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.

2026/05/06
• Created entries for 7 ATLAS supernovae, 16 GOTO supernovae, 1 MASTER supernovae, 1 BlackGEM supernovae, 4 PS1 supernovae
• Updated the entries for 2026jcw (Type IIn), 2026koi (Type Ic-BL), 2026lcl (Type II), 2026lkn (Type SN), 2026lky (Type Ia)

2026/05/05
• Created entries for 4 SGLF supernovae, 17 ATLAS supernovae, 20 GOTO supernovae, 4 SAGUARO_Bot1 supernovae, 6 WFST supernovae, 1 GEOTS supernovae, 1 XOSS supernovae, 1 Ziyang Mai supernovae, 1 ZTF supernovae, 1 PS1 supernovae
• Updated the entries for 2026kfd (Type Ia), 2026kir (Type Ia), 2026kiw (Type Ia), 2026kiz (Type Ia), 2026kjm (Type Ia), 2026koe (Type Ia), 2026kuh (Type Ia), 2026kui (Type II), 2026kye (Type II), 2026kyf (Type Ia), 2026kyg (Type Ia), 2026kzy (Type Ia), 2026lav (Type Ia), 2026law (Type SLSN-I), 2026lba (Type Ia), 2026ldw (Type Ia), 2026lec (Type IIb), 2026lel (Type Ia), 2026lfm (Type Ic), 2026ljl (Type Ia)

2026/05/04
• Created entries for 11 ATLAS supernovae, 56 WFST supernovae, 7 ZTF supernovae, 4 GOTO supernovae, 1 MASTER supernovae, 1 PS1 supernovae
• Updated the entries for 2026fhx (Type SN), 2026jmu (Type Ia), 2026kba (Type IIb), 2026kbo (Type Ia), 2026kcg (Type Ia), 2026kep (Type Ia), 2026kgw (Type Ia), 2026khv (Type Ia), 2026kib (Type Ia), 2026kob (Type Ia), 2026kpn (Type Ic), 2026kut (Type IIn), 2026kza (Type Ia), 2026lau (Type Ia), 2026lda (Type Ia), 2026hdx (Type SLSN-II), 2026hnc (Type Ia), 2026kfb (Type Ia), 2026kis (Type Ia), 2026kit (Type Ia), 2026kne (Type Ia), 2026koy (Type Ia), 2026kyj (Type Ia), 2026kyo (Type II), 2026lfo (Type Ia-91T), 2026lga (Type Ia), 2026lhu (Type Ia)
• Added images of 2016blu (Mag 17.2), 2026eqj, 2026ewd (Mag 17.1), 2026fov, 2026fvx (Mag 14.0), 2026gud (Mag 15.0), 2026gwx (Mag 16.7), 2026gzx (Mag 16.1), 2026ihi (Mag 17.3), 2026ixd (Mag 17.2), 2026jlm (Mag 15.6), 2026joh (Mag 17.6), 2026jsg (Mag 16.3), 2026jth (Mag 17.9), 2026jxj, 2026kia (Mag 16.5), 2026kid (Mag 15.9), 2026kie, 2026kmo (Mag 18.0), 2026kmz (Mag 17.4), 2026knu (Mag 19.0), 2026kqq (unconfirmed)

2026/05/03
• Created entries for 3 ATLAS supernovae, 7 ZTF supernovae

2026/05/02
• Created entries for 17 ZTF supernovae, 9 WFST supernovae, 6 ATLAS supernovae, 1 SGLF supernovae
• Updated the entries for 2026gwc (Type IIP), 2026jeg (Type Ia), 2026kof (Type Ia), 2026krh (Type Ia), 2026lat (Type SLSN-II)

2026/05/01
• Created entries for 4 WFST supernovae, 5 ZTF supernovae, 6 ATLAS supernovae
• Updated the entries for 2026joh (Type II), 2026kie (Type Ib), 2026kqy (Type Ia)
• Added images of 2026evv (Mag 18.0), 2026fjc, 2026fsf, 2026fvx (Mag 13.2), 2026icv (Mag 16.1), 2026ihi, 2026iyr, 2026jla (Mag 18.2), 2026jlm, 2026jsg, 2026key (Mag 16.5), 2026kid, 2026lab
• Full moon.

2026/04/30
• Created entries for 11 ATLAS supernovae, 5 MASTER supernovae, 1 GOTO supernovae, 16 ZTF supernovae, 3 SGLF supernovae, 8 WFST supernovae, 5 LVRA supernovae, 2 XOSS supernovae
• Updated the entries for 2026iif (Type Ia), 2026ivc (Type Ia), 2026jqr (Type Ia), 2026jqy (Type IIn), 2026jxj (Type Ia), 2026kac (Type Ia), 2026kcf (Type Ia), 2026knu (Type IIb), 2026laq (Type Ia)

2026/04/29
• Created entries for 6 GOTO supernovae, 27 ZTF supernovae, 1 XOSS supernovae, 22 WFST supernovae, 2 LAST supernovae
• Updated the entries for 2026iyp (Type Ia), 2026jkk (Type Ia), 2026jnc (Type Ia)
• Added images of 2026ayt (Mag 14.1), 2026bsv, 2026ejy (Mag 17.0), 2026evz, 2026fin (Mag 16.6), 2026fjc (Mag 15.9), 2026fuz (Mag 18.9), 2026fvx (Mag 14.3), 2026gwx (Mag 15.2), 2026icv (Mag 15.8), 2026jlm (Mag 15.2), 2026kid, Yes, I know I have more images to load, but I ran out of time....

2026/04/28
• Created entries for 7 GOTO supernovae, 15 ZTF supernovae, 15 WFST supernovae, 1 BlackGEM supernovae
• Updated the entries for 2026fqv (Type Ic-BL), 2026hdq (Type II), 2026iet (Type II), 2026jeo (Type Ia), 2026jfw (Type Ia), 2026jgn (Type Ia), 2026jna (Type Ia), 2026jov (Type Ia), 2026kcp (Type Ia), 2026key (Type Ia), 2026kif (Type II), 2026kjq (Type SLSN-I), 2026kjv (Type Ia-91bg), 2026kmo (Type II), 2026krc (Type Ia)

2026/04/27
• Created entries for 18 GOTO supernovae, 7 ATLAS supernovae, 26 WFST supernovae, 3 SGLF supernovae, 1 PS1 supernovae
• Updated the entries for 2026fdp (Type II), 2026jnj (Type CV), 2026jyv (Type CV), 2026ken (Type Ia), 2026kqq (Type Impostor-SN)

2026/04/26
• Created entries for 1 GOTO supernovae, 1 GEOTS supernovae, 36 WFST supernovae 2 ATLAS supernovae 17 GOTO supernovae, 1 ATLAS supernovae, 4 PS1 supernovae
• Updated the entries for 2026jjp (Type Ia), 2026jtl (Type Ia), 2026jrz (Type Ia), 2026jzi (Type Ia), 2026kmm (Type SN)
• Added images of 2026dix, 2026fjc (Mag 15.9), 2026fvx, 2026gzx, 2026icv (Mag 15.9), 2026kia (Mag 16.5), 2026kid (Mag 16.0)

2026/04/25
• Created entries for 12 GOTO supernovae, 2 MASTER supernovae, 5 ATLAS supernovae, 1 PS1 supernovae, 25 WFST supernovae, 3 ZTF supernovae Nova M31 2026-04c? (= PNV J00425564+4114122 Mag 16.2 in M31) 1 SGLF supernovae, 24 GOTO supernovae, 1 MASTER supernovae, 16 ZTF supernovae, 1 XOSS supernovae, 1 ATLAS supernovae, 2 PS1 supernovae, 1 GEOTS supernovae
• Updated the entries for 2019idb (Type Ia), 2026ico (Type Ia), 2026jqv (Type Ia-pec), 2026jru (Type Ia), 2026kmz (Type Ia)
• Added images of 2026ctx, 2026ejy, 2026fhw, 2026fjc, 2026fvf, 2026fvx (Mag 14.0), 2026gud (Mag 15.0), 2026gwx, 2026gzx (Mag 16.1), 2026icv, 2026idu (Mag 16.3), 2026ixd (Mag 17.2), 2026jlm (Mag 15.6), 2026jth (Mag 17.9), 2026kia (Mag 16.2), 2026kid (lots of them..), 2026kie, 2026knu
• Interesting: 2026kqq in NGC 4532 2026jlm in NGC 5583 (which my algorithm missed!)

2026/04/24
• Created entries for 12 ZTF supernovae, 13 WFST supernovae, 17 GOTO supernovae, 1 Minrui Ning supernovae, 37 ATLAS supernovae, 1 MASTER supernovae
• Updated the entries for 2018hyc (Type AGN), 2026jkg (Type Ia), 2026kia (Type II), 2026kid (Type II)
• Interesting AT2026knu in NGC 3135, AT2026knm in IC 5080, AT2026kpj in UGC 11418

2026/04/23
• Created entries for Nova M31 2026-04b? (= PNV J00433502+4146280 Mag 15.9 in M31), 8 ATLAS supernovae, 24 ZTF supernovae, 4 GOTO supernovae, 61 WFST supernovae, 1 Ziyang Mai supernovae, 2 MASTER supernovae
• Updated the entries for 2025ahbd (Type AGN), 2026hbk (Type Ia), 2026hct (Type IIP), 2026hlk (Type IIn), 2026hnc (Type Ia), 2026irs (Type Ia), 2026irt (Type TDE-He), 2026jej (Type Ia), 2026kid (Type II), 2026kie (Type I)
• Added images of 2016blu (Mag 17.0), 2025adje, 2026bzj (Mag > 19.0), 2026dix (Mag 16.8), 2026dsy (Mag > 19.0), 2026ejy, 2026exe, 2026fov, 2026fsf (Mag 17.6), 2026fvx (Mag 13.1), 2026gud (Mag 16.6), 2026gwx (Mag 16.2), 2026gzx (Mag 15.1), 2026hfw, 2026hkg (Mag 15.0), 2026hvw, 2026icv, 2026ihi (Mag 17.6), 2026iur (unconfirmed), 2026jol, 2026jyw, 2026kid, 2026kie

2026/04/22
• Created entries for 5 SGLF supernovae, 20 ATLAS supernovae, 15 GOTO supernovae, 1 Yasuo Sano supernovae, 1 ASAS-SN supernovae, 1 ZTF supernovae, 5 LVRA supernovae, 3 PS1 supernovae
• Updated the entries for 2026atw (Type IIP), 2026kbs (Type Ib/c)
• Interesting: AT2026kid in NGC 5907 at Mag 16.6 and rising, AT2026kia in MCG -03-28-017 at Mag 16.2 and rising, and AT2026kie in NGC 3437

2026/04/21
• Created entries for 4 PS1 supernovae, 14 GOTO supernovae, 4 SGLF supernovae, 21 ZTF supernovae, 1 XOSS supernovae, 1 MASTER supernovae, 3 LVRA supernovae, 8 ATLAS supernovae
• Updated the entries for 2023adta (Type Ic-BL), 2025ogs (Type Ia), 2026fcl (Type II-pec), 2026jsg (Type Ia)

2026/04/20
• Created entries for 12 ATLAS supernovae, 4 GOTO supernovae, 3 SGLF supernovae, 35 ZTF supernovae, 4 PS1 supernovae, 1 CRTS supernovae, 24 WFST supernovae, 1 Vitali Nevski supernovae, 4 MASTER supernovae
• Updated the entries for 2026dvu (Type AGN), 2026fvm (Type II), 2026gal (Type Ia), 2026gwp (Type Ia), 2026hag (Type II), 2026hbn (Type Ic), 2026hor (Type Ia), 2026ict (Type Ic-BL), 2026iqu (Type Ic), 2026irv (Type Ia), 2026ixd (Type II), 2026jee (Type Ia), 2026jgt (Type II), 2026jpk (Type Ia), 2026jqi (Type Ic)

2026/04/19
• Created entries for 2 WFST supernovae, 1 SGLF supernovae, 21 ATLAS supernovae, 11 ZTF supernovae, 8 PS1 supernovae, 3 SAGUARO_Bot1 supernovae
• Updated the entries for 2022afah (Type Varstar), 2026fvx (Type Ia), 2026gzl (Type CV), 2026idf (Type CV), 2026ies (Type II), 2026ijo (Type Ia), 2026ivl (Type Ia), 2026iys (Type Ia), 2026jjk (Type Ia)

2026/04/18
• Created entries for 16 WFST supernovae, 14 ZTF supernovae, 2 GOTO supernovae, 2 MASTER supernovae, 34 PS1 supernovae
• Updated the entries for 2026cyb (Type IIn), 2026iho (Type Ia), 2026ihp (Type Ia), 2026ikk (Type Ia), 2026iqo (Type Ia), 2026isc (Type Ia), 2026iyf (Type Ia), 2026iyr (Type Ia), 2026jdw (Type Ia), 2026jgo (Type Ia), 2026jkf (Type Ia), 2026jqi (Type SN), 2026jth (Type Ia)

2026/04/17
• Created entries for 3 MASTER supernovae, 1 LAST supernovae, 1 Sarah Antier supernovae, 3 ZTF supernovae, 25 WFST supernovae 10 ZTF supernovae, 1 MASTER supernovae, 11 ATLAS supernovae, 3 GOTO supernovae, 6 PS1 supernovae, 1 XOSS supernovae, 3 Ziyang Mai supernovae, 2 SGLF supernovae, 1 GEOTS supernovae
• Updated the entries for 2026cjx (Type Ia-CSM), 2026ehr (Type IIb), 2026exy (Type Ib/c), 2026fqo (Type Ia), 2026heb (Type Ia-SC), 2026hir (Type TDE), 2026idu (Type II), 2026iei (Type Ia), 2026iht (Type Ia), 2026iqv (Type Ic), 2026iut (Type Ia), 2026jkb (Type Ia), 2026jlj (Type Ia), 2026joc (Type Ia), 2026hbm (Type II), 2026hdt (Type II)
• Added images of 2026acd (Mag 17.2), 2026azd, 2026dez, 2026ewd, 2026fjc, 2026fov (Mag 14.0), 2026fvx (Mag 13.2), 2026gud, 2026gwx (Mag 15.5), 2026huo, 2026hvw, 2026icv, 2026ihi (Mag 17.5), 2026iur (unconfirmed)
• Interesting: AT2026jvn in IC 4627 AT2026jvj in NGC 7407

2026/04/16
• Created entries for 32 WFST supernovae, 1 GOTO supernovae, 28 ZTF supernovae, 1 SGLF supernovae, 42 ATLAS supernovae, 2 PS1 supernovae
• Updated the entries for 2026cmq (Type SLSN-II), 2026eya (Type II), 2026feu (Type II), 2026hma (Type Ic-BL), 2026icw (Type Ia), 2026iko (Type II), 2026jeb (Type II), 2026joh (Type Ibn)

2026/04/15
• Created entries for 13 ZTF supernovae, 14 GOTO supernovae, 1 SAGUARO_Bot1 supernovae, 8 ATLAS supernovae, 1 Ziyang Mai supernovae, 1 Firstlight Bot supernovae, 1 SGLF supernovae, 1 XOSS supernovae
• Updated the entries for 2024aijd (Type II), 2026jlm (Type Ia)

2026/04/14
• Created entries for 16 ATLAS supernovae, 6 GOTO supernovae, 1 GEOTS supernovae, 6 SGLF supernovae, 1 ZTF supernovae, 4 LAST supernovae, 4 PS1 supernovae, 1 MASTER supernovae

2026/04/13
• Created entries for 6 SGLF supernovae, 34 GOTO supernovae, 3 MASTER supernovae, 13 LAST supernovae, 22 ATLAS supernovae, 1 ALeRCE supernovae, 5 SAGUARO_Bot1 supernovae, 46 WFST supernovae
• Updated the entries for 2026cni (Type SLSN-II), 2026fcl (Type SLSN-II), 2026hvw (Type Ia-02cx), 2026ioj (Type Flare), 2026jih (Type Ia)
• Added images of 2025ajmj, 2026acd, 2026ayt, 2026bjz, 2026cff, 2026dgt (Mag 20.4), 2026dix (Mag 15.9), 2026dpg, 2026ewd, 2026fjc (Mag 15.4), 2026fvx, 2026fyc, 2026fzb, 2026gud (Mag 16.5), 2026gzx, 2026hbm, 2026hnf (Mag 14.4), 2026ihi
• Interesting: 2026jkb in NGC 3778, 2026jla in NGC 5568

2026/04/12
• Created entries for 3 ZTF supernovae, 1 Ziyang Mai supernovae, 3 ATLAS supernovae, 1 Ágoston Horti-Dávid supernovae, 3 GOTO supernovae, 1 WFST supernovae, 1 PS1 supernovae
• Updated the entries for 2026dip (Type Ia), 2026hbj (Type Ia), 2026icy (Type Ic)

2026/04/11
• Created entries for 20 PS1 supernovae, 2 XOSS supernovae, 1 SGLF supernovae, 2 ATLAS supernovae, 4 GOTO supernovae, 7 LAST supernovae, 20 ZTF supernovae, Nova M31 2026-04a? (= PNV J00433836+4115324 Mag 17.2 in M31)
• Updated the entries for 2026cwe (Type II), 2026iur (Type Ia)

2026/04/10
• Created entries for 1 SAGUARO_Bot1 supernovae, 21 WFST supernovae, 16 ZTF supernovae, 40 ATLAS supernovae, 1 XOSS supernovae, 1 MASTER supernovae, 2 GOTO supernovae
• Updated the entries for 2026ics (Type Ia), 2026ieq (Type Ia)
• Added images of 2016blu, 2026ayt (Mag 14.6), 2026cff, 2026dix, 2026exz, 2026fjc, 2026fsf, 2026fvx (Mag 13.2), 2026gud, 2026gwx (Mag 15.7), 2026gzx (Mag 14.8), 2026ihi
• Interesting: 2026jef (in M94, probably a nova...)

2026/04/09
• Created entries for 4 SAGUARO_Bot1 supernovae, 8 GOTO supernovae, 1 CRTS supernovae, 20 ZTF supernovae, 87 WFST supernovae, 2 LVRA supernovae, 5 LAST supernovae, 1 ALeRCE supernovae
• Updated the entries for 2026any (Type SLSN-II), 2026bti (Type IIn), 2026eqt (Type II), 2026foe (Type Ia-91T), 2026hbc (Type II), 2026hbl (Type Ia), 2026hbq (Type Ia), 2026hlr (Type Ia), 2026iib (Type Ia), 2026iur (Type Ia)

2026/04/08
• Created entries for 25 ZTF supernovae, 1 Fink supernovae, 7 SAGUARO_Bot1 supernovae, 5 GOTO supernovae, 25 WFST supernovae, 1 SGLF supernovae, 4 LAST supernovae, 1 jiashuo Zhang supernovae
• Updated the entries for 2023aefw (Type Ia), 2026hea (Type Ia), 2026huo (Type Ia), 2026icv (Type Ia), 2026idh (Type Ic)

2026/04/07
• Created entries for 19 GOTO supernovae, 1 Firstlight Bot supernovae, 1 ASAS-SN supernovae, 8 PS1 supernovae, 1 GEOTS supernovae, 49 WFST supernovae, 1 jiashuo Zhang supernovae, 48 ZTF supernovae, 1 BlackGEM supernovae, 8 LAST supernovae, 1 Ziyang Mai supernovae, 1 MASTER supernovae
• Updated the entries for 2026ftp (Type SN), 2026hwd (Type Ia), 2026hyy (Type CV), 2026idq (Type II), 2026ihi (Type II), 2026ilv (Type Ia)

2026/04/06
• Created entries for 14 PS1 supernovae, 1 ALeRCE supernovae, 2 GOTO supernovae, 51 WFST supernovae, 1 ZTF supernovae, 7 ATLAS supernovae, 2 SGLF supernovae, 1 jiashuo Zhang supernovae, 1 Firstlight Bot supernovae, 1 XOSS supernovae, 1 LAST supernovae, 1 MASTER supernovae, 1 SAGUARO_Bot1 supernovae
• Updated the entries for 2026huy (Type Ia)
• Added images of 2026fjc (Mag 14.6), 2026fvx, 2026gwx (Mag 16.0), 2026ihi

2026/04/05
• Created entries for 3 SAGUARO_Bot1 supernovae, 17 ZTF supernovae, 1 jiashuo Zhang supernovae, 3 GOTO supernovae, 22 WFST supernovae 25 ZTF supernovae, 3 SGLF supernovae, 12 GOTO supernovae, 37 PS1 supernovae, 1 Firstlight Bot supernovae, 1 XOSS supernovae, 10 ATLAS supernovae, 61 WFST supernovae
• Updated the entries for 2026guy (Type Ia), 2026hac (Type Ia), 2026idz (Type Ia), 2026hiu (Type II), 2026hze (Type II)
• Added images of 2000ch (Mag 18.5), 2026acd (Mag 17.0), 2026ejy, 2026fjc (Mag 15.3), 2026fvx (Mag 13.4), 2026gwx (Mag 16.0), 2026hkg, 2026ihi (Mag 18.0)
• Intersting: 2026ihi at Mag 18.2 in NGC 3861

2026/04/04
• Created entries for 1 MASTER supernovae, 1 BlackGEM supernovae, 17 ZTF supernovae, 1 SGLF supernovae, 5 GOTO supernovae, 1 Firstlight Bot supernovae, 1 SAGUARO_Bot1 supernovae
• Updated the entries for 2025xtq (Type Ia-CSM), 2026bhb (Type Ia-91bg), 2026euy (Type II), 2026ewu (Type II), 2026fqk (Type Ia), 2026gul (Type Ia), 2026hbh (Type Ia-91bg)

2026/04/03
• Created entries for 10 ATLAS supernovae, 3 BlackGEM supernovae, 1 MASTER supernovae, 1 Firstlight Bot supernovae
• Added images of 2016blu, 2025ajmj (Mag 17.4), 2026acd, 2026cff, 2026dez (Mag 17.1), 2026dpg (Mag 16.0), 2026fij (Mag 17.5), 2026fjc (Mag 14.9), 2026fov, 2026fvx (Mag 14.2), 2026gwx (Mag 16.0), 2026gzx (Mag 15.2), 2026hkg, 2026hzd (Mag 16.5), 2026hze (Mag 16.0)
• Interesting: 2026idu in IC 5328B at Mag 16.9, 2026idh in ESO 126-G10

2026/04/02
• Created entries for 2 ATLAS supernovae, 14 ZTF supernovae, 4 WFST supernovae, 1 BlackGEM supernovae, 1 jiashuo Zhang supernovae
• Updated the entries for 2026fqk (Type Ia)

2026/04/01
• Created entries for 2 SGLF supernovae, 3 MASTER supernovae, 3 ATLAS supernovae, 1 PS1 supernovae, 38 WFST supernovae, 3 GOTO supernovae, 32 ZTF supernovae, 1 Firstlight Bot supernovae
• Updated the entries for 2026etu (Type Ia), 2026fdt (Type IIP), 2026gzx (Type Ic), 2026hle (Type Ia), 2026hwa (Type CV)

Errata