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.

2025/05/31
• Created entries for 19 ATLAS supernovae 22 WFST supernovae, 7 ZTF supernovae, 2 PS1 supernovae, 1 ATLAS supernovae, 3 GOTO supernovae, 3 LAST supernovae
• Updated the entries for 2025lsd (Type Ia), 2025lws (Type Ia), 2025lxm (Type Ia-91bg), 2025lxv (Type Ia), 2025mbb (Type Ia), 2025mlu (Type Ia), 2025mgx (Type Ic), 2025mlr (Type Ia)

2025/05/30
• Created entries for 1 ATLAS supernovae, 27 WFST supernovae, 2 PS1 supernovae, 3 LAST supernovae, 3 ZTF supernovae, 2 GOTO supernovae
• Updated the entries for 2025lyj (Type Ia), 2025mbj (Type Ia), 2025mbp (Type Ia), 2025mjb (Type Ia), 2025mje (Type Ia), 2025kyu (Type Ia), 2025lfn (Type Ia), 2025lga (Type Ia), 2025lsr (Type SN), 2025lwz (Type IIn), 2025lzu (Type SN)
• Added images of 2025ccu, 2025eqj, 2025fvw (Mag 16.3), 2025gvs (Mag 15.9), 2025kfm, 2025kyg, 2025kzr

2025/05/29
• Created entries for 16 ATLAS supernovae, 11 PS1 supernovae, 7 XOSS supernovae, 27 ZTF supernovae, 7 BlackGEM supernovae, AT2025mmr (Mag 17.8 in M33), AT2025mlk (Mag 19.6 in M81), 8 LAST supernovae
• Updated the entries for 2018mpl (Type IIb), 2025dda (Type AGN), 2025kil (Type Ia), 2025krj (Type Ia), 2025ktf (Type Ic), 2025kyy (Type Ia), 2025kzr (Type IIn), 2025lsp (Type Ia), 2025mcn (Type Ia), 2025ug (Type TDE)

2025/05/28
• Created entries for 12 LAST supernovae, 26 PS1 supernovae, 15 ATLAS supernovae, 23 ZTF supernovae, AT2025mho (Mag 18.4 in M31), Nova M81 2025-05a? (= PNV J09552357+6907546 Mag 19.6 in M81), 1 XOSS supernovae
• Updated the entries for 2025kkj (Type TDE), 2025lxx (Type TDE-He), 2025mbd (Type SN), 2025mbz (Type Ia)

2025/05/27
• Created entries for 5 PS1 supernovae, 31 ZTF supernovae, 1 Fink supernovae, 93 WFST supernovae, 2 LAST supernovae, 4 ATLAS supernovae, 2 GOTO supernovae, 1 MASTER supernovae
• Updated the entries for 2025gyi (Type II), 2025hjm (Type Ia), 2025hlf (Type II), 2025ixf (Type Ia), 2025jah (Type II), 2025jqx (Type SN), 2025kez (Type Ia), 2025khz (Type II), 2025klc (Type Ia), 2025kli (Type Ia), 2025kmt (Type Ia), 2025kpm (Type II), 2025lgu (Type Ia), 2025lis (Type Ia), 2025liw (Type Ia), 2025lyh (Type II)

2025/05/26
• Created entries for 14 ZTF supernovae, 7 ATLAS supernovae, 2 PS1 supernovae 1 BlackGEM supernovae, 1 GOTO supernovae, 5 ZTF supernovae, 1 XOSS supernovae, 16 PS1 supernovae, 1 ATLAS supernovae, 1 LAST supernovae
• Updated the entries for 2025kla (Type Ia), 2025ljw (Type Ia), 2025lkw (Type Ia), 2025lmb (Type II), 2025lwn (Type Ia), 2025lwt (Type Ia), 2025lwx (Type Other), 2025lxe (Type II), 2025lxp (Type Ia), 2025lyf (Type Ia)
• Added images of 2023ixf (Mag 20.2), 2024aecm, 2025dge, 2025kyg, 2025kzr
• Did some archiving
• Added a web counter, something I told myself I wouldn't do.

2025/05/25
• Created entries for 74 ZTF supernovae, 1 XOSS supernovae, 57 ATLAS supernovae, 21 PS1 supernovae, 5 LAST supernovae, 20 GOTO supernovae, 1 Yuan-Sheng Tsai supernovae, 6 MASTER supernovae, 214 DESIRT supernovae, 1 Fritz supernovae, 3 BlackGEM supernovae, 1 ALeRCE supernovae, 1 ASAS-SN supernovae
• Updated the entries for 2025igm (Type Ia), 2025ijo (Type II), 2025imt (Type Ia-91T), 2025jyw (Type Ia), 2025kdt (Type Ia), 2025kdy (Type Ia-91T), 2025kef (Type Ia), 2025kfh (Type CV), 2025kjo (Type Ia), 2025kkq (Type II), 2025kno (Type Ia), 2025knp (Type Ia), 2025ktt (Type Ia), 2025kum (Type Ia), 2025kvi (Type II), 2025kwy (Type Ia), 2025kxm (Type II), 2025kxt (Type CV), 2025kyq (Type CV), 2025kzh (Type II), 2025lfw (Type Ia), 2025lhi (Type Ia-91T), 2025lic (Type SN), 2025ljm (Type Ia-SC), 2025lmc (Type Ia-91T), 2025lmg (Type Ia-91T)

2025/05/23
• Created entries for 7 XOSS supernovae, 13 ATLAS supernovae, 3 GOTO supernovae, 11 ZTF supernovae, 1 BTSbot_bot supernovae, 3 LAST supernovae
• Updated the entries for 2025kjb (Type Ia), 2025klk (Type Ia), 2025kzr (Type SN)
• Unplugging for a few days, see you on Monday.

2025/05/22
• Created entries for 15 ATLAS supernovae, 5 GOTO supernovae, 4 MASTER supernovae, 77 ZTF supernovae, 4 LAST supernovae, 3 XOSS supernovae, 144 WFST supernovae, 1 BlackGEM supernovae
• Updated the entries for 2025ina (Type Ia), 2025ivk (Type Ia-91T), 2025kfd (Type Ia), 2025khg (Type Ia), 2025khv (Type Ia), 2025kny (Type Ia), 2025kpa (Type Ia-91T), 2025kua (Type II), 2025kvd (Type CV), 2025kwj (Type CV), 2025kxe (Type Ia), 2025kxp (Type CV), 2025kxz (Type Ia-CSM), 2025kyh (Type II)
• Added images of 2016blu (Mag 17.1), 2024adix, 2025bco (Mag 16.2), 2025bvm, 2025cuf, 2025fel (Mag 15.6), 2025fvw (Mag 15.6), 2025gvs (Mag 15.9), 2025gxs (Mag 16.4), 2025iqz (Mag 16.3), 2025kfm, 2025kid, 2025kku, 2025kno

2025/05/21
• Created entries for 2025kyg (Mag 15.7 in NGC 7753) AT2025kyv (Mag 18.9 in M81) 9 GOTO supernovae, 5 XOSS supernovae, 4 BlackGEM supernovae, 26 ZTF supernovae, 8 ATLAS supernovae, 5 LAST supernovae
• Updated the entries for 2017abr (Type CV), 2025iah (Type Ia), 2025ikl (Type Ib), 2025ikn (Type Ia), 2025ivo (Type Ia), 2025iwh (Type Ia-91bg), 2025jnz (Type II), 2025jqr (Type II), 2025jtq (Type II), 2025jyf (Type Ia), 2025jyl (Type II), 2025kfd (Type Ia), 2025khl (Type Ia), 2025kki (Type Ia), 2025klo (Type Ia), 2025klw (Type Ia), 2025kmd (Type Ia), 2025knh (Type Ia), 2025kyb (Type CV), 2025kyg (Type Ia)

2025/05/20
• Created entries for 28 ZTF supernovae, 1 LAST supernovae, 37 DESIRT supernovae, AT2025kvc (Mag 18.1 in M31) 1 GOTO supernovae, 4 PS1 supernovae, 5 ATLAS supernovae
• Updated the entries for 2025efq (Type Ic), 2025fca (Type Ia), 2025gsa (Type IIn), 2025hpa (Type Ic), 2025hzd (Type Ia), 2025ieh (Type Ia), 2025igr (Type Ia-91T), 2025ihm (Type Ia), 2025iic (Type Ia), 2025ijj (Type Ia), 2025ikg (Type Ia), 2025irc (Type Ia), 2025iyj (Type Ia-91T), 2025izs (Type Ia), 2025jxn (Type Ia), 2025jzi (Type II), 2025kne (Type SN), 2025ktz (Type II)

2025/05/19
• Created entries for 4 GOTO supernovae, 12 ATLAS supernovae, 28 ZTF supernovae, 4 PS1 supernovae, 60 DESIRT supernovae, 1 MASTER supernovae
• Updated the entries for 2025cbj (Type IIn), 2025ghd (Type II), 2025iwa (Type Ia), 2025jzl (Type Ia), 2025kfa (Type Ia), 2025khk (Type Ia), 2025krk (Type Ia)

2025/05/18
• Created entries for 12 ATLAS supernovae, 4 PS1 supernovae, 3 GOTO supernovae
• Updated the entries for 2025kid (Type Ia)

2025/05/17
• Created entries for 26 ZTF supernovae, 16 GOTO supernovae, 1 PS1 supernovae, 20 ATLAS supernovae, 2 Fritz supernovae, 5 LAST supernovae, 1 ALeRCE supernovae, 2 XOSS supernovae
• Updated the entries for 2025ixj (Type Ia), 2025ixm (Type Ia), 2025izg (Type Ia-91bg), 2025joi (Type Ia), 2025khu (Type Ia)

2025/05/16
• Created entries for 1 ATLAS supernovae, 13 ZTF supernovae, 1 GOTO supernovae
• Added images of 2004dj, 2012aw, 2020fqv, 2020ssf, 2020uxz, 2021hiz, 2023ixf, 2024aeee, 2024afyu, 2025adj, 2025auk, 2025baq (unconfirmed), 2025bco, 2025bvm, 2025dju, 2025dkj, 2025dzm, 2025fvw, 2025fwg, 2025gmy, 2025gnt, 2025gvs, 2025gvy, 2025hes, 2025hnv, 2025hwp, 2025hzo, 2025iae, 2025idy, 2025iew, 2025iik, 2025ilp, 2025imm, 2025ino, 2025iqz, 2025jus (Mag 17.5), 2025kfm, 2025kid, 2025kjq (Mag 15.4)

2025/05/15
• Created entries for 1 XOSS supernovae, 1 MASTER supernovae, 35 ZTF supernovae, 2 ATLAS supernovae
• Updated the entries for 2025hch (Type II), 2025imr (Type SLSN-I), 2025iqz (Type Ia), 2025jae (Type Ia), 2025jak (Type Ia), 2025khn (Type Ia)

2025/05/14
• Created entries for 5 ZTF supernovae, 1 GOTO supernovae
• Updated the entries for 2025hda (Type II), 2025khp (Type Ia), 2025kja (Type II)

2025/05/13
• Created entries for 1 ATLAS supernovae, 1 ZTF supernovae, 1 DESGW supernovae, 3 MASTER supernovae
• Updated the entries for 2024abby (Type Ia), 2024ablj (Type II), 2024afpl (Type IIn), 2025atx (Type Nova), 2025gyg (Type IIb), 2025hmc (Type IIb), 2025hpl (Type Ia), 2025hsr (Type Ia), 2025hxl (Type Ia), 2025hxt (Type Ib), 2025kdv (Type Ia), 2025kiu (Type Ia), 2025pp (Type II)
• Full moon....

2025/05/12
• Created entries for 2 XOSS supernovae, 1 ATLAS supernovae, 11 ZTF supernovae, 4 GOTO supernovae, 1 MASTER supernovae, 1 Fritz supernovae, 1 BlackGEM supernovae, AT2025kit (Mag 17.8 in M31)
• Updated the entries for 2025iqb (Type II), 2025iqz (Type Ia), 2025jbm (Type II), 2025jos (Type Ia), 2025jzi (Type SN), 2025jzn (Type Ia), 2025kbh (Type II), 2025kfm (Type Ia), 2025khe (Type Ic)

2025/05/11
• Created entries for 11 ZTF supernovae, 4 ATLAS supernovae, 1 MASTER supernovae, 2 Jingyuan Zhao supernovae
• Updated the entries for 2025ihl (Type Ia), 2025kei (Type Ia), 2025kfn (Type II), 2025kgw (Type Ia)

2025/05/10
• Created entries for 22 ZTF supernovae, 4 PS1 supernovae, 5 ATLAS supernovae, 1 XOSS supernovae
• Updated the entries for 2025jyk (Type Ia)
• Added images of 2023ixf (Mag 20.2), 2024abup (Mag 14.9), 2024aeee (Mag 16.2), 2025aue (Mag 15.0), 2025bco (Mag 16.2), 2025bvm, 2025coe (Mag 17.2), 2025dzm, 2025fvw (Mag 13.6), 2025gvs (Mag 15.3), 2025hcj, 2025hpa, 2025ijg, 2025imr, 2025ivi, 2025jpj, 2025jup, 2025oq (Mag 15.7)

2025/05/09
• Created entries for 2 XOSS supernovae, 4 ATLAS supernovae, 24 DESIRT supernovae, 1 PS1 supernovae, 25 ZTF supernovae, 1 Fritz supernovae
• Updated the entries for 2025emd (Type II), 2025ius (Type Ia), 2025ivc (Type II), 2025jqj (Type Ia), 2025jus (Type Ia)

2025/05/08
• Created entries for 13 ZTF supernovae, 1 MASTER supernovae, 2 XOSS supernovae, 1 ATLAS supernovae 1 XOSS supernovae, 7 ATLAS supernovae, 5 ZTF supernovae, 60 WFST supernovae
• Updated the entries for 2021gqu (Type Ia-pec), 2024zxj (Type II), 2025gjc (Type II), 2025gxf (Type Ia-91T), 2025iik (Type Ia), 2025ino (Type IIb), 2025jyl (Type SN), 2025pb (Type Ic) 2025asm (Type Ia), 2025efq (Type Ic), 2025hny (Type CV), 2025hte (Type Ia), 2025ija (Type Ic-BL), 2025imw (Type Ia), 2025inh (Type Ia), 2025qr (Type II)

2025/05/07
• Created entries for AT2025jyk (Mag 17.0 in ESO-238-G-005), 45 PS1 supernovae, 11 ZTF supernovae, 2 XOSS supernovae, 6 GOTO supernovae, 19 ATLAS supernovae
• Updated the entries for 2025eux (Type Ib/c), 2025ezt (Type II), 2025jsh (Type Ia)

2025/05/06
• Created entries for 77 PS1 supernovae, 9 ATLAS supernovae, 5 GOTO supernovae, 1 MASTER supernovae
• Updated the entries for 2025igf (Type Ia), 2025iig (Type Ia-91T), 2025imm (Type Ia-91bg), 2025jpj (Type CV)

2025/05/05
• Created entries for 1 LAST supernovae, 82 PS1 supernovae, 3 ZTF supernovae, 1 ASAS-SN supernovae, 29 ATLAS supernovae, 3 GOTO supernovae, 2 MASTER supernovae
• Updated the entries for 2025ikn (Type Ia), 2025imc (Type Ia), 2025imp (Type Ibn), 2025izf (Type Ia), 2025izo (Type Ia)

2025/05/04
• Created entries for 1 LAST supernovae, 19 PS1 supernovae, 1 GEOTS supernovae, 5 XOSS supernovae, 5 ATLAS supernovae, 1 GOTO supernovae, 12 ZTF supernovae
• Updated the entries for 2024aifs (Type IIn), 2025esr (Type SLSN-I), 2025ewp (Type II), 2025fds (Type II), 2025fen (Type II), 2025fmr (Type Ib), 2025fry (Type Ia-CSM), 2025gnv (Type Ia), 2025gxr (Type Ia), 2025gyo (Type Ia), 2025gyy (Type Ia), 2025hjv (Type Ia), 2025hma (Type Ia), 2025hmd (Type Ia), 2025hsh (Type II), 2025hsv (Type Ia), 2025hyv (Type Ia), 2025hzj (Type Ia), 2025iav (Type Ia), 2025ift (Type Ia), 2025ilp (Type Ia), 2025ime (Type Ia), 2025imw (Type Ia), 2025iym (Type Ia), 2025izc (Type Ia), 2025jot (Type Ia)

2025/05/03
• Created entries for 8 ZTF supernovae, 5 GOTO supernovae, 317 WFST supernovae, 3 ATLAS supernovae, 1 PS1 supernovae, 3 LAST supernovae
• Updated the entries for 2025hmt (Type Ia), 2025htd (Type Ia-02cx), 2025htg (Type Ia), 2025hzx (Type CV), 2025hzz (Type Ia), 2025idy (Type Ia), 2025ilo

2025/05/02
• Created entries for 9 ATLAS supernovae, 11 PS1 supernovae, 19 ZTF supernovae, 1 GOTO supernovae 22 ZTF supernovae, 4 ATLAS supernovae, 1 MASTER supernovae, 1 GOTO supernovae, 1 Mi Zhang supernovae
• Updated the entries for 2021spw (Type Ia), 2023aece (Type AGN), 2025ebh (Type II), 2025hnt (Type Ia), 2025iew (Type II), 2025igx (Type CV) 2025hbw (Type TDE), 2025iaa (Type Ia), 2025imk (Type Ia), 2025ixe (Type Ia), 2025ixn (Type Ia)
• Added images of 1954A, 2016blu (Mag 16.7), 2023ixf (Mag 20.2), 2025bvm, 2025djn, 2025erh, 2025fvw, 2025gcv, 2025geg, 2025hjz (Mag 16.4), 2025hkd, 2025hoz, 2025ipo

2025/05/01
• Created entries for 3 PS1 supernovae, 5 ATLAS supernovae, 40 ZTF supernovae, 1 GOTO supernovae, 5 XOSS supernovae 42 PS1 supernovae, 46 ZTF supernovae, 2 XOSS supernovae, 5 MASTER supernovae, 4 ATLAS supernovae, 4 GOTO supernovae
• Updated the entries for 2025ebh (Type II), 2025fpp (Type SLSN-I), 2025hdw (Type Ia), 2025hlb (Type Ia), 2025hnt (Type Ia), 2025hnz (Type Ia), 2025icm (Type Ia), 2025ihu (Type Ic)

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