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.

2026/07/27
• Created entries for 20 ZTF supernovae, 27 GOTO supernovae, 7 WFST supernovae, 10 ATLAS supernovae
• Updated the entries for 2026mjz (Type IIn), 2026pxh (Type Ia), 2026uvu (Type Ia), 2026vts (Type Ia)

2026/07/26
• Created entries for 24 ZTF supernovae, 3 GOTO supernovae, AT2026wfl (Mag 20.0 in M31), 1 PS1 supernovae, 1 ATLAS supernovae
• Updated the entries for 2026str (Type Ia), 2026unl (Type Ia), 2026ved (Type IIb)

2026/07/25
• Created entries for 14 ZTF supernovae, 8 ATLAS supernovae, 2 GOTO supernovae, 1 Róbert Fidrich supernovae, 1 PS1 supernovae, 1 MASTER supernovae, 36 WFST supernovae
• Updated the entries for 2026egi (Type II), 2026kul (Type II), 2026lma (Type II), 2026nfw (Type II), 2026oqv (Type Ia), 2026pjx (Type Ia), 2026ppr (Type Ia), 2026reb (Type IIn), 2026ree (Type IIb), 2026rvq (Type Ia), 2026rwn (Type II), 2026sqv (Type II), 2026tjp (Type Ia), 2026tnd (Type II), 2026tra (Type Ia), 2026tut (Type Ia), 2026tvx (Type Ia), 2026txx (Type Ia), 2026uxp (Type Ia), 2026vbo (Type Ia), 2026ves (Type II)

2026/07/24
• Created entries for 5 ATLAS supernovae, 10 ZTF supernovae, 8 GOTO supernovae, 1 LAST supernovae
• Updated the entries for 2026sqf (Type SN), 2026uyf (Type Ia), 2026vec (Type Ia), 2026vhb (Type II)
• Added images of 2026fov (Mag 17.3), 2026kid (Mag 17.3), 2026ovz, 2026ree (Mag 18.9), 2026rvt, 2026sqf (Mag 11.6), 2026tmt (Mag 20.0), 2026ukg (Mag 15.3), 2026vba, 2026vhn

2026/07/23
• Created entries for 29 ZTF supernovae, 129 PS1 supernovae, 75 WFST supernovae, 42 ATLAS supernovae, 1 XOSS supernovae, 1 LAST supernovae
• Updated the entries for 2026qco (Type Ia), 2026uxq (Type Ia), 2026uzr (Type Ia), 2026vbd (Type Ia), 2026vbs (Type Ia), 2026vdr (Type Ia), 2026veg (Type Ia), 2026vfd (Type IIn)

2026/07/22
• Created entries for 29 GOTO supernovae, 22 PS1 supernovae, 1 Andrea Reguitti supernovae, 26 ZTF supernovae, 49 WFST supernovae, 1 ATLAS supernovae
• Updated the entries for 2026ovz (Type II), 2026rcf (Type Ia), 2026rez (Type II), 2026tzm (Type Ia), 2026vhb (Type II), 2026vhn (Type IIP), 2026vpp (Type CV)

2026/07/21
• Created entries for 6 SGLF supernovae, 100 PS1 supernovae, 8 ZTF supernovae, 15 GOTO supernovae, 5 ATLAS supernovae, 1 MASTER supernovae, 2 LAST supernovae
• Updated the entries for 2019aayp (Type Ia), 2026eqe (Type IIn), 2026nhq (Type Ia), 2026okk (Type Ia), 2026ord (Type Ia), 2026pab (Type Ia), 2026plu (Type Ia), 2026qfo (Type Ic-BL), 2026qtt (Type IIn), 2026roh (Type IIn), 2026see (Type Ia), 2026tqc (Type Ia-SC), 2026trp (Type Ib), 2026uwm (Type Ia), 2026uwp (Type Ia), 2026uxs (Type Ia), 2026uxu (Type Ia), 2026uxy (Type II)
• Interesting: AT2026vhn (Mag 16.9 in NGC 3241), AT2026vhf (Mag 19.9 in NGC 6184),

2026/07/20
• Created entries for 64 GOTO supernovae, 4 PS1 supernovae, 29 ATLAS supernovae, AT2026vdo (Mag 17.7 in M31), 17 ZTF supernovae, 6 LAST supernovae, 2 ALeRCE supernovae
• Updated the entries for 2026rms (Type I), 2026uve (Type Ib), 2026uxx (Type Ic), 2026vay (Type Ib), 2026vbh (Type Ia)

2026/07/19
• Created entries for 10 ATLAS supernovae, 4 ZTF supernovae, 1 Ziyang Mai supernovae, 3 LAST supernovae
• Updated the entries for 2026rms (Type I), 2026squ (Type Ia), 2026uxy (Type II)
• Added images of 2026fvx (Mag 16.8), 2026mho, 2026ojk (Mag 19.0), 2026oli, 2026qan, 2026sqf (Mag 11.7), 2026umq (vary faint in M83), 2026uwx, 2026uxx

2026/07/18
• Created entries for 3 ATLAS supernovae, 4 ZTF supernovae, 4 PS1 supernovae, 4 BlackGEM supernovae
• Updated the entries for 2024lwa (Type II), 2026hiw (Type IIn), 2026kxa (Type Ia), 2026mas (Type II), 2026mkd (Type Ib), 2026ojc (Type Ia), 2026opn (Type Ia), 2026osv (Type Ia), 2026plz (Type II), 2026poe (Type Ia), 2026ptz (Type II), 2026pun (Type II), 2026pwc (Type TDE-featur0.526), 2026qbg (Type Ia), 2026qbn (Type Ia), 2026qbq (Type Ic), 2026qil (Type Ia), 2026qiz (Type Ia), 2026qtq (Type Ia), 2026quf (Type Ia), 2026qvo (Type Ia), 2026rdf (Type Ic), 2026rea (Type Ia), 2026ret (Type IIb), 2026rwe (Type IIb), 2026snc (Type Ia), 2026srb (Type II), 2026srr (Type Ia), 2026trc (Type Ib), 2026uvn (Type Ic), 2026uwk (Type Ia), 2026uwl (Type Ia), 2026uyd (Type II)

2026/07/17
• Created entries for 26 ZTF supernovae, 1 ATLAS supernovae, 2 SGLF supernovae, 2 GOTO supernovae, 1 ASAS-SN supernovae
• Updated the entries for 2026kuv (Type Ia), 2026ptu (Type II), 2026qbk (Type Ib), 2026qtw (Type SLSN-II), 2026ryw (Type Ia), 2026unq (Type Ia), 2026uvw (Type Ia), 2026uyj (Type Ia)
• Added images of 2026ejy, 2026fov, 2026kid, 2026myp, 2026nyp (Mag 18.2), 2026oao, 2026ovz (Mag 15.6), 2026pel, 2026pzt (Mag 18.1), 2026qad (Mag 17.8), 2026rok, 2026rvt (Mag 18.8), 2026sqf (Mag 12.9), 2026ukg

2026/07/16
• Created entries for 15 WFST supernovae, 8 BlackGEM supernovae, 13 ZTF supernovae, 1 ASAS-SN supernovae, 7 LAST supernovae, 2 ATLAS supernovae, 1 COIN supernovae, 1 GOTO supernovae, 1 Andrey Voronov supernovae
• Updated the entries for 2026rvh (Type Ia), 2026tmv (Type Ia)
• Interesting: AT2026uxt (Mag 13.9 in M63, unconfirmed), AT2026uxx (Mag 16.9 in IC 2150), AT2026uyn (Mag 19.9 in NGC 1292)

2026/07/15
• Created entries for 15 GOTO supernovae, 49 ZTF supernovae, 1 ASAS-SN supernovae, 2 XOSS supernovae, 1 ATLAS supernovae, 21 PS1 supernovae, 1 Aidan Sedgewick supernovae, 15 LAST supernovae
• Updated the entries for 2025kzr (Type Ibn), 2026rwn (Type SN), 2026tis (Type CV), 2026tpt (Type Ia)

2026/07/14
• Created entries for AT2026uti in M31, 147 ALeRCE supernovae, 1 Taiga Sasaoka supernovae, 3 SAGUARO_Bot1 supernovae, 19 ATLAS supernovae, 2 Aidan Sedgewick supernovae, 7 SGLF supernovae, 13 LAST supernovae, 43 PS1 supernovae
• Updated the entries for 2026nbp (Type II), 2026oqr (Type IIP), 2026otd (Type Ia), 2026pph (Type Ia), 2026pyd (Type Ia), 2026rcy (Type SLSN-I), 2026sfn (Type Impostor-SN), 2026srw (Type Impostor-SN), 2026stj (Type Ia), 2026stu (Type Icn), 2026ukg (Type Ia)
• Interesting: AT2026umq at Mag 19.3 in M83

2026/07/13
• Created entries for 1 ASAS-SN supernovae, 49 ALeRCE supernovae, 4 PS1 supernovae, 1 ZTF supernovae, 1 ATLAS supernovae, 24 WFST supernovae, 3 GOTO supernovae, 12 LAST supernovae, 2 Peter Blanchard supernovae
• Updated the entries for 2026nwm (Type II), 2026oeh (Type Ia), 2026opo (Type Ia), 2026pce (Type Ia), 2026phz (Type Ia), 2026ppg (Type II), 2026pue (Type Ia), 2026rdg (Type Nova), 2026rhn (Type Ia), 2026riw (Type Ia), 2026roc (Type CV), 2026rvs (Type Ia), 2026stl (Type II), 2026trg (Type Ia), 2026twa (Type Ia), 2026twd (Type TDE-H-He), 2026tya (Type Ic), 2026uid (Type SLSN-I), 2026uii (Type Ia)

2026/07/12
• Created entries for 2 GOTO supernovae, 4 ATLAS supernovae, 73 PS1 supernovae, 2 ZTF supernovae, 71 ALeRCE supernovae, 55 WFST supernovae, 2 MASTER supernovae 1 MASTER supernovae, 14 ZTF supernovae, 7 SGLF supernovae, 1 BlackGEM supernovae, 11 GOTO supernovae, 25 LAST supernovae, 7 ATLAS supernovae, 30 PS1 supernovae, 71 ALeRCE supernovae, 8 WFST supernovae
• Updated the entries for 2026jlm (Type Ia), 2026nuv (Type Ia), 2026pkq (Type II), 2026pvk (Type Ia), 2026qpr (Type Ia-91T), 2026sdt (Type Ia), 2026stb (Type Nova), 2026rkg (Type Ia), 2026rol (Type Ia), 2026sqm (Type Ia), 2026stt (Type Ia), 2026sur (Type IIb), 2026tmt (Type Ia-91T)
• Added images of 2024ggi, 2026nmw (Mag 18.1), 2026pir (Mag 15.9), 2026rdg, 2026roc (Mag 18.1), 2026sqf (Mag 12.7, lots of them),

2026/07/11
• Created entries for 17 ZTF supernovae, 3 SGLF supernovae, 16 ATLAS supernovae, 8 GOTO supernovae, 7 XOSS supernovae, 16 LAST supernovae, 63 PS1 supernovae, 1 CRTS supernovae, 83 ALeRCE supernovae
• Updated the entries for 2026pkq (Type II), 2026pxh (Type Ia-91T), 2026qqp (Type Ia), 2026quc (Type Ia)

2026/07/10
• Created entries for 10 WFST supernovae, 10 ZTF supernovae, 2 SGLF supernovae, 1 GOTO supernovae, 1 Aidan Sedgewick supernovae, 1 Michael Camilo supernovae, 9 ATLAS supernovae, 353 ALeRCE supernovae
• Updated the entries for 2026btd (Type IIn), 2026fhh (Type IIn), 2026jln (Type II), 2026jqf (Type II), 2026ldm (Type II-pec), 2026miz (Type SLSN-II), 2026nac (Type II), 2026njw (Type II), 2026nkj (Type IIn), 2026npx (Type Ia), 2026nyl (Type Ia), 2026obe (Type Ia), 2026oev (Type Ia), 2026ogn (Type II), 2026omh (Type IIn), 2026ost (Type Ia), 2026pac (Type Ia), 2026pbh (Type Ia), 2026peb (Type II), 2026plj (Type Ia), 2026pmi (Type Ia), 2026pmr (Type Ia), 2026ppw (Type Ia), 2026pxp (Type Ia), 2026qad (Type Ibn), 2026rvo (Type Ia), 2026rwh (Type Ia)

2026/07/09
• Created entries for 15 ZTF supernovae, 14 WFST supernovae, 1 BlackGEM supernovae, 3 ATLAS supernovae, 1 Aidan Sedgewick supernovae, 1 MASTER supernovae, 2 LVRA supernovae, 1 SGLF supernovae, 15 GOATS_bot supernovae
• Updated the entries for 2026qtn (Type Ia-91T), 2026roc (Type SLSN-I), 2026rwk (Type Ia)
• Added images of 2026oig, 2026pkz, 2026sqf (Mag 13.4)

2026/07/08
• Created entries for 13 PS1 supernovae, 1 ATLAS supernovae, 22 ZTF supernovae, 1 LVRA supernovae 14 ZTF supernovae, 11 ATLAS supernovae, 1 Aidan Sedgewick supernovae, 1 Patrick Wiggins supernovae, 274 ALeRCE supernovae, 1 GEOTS supernovae, 1 CRTS supernovae, 10 WFST supernovae, 1 LVRA supernovae
• Updated the entries for 2026nqo (Type II), 2026off (Type II), 2026qrh (Type Ia), 2026qtn (Type Ia), 2026reu (Type Ia), 2026rld (Type Ia), 2024aijq (Type II), 2026oda (Type Ia), 2026puv (Type Ia), 2026pyo (Type Ia), 2026qdd (Type Ia), 2026qig (Type Ia), 2026qrk (Type Ia), 2026qua (Type Ib), 2026que (Type II), 2026res (Type Ia), 2026roo (Type II), 2026sqf (Type II)
• Added images of 2026ejy (Mag 16.3), 2026fov, 2026fvx, 2026kid, 2026nmw, 2026nyp (Mag 17.8, same field as 2026pzt), 2026oao (Mag 16.5), 2026pel, 2026pir, 2026pub, 2026pwl, 2026pxz, 2026pzt (Mag 18.2, same field as 2026nyp), 2026rdg (Mag 10.1), 2026sqf
• Interesting: 2026sqf in NGC 3310 at Mag 13.9! Finally a bright one!

2026/07/07
• Created entries for 12 ZTF supernovae, 1 ATLAS supernovae, 1 PS1 supernovae, 1 GOTO supernovae, 4 SGLF supernovae, 11 LVRA supernovae, 4 GOATS_bot supernovae

2026/07/06
• Created entries for 118 PS1 supernovae, 6 GOTO supernovae, 2 SGLF supernovae, 1 Rui Min supernovae, 58 ALeRCE supernovae, 4 ZTF supernovae 2 WFST supernovae, 12 ZTF supernovae, 8 LVRA supernovae, 7 GOTO supernovae, 1 SGLF supernovae, 63 PS1 supernovae, 1 ATLAS supernovae
• Updated the entries for 2026pxz (Type Ia), 2026qfd (Type Ia)

2026/07/05
• Created entries for 85 PS1 supernovae, 31 ATLAS supernovae, 58 ZTF supernovae, 127 WFST supernovae, 20 GOTO supernovae, 2 Ziyang Mai supernovae, 1 LAST supernovae, 1 ALeRCE supernovae, 1 Aidan Sedgewick supernovae, 1 BTSbot_bot supernovae, 1 MASTER supernovae, 28 NEXUS-bot supernovae
• Updated the entries for 2026fdo (Type IIP), 2026nsc (Type Ia-91T), 2026nwf (Type Ic), 2026ovl (Type Ia), 2026ovz (Type II), 2026pws (Type SLSN-II), 2026qdq (Type Ia), 2026qtz (Type Ia), 2026rhk (Type Ia), 2026rik (Type Ia)
• Back.

2026/07/02
• Created entries for 4 ATLAS supernovae, 13 ZTF supernovae, 6 LAST supernovae, 1 XOSS supernovae, 4 GOTO supernovae, 2 PS1 supernovae, 13 WFST supernovae
• Updated the entries for 2026pbk (Type II), 2026pkh (Type Ia)
• Unplugging for a few days, be back on Sunday.

2026/07/01
• Created entries for 182 ALeRCE supernovae, 5 ZTF supernovae, 4 LVRA supernovae, 1 SGLF supernovae, 4 GOATS_bot supernovae, 1 Paulo Cacella supernovae, 1 PS1 supernovae
• Updated the entries for 2026mlu (Type IIn)

Errata