), 2021acvv (Type Ib), 2021acwe (Type Ia), 2021adee (Type Ia), 2021adni (Type Ia), 2021aeny (Type Ia), 2021afii (Type Ia), 2021afrk (Type Ia), 2021afus (Type Ia), 2021afwh (Type II), 2021ahyl (Type Ia), 2021ahyv (Type Ia), 2021fzv (Type Ia), 2021gdp (Type Ib), 2021gza (Type Ia), 2021hdo (Type Ib), 2021hmz (Type Ia), 2021hwj (Type Ib), 2021iah (Type Ia), 2021jzu (Type Ia), 2021kid (Type Ia), 2021lvo (Type Ia), 2021mbr (Type Ia), 2021omr (Type Ib), 2021pce (Type Ia), 2021pcx (Type Ia), 2021rkr (Type Ib), 2021rlo (Type Ia), 2021rnw (Type II), 2021txf (Type Ia), 2021vjv (Type Ib), 2021wmz (Type Ia), 2021xgy (Type II), 2021xkq (Type Ia), 2021xqu (Type Ia), 2021xvs (Type Ia), 2021ybh (Type Ia), 2022acw (Type II), 2022ako (Type Ia), 2022any (Type Ia), 2022axo (Type Ia), 2022beo (Type Ia), 2022bfq (Type Ib), 2022bkm (Type Ia), 2022bzy (Type Ia), 2022cdu (Type Ia), 2022cpg (Type Ia), 2022dia (Type Ia), 2022diz (Type Ia), 2022dss (Type Ia), 2022ede (Type Ia), 2022efc (Type Ia), 2022evs (Type Ia), 2022fox (Type Ia), 2022ftt (Type Ia), 2022gdq (Type Ia), 2022gdz (Type Ia), 2022geh (Type Ia), 2022gii (Type Ia), 2022gil (Type Ib), 2022gw (Type Ia), 2022hgs (Type Ia), 2022hnn (Type Ib), 2022hos (Type Ib), 2022igw (Type Ia), 2022imn (Type Ib), 2022ipc (Type Ia), 2022iqg (Type Ia), 2022itp (Type Ia), 2022jdw (Type Ia), 2022jsk (Type Ia), 2022kit (Type Ia), 2022kzc (Type Ia), 2025hes (Type Ia), 2011kq (Type LRN), 2025hkd (Type Ia)
• Added images of 2025bvm, 2025erh, 2025fbf, 2025fev, 2025fmt, 2025fmw, 2025fod, 2025fvw (Mag 15.1), 2025fwx, 2025gef, 2025gha, 2025ghw, 2025ghz, 2025gmc, 2025gvq, 2025gvs, 2025gwz, 2025hbn, 2025hfo, 2025hkk

2025/04/19
• Created entries for 22 PS1 supernovae, 51 DESIRT supernovae, 14 GOTO supernovae, 12 ATLAS supernovae, 1 ASAS-SN supernovae
• Updated the entries for 2008jd (Type ILRT), 2014ej (Type LRN)

2025/04/18
• Created entries for 10 GOTO supernovae, 12 ATLAS supernovae, 1 BlackGEM supernovae, 1 XOSS supernovae
• Updated the entries for 2025fak (Type TDE-He)
• Did some more archiving

2025/04/17
• Created entries for 1 PS1 supernovae, 8 GOTO supernovae, 2 BlackGEM supernovae, 1 ATLAS supernovae, 2 LAST supernovae
• Updated the entries for 2025dvf (Type IIb), 2025fly (Type Ib), 2025fuo (Type Ia), 2025grx (Type II), 2025gxc (Type Ia-pec), 2025gyf (Type Ia), 2025gyz (Type Ia)

2025/04/16
• Created entries for 15 ATLAS supernovae, 1 LAST supernovae, 26 ZTF supernovae, 8 GOTO supernovae, Nova M31 2025-04a? (= PNV J00423788+4107427 Mag 16.4 in M31), Nova M31 2025-04b? (= PNV J00424112+4115024 Mag 17.4 in M31), Nova M31 2025-04c? (= PNV J00433279+4116281 Mag 16.6 in M31)
• Updated the entries for 2021abw (Type Ia), 2024lwd (Type Ia), 2024nnu (Type Ia), 2025eqe (Type SLSN-II), 2025fnx (Type Ia), 2025gvz (Type Ia), 2025hjt (Type Ia-91T)

2025/04/15
• Created entries for 13 ZTF supernovae, 4 ATLAS supernovae, 1 GOTO supernovae, 1 PS1 supernovae, 2 Fritz supernovae
• Updated the entries for 2025ggm (Type Ia), 2025gvy (Type Ia), 2025hjz (Type Ia)

2025/04/14
• Created entries for 5 ATLAS supernovae, 13 PS1 supernovae, 6 GOTO supernovae, 3 ZTF supernovae, 1 BlackGEM supernovae, 1 Ziyang Mai supernovae
• Updated the entries for 2023fre (Type Ia), 2025fto (Type Ia), 2025gfb (Type IIn), 2025gsx (Type Ia), 2025heg (Type Ia)

2025/04/13
• Created entries for 1 ATLAS supernovae, 47 PS1 supernovae
• Updated the entries for 2025fae (Type Ia), 2025fax (Type Ia), 2025gha (Type Ia), 2025gsk (Type Ia), 2025gtc (Type Ia)
• Added images of 2024abfl (Mag 18.5), 2025bvm (Mag 16.4), 2025efc (Mag 15.0), 2025erh, 2025fbf, 2025fbj, 2025fev, 2025fmw, 2025fob, 2025fvw (Mag 14.9), 2025fwx, 2025gef, 2025ghw, 2025gmc (Mag 19.4), 2025gvs, 2025hbn

2025/04/12
• Created entries for 1 ATLAS supernovae, 60 PS1 supernovae, 2 MASTER supernovae, 1 Tadashi Kojima supernovae
• Updated the entries for 2025glr (Type Ia), 2025gzh (Type Ia), 2025hcn (Type Ic)

2025/04/11
• Created entries for 4 ZTF supernovae, 2 MASTER supernovae 30 ZTF supernovae, 1 ATLAS supernovae, 3 GOTO supernovae, 1 MASTER supernovae
• Updated the entries for 2025ezz (Type Ia), 2025fnp (Type Ia), 2025fua (Type Ia), 2025fww (Type Ia), 2025gly (Type Ia), 2025gmy (Type Ia), 2025hcw (Type Ia), 2025hcx (Type Ia), 2025gvq (Type Ia), 2025gxs (Type Ia)

2025/04/10
• Created entries for 20 ZTF supernovae, 2 GOTO supernovae, 2 XOSS supernovae, 2 ATLAS supernovae
• Updated the entries for 2025frc (Type Ia), 2025gwz (Type Ia), 2025gyt (Type Ia), 2025gzm (Type Ia)

2025/04/09
• Created entries for 22 ZTF supernovae, 1 XOSS supernovae
• Updated the entries for 2025hbn (Type Ia)

2025/04/08
• Created entries for 32 DESIRT supernovae, 30 ZTF supernovae, 5 ATLAS supernovae, 2 XOSS supernovae, 2 BlackGEM supernovae, 1 GOTO supernovae
• Updated the entries for 2022aeyw (Type Ia), 2025dii (Type II), 2025ewa (Type Ia), 2025ezw (Type II), 2025faw (Type Ia), 2025fky (Type Ia), 2025ftb (Type Ia), 2025gmc (Type Ia), 2025qf (Type II)

2025/04/07
• Created entries for 21 ZTF supernovae, 10 ATLAS supernovae, 4 XOSS supernovae, 1 MASTER supernovae, 7 GOTO supernovae, 2 PS1 supernovae, 21 GW-MMADS supernovae
• Updated the entries for 2024aelk (Type AGN), 2025bfa (Type II), 2025esp (Type SN), 2025evb (Type Ia), 2025fbt (Type Ia), 2025fbu (Type Ia-91T), 2025fhn (Type Ia), 2025fhs (Type Ia), 2025fvw (Type Ia), 2025fxb (Type Ia), 2025gcv (Type Ia-02cx), 2025ghe (Type Ia), 2025ghw (Type Ia), 2025gjo (Type Ia), 2025glz (Type Ia), 2025gvr (Type Ia)

2025/04/06
• Created entries for 8 ZTF supernovae, 11 GOTO supernovae, 1 Fritz supernovae, 1 ATLAS supernovae
• Updated the entries for 2025eqi (Type Ia), 2025eqq (Type Ia), 2025fde (Type Ia), 2025fdu (Type Ia), 2025frd (Type Ia), 2025fwx (Type Ia)
• Added images of 2024afyu, 2025bl, 2025bvm, 2025coe (Mag 18.7), 2025evw (Mag 15.9), 2025fvw (Mag 15.1), 2025ggm, 2025gj (Mag 17.0)

2025/04/05
• Created entries for 10 GOTO supernovae, 5 DESIRT supernovae, 2 BlackGEM supernovae, 4 LAST supernovae, 3 ZTF supernovae, 8 PS1 supernovae, 2 MASTER supernovae, 3 ATLAS supernovae, 1 XOSS supernovae, 11 GW-MMADS supernovae, Nova M81 2025-04a? (= PNV J09553921+6902382 Mag 19.6 in M81)
• Updated the entries for 2025cnu (Type Ic-BL), 2025ezk (Type Ia), 2025fdu (Type Ia), 2025fep (Type Ia), 2025fov (Type Ia), 2025ftn (Type Ia), 2025fwk (Type Ia), 2025fwp (TYpe II), 2025gef (Type Ia), 2025gfc (Type Ia-91T), 2025gjp (Type II), 2025glx (Type Ic), 2025gnn (Type CV), 2025gnt (Type Ia)

2025/04/04
• Created entries for 1 Wataru Kakei supernovae, 23 GOTO supernovae, 4 ATLAS supernovae, 1 BlackGEM supernovae, 1 GEOTS supernovae

2025/04/03
• Created entries for 2 ATLAS supernovae, 20 GOTO supernovae 11 ATLAS supernovae, 84 PS1 supernovae, 2 XOSS supernovae, 2 BlackGEM supernovae, 2 LAST supernovae
• Updated the entries for 2014gf (Type IIn), 2025ezb (Type Ia), 2025fvw (Type Ia) 2024agir (Type SLSN-I), 2025fev (Type Ia), 2025gjc (Type IIn), 2025gkg (Type Ia)

2025/04/02
• Created entries for 10 PS1 supernovae, 1 MASTER supernovae, 2 ZTF supernovae 13 ATLAS supernovae, 21 DESIRT supernovae, 2 MASTER supernovae, 7 PS1 supernovae, 27 WFST supernovae, 1 BlackGEM supernovae, 1 Yuan-Sheng Tsai supernovae
• Updated the entries for 2020skk (Type SN, was LRN)

2025/04/01
• Created entries for 3 MASTER supernovae, 10 ZTF supernovae, 8 PS1 supernovae, 8 ATLAS supernovae
• Updated the entries for 2024acxh (Type IIn), 2025fel (Type Ia), 2025fvt (Type Ia), 2025geg (Type Ia)

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