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.

2020/07/01
• Created entries for 2020nvb (Mag 13.0, Type Ia in NGC 4457), AT2020nub (Mag 16.8 in NGC 808), 14 ATLAS supernovae, 11 GAIA supernovae, 3 PS1 supernovae, and AT2015dm (Mag 20.9 in SDSS J151151.60+003503.0)
• Updated the entries for 2020kzo (Type Ia), 2020mop (Type Ia), 2020myg (Type Ia), 2020nta (Type Ia-91bg), 2020ntl (Type II)
• Added images of 2020hvf (Mag 12.6), 2020jfo (Mag 15.0), 2020nlb (Mag 14.3)
• Did some monthly archiving

2020/06/30
• Created entries for 7 ZTF supernovae, 2 PS1 supernovae, 3 MASTER supernovae, 6 ATLAS supernovae, 1 GOTO_bot supernovae

2020/06/29
• Created entries for 10 GAIA supernovae, 3 ZTF supernovae, 11 PS1 supernovae, 4 ATLAS supernovae, 1 GSNST supernovae, 9 ATLAS supernovae, 2 PS1 supernovae, 3 ZTF supernovae
• Updated the entries for 2020mon (Type Ia)

2020/06/28
• Created entries for 1 Gattini_Bot supernovae, 11 ZTF supernovae, 3 ATLAS supernovae, 25 GAIA supernovae 17 PS1 supernovae, 6 ZTF supernovae, 7 ATLAS supernovae, 3 MASTER supernovae, and AT2017key (Mag 19.8 in SDSS J153117.33+313321.0)
• Updated the entries for 2018isl (Type Ib), 2018jfw (Type Ia), 2018jte (Type Ia), 2019gau (Type Ia), 2019gss (Type IIP), 2019hjg (Type Ic), 2019omd (Type Ib), 2019omp (Type II), 2019onk (Type II), 2019ptd (Type Ia), 2019tfk (Type Ia), 2019tqt (Type II), 2019typ (Type Ia), 2019tzf (Type II), 2019uao (Type Ia), 2020afj (Type Ia), 2020ikd (Type Ia-pec), 2020jck (Type Ia), 2020kbd (Type II), 2020kef (Type II), 2020ksl (Type Ia), 2020kxl (Type II), 2020kzs (Type Ib), 2020lek (Type Ia), 2020lgh (Type Ia), 2020lqr (Type Ia), 2020lrr (Type II), 2020lrt (Type Ia-02cx), 2020meu (Type II), 2020mfy (Type Ia), 2020nny (Type II)
• Added images of 2020mmz (Mag 14.2), 2020nlb (Mag 15.0)

2020/06/27
• Created entries for AT2020noi (Mag 17.5 in UGC 12687), 14 ZTF supernovae, 3 PS1 supernovae, 1 MASTER supernovae, 1 PS1 supernovae, 10 GAIA supernovae 7 ZTF supernovae
• Added images of 2020hvp, 2020mmz (Mag 14.5), 2020nlb (Mag 16.5)

2020/06/26
• Created entries for AT2020nni (Mag 16.9), 16 ZTF supernovae, 8 ATLAS supernovae, 1 GOTO supernovae
• Updated the entries for 2020jfv (Type IIb), 2020lbh (Type Ic), 2020mbc (Type Ic), 2020mks (Type II), 2020mtk (Type Ia), 2020muw (Type Ia), 2020mya (Type Ia), 2020ndv (Type Ia), 2020neh (Type AGN), 2020nei (Type Ia), 2020nkl (Type II), 2020nln (Type Ia)
• Added images of 2020fqv (Mag 16.6), 2020hvf (Mag 14.5), 2020jfo (Mag 15.2), 2020mjm (Mag 16.3), 2020mmz (Mag 14.8), 2020nif (Mag 15.4), 2020nlb (Mag 17.0), 2020nma (unconfirmed)

2020/06/25
• Created entries for 2020nlb (Mag 17.4 in M85), AT2020nkm (Mag 17.0 in NGC 3492), 6 PS1 supernovae, 3 ZTF supernovae, 1 MASTER supernovae, 29 GAIA supernovae, 13 ZTF supernovae, 1 ATLAS supernovae, 1 GSNST supernovae,
• Updated the entries for 2019hte (Type IIb), 2019lgc (Type IIb), 2019mbz (Type Ib/c), 2019qij (Type II), 2019uae (Type Ia), 2019dzk (Type II), 2019rpp (Type Ia), 2020aok (Type IIb), 2020clr (Type Ic), 2020dgd (Type Ic-BL), 2020bec (Type Ia), 2020nlb (Type Ia)
• Added images of 2020jfo, 2020mmz (Mag 15.0), 2020nby (Mag 19.1), 2020nlb

2020/06/24
• Created entries for AT2020nju (Mag 17.1 in SDSS J095106.57-002425.9), 13 ZTF supernovae, 1 MASTER supernovae, 10 PS1 supernovae, 2 GOTO supernovae, 2 ATLAS supernovae, 19 ZTF supernovae, 15 GAIA supernovae, and AT2017kex (Mag 18.2 in NGC 5402)
• Updated the entries for 2018hxo (Type Ic-BL), 2019vas (Type IIn), 2020lrn (Type Other), 2020nif (Type II)

2020/06/23
• Created entries for AT2020nhi (Mag 16.7 in WISEA J022426.05-514453.8), AT2020ngz (Mag 17.9 in NGC 3250E), 11 PS1 supernovae, 3 ATLAS supernovae, 7 ZTF supernovae, 1 GSNST supernovae, 5 ZTF supernovae, 6 ATLAS supernovae, 10 PS1 supernovae, 2 GOTO supernovae, 3 GAIA supernovae 2 MASTER supernovae
• Updated the entries for 2019aqz (Type Ia), 2020mcg (Type Ia), 2020mxd (Type Ia), 2020naj (Type Ia)

2020/06/22
• Created entries for 16 ZTF supernovae, 12 GAIA supernovae, 4 PS1 supernovae, 3 ATLAS supernovae, 2 MASTER supernovae, 8 PS1 supernovae, 11 GAIA supernovae, 4 ZTF supernovae
• Updated the entries for 2020bws (Type II), 2020ksa (Type Ib), 2020mkk (Type Ia), 2020mmz (Type II), 2020mof (Type Ia), 2020myi (Type Ia), 2020nac (Type Ib), 2020lhs (Type CV), 2020mbp (Type Ia), 2020mpu (Type Ia)

2020/06/21
• Created entries for Nova M31 2020-06a? (= PNV J00453223+4223011 Mag 17.1 in M31), Nova M33 2020-06a? (= PNV J01332769+3032087 Mag 18.3 in M33) 11 ATLAS supernovae, 2 MASTER supernovae, 6 ZTF supernovae, 2 ATLAS supernovae, 6 PS1 supernovae, 13 GAIA supernovae, 1 MASTER supernovae, 3 ZTF supernovae
• Updated the entries for 2020kpw (Type Ia), 2020kum (Type Ia), 2020lim (Type Ia), 2020lrx (Type Ia), 2020lsr (Type Ia), 2020lvt (Type Ia), 2020mby (Type Ia), 2020mer (Type Ia), 2020mfh (Type Ia), 2020mml (Type Ia), 2020mnr (Type Ia), 2020mos (Type Ia), 2020mqr (Type Ia), 2020mwl (Type Ia), 2020nah (Type Ia)
• Added images of 2020fqv (Mag 15.2), 2020ftl (Mag 16.6:), 2020hvf (Mag 14.0), 2020jfo (Mag 14.6), 2020kef, 2020kte, 2020lkw, 2020lqd, 2020mjm (Mag 15.7), 2020mnw (Mag 18.4:), 2020mvp (Mag 18.4)

2020/06/20
• Created entries for AT2020nbu (Mag 16.9 in WISEA J015500.83-044103.4), AT2020nbt (Mag 17.3 in WISEA J090726.56-162911.5), 12 ZTF supernovae, 2 ATLAS supernovae, 6 PS1 supernovae, 1 GSNST supernovae, 14 ZTF supernovae, 8 GAIA supernovae
• Updated the entries for 2020kzn (Type Ia), 2020lgk (Type Ia), 2020mvk (Type II)
• Added images of 2020fqv, 2020ftl, 2020hen (Mag 18.3:), 2020hvf, 2020hvp, 2020jfo, 2020mmz

2020/06/19
• Created entries for AT2020naw (Mag 17.4 in WISEA J034824.52-264308.7), 6 ZTF supernovae, 4 ATLAS supernovae, 9 GAIA supernovae 1 GOTO supernovae

2020/06/18
• Created entries for 35 ZTF supernovae, 1 PS1 supernovae, 8 ATLAS supernovae, 13 ZTF supernovae, 6 GAIA supernovae, 10 ATLAS supernovae, 12 ZTF supernovae, 8 MASTER supernovae, and AT2013km (Mag 20.4 in 2MASX J08055362-0005104)
• Updated the entries for 2020fap (Type AGN), 2020koc (Type II), 2020lfi (Type II), 2020lht (Type Ia), 2020lse (Type Ia)

2020/06/17
• Created entries for 10 ZTF supernovae, 14 ATLAS supernovae, 4 PS1 supernovae 3 ATLAS supernovae, 2 PS1 supernovae, 15 GAIA supernovae, 6 ZTF supernovae, and AT2017kew (Mag 17.6 in WISEA J125109.34+035852.9)
• Updated the entries for 2020ldp (Type Ia), 2020mfx (Type Ia), 2020mqp (Type Ia), 2020mta (Type Ia), 2020mrf (Type II)

2020/06/16
• Created entries for 7 ZTF supernovae, 10 ATLAS supernovae, 1 MASTER supernovae, 11 ZTF supernovae, 14 ATLAS supernovae, 14 GAIA supernovae
• Updated the entries for 2020lkw (Type II), 2020lol (Type Ia), 2020maw (Type Ia), 2020mnw (Type Ia)

2020/06/15
• Created entries for 27 ATLAS supernovae, 8 ZTF supernovae, 2 PS1 supernovae, 3 PS1 supernovae, 14 GAIA supernovae, 22 ZTF supernovae, 1 MASTER supernovae
• Updated the entries for 2020lls (Type Ic), 2020maz (Type Ia), 2020mfd (Type Ia-91bg), 2020mff (Type Ia), 2020mga (Type Ia)

2020/06/14
• Created entries for 27 ZTF supernovae, 21 PS1 supernovae, 2 ATLAS supernovae, 8 ZTF supernovae, 4 PS1 supernovae
• Updated the entries for 2020kdb (Type Ia), 2020lqo (Type Ia), 2020lrd (Type Ia), 2020lwl (Type Ia), 2020mat (Type Ia), 2020mpr (Type Ia)

2020/06/13
• Created entries for 1 MASTER supernovae, 9 ZTF supernovae, 7 GAIA supernovae, 3 PS1 supernovae, 14 ZTF supernovae, 6 GAIA supernovae, 2 MASTER supernovae
• Updated the entries for 2020lhh (Type Ia), 2020lit (Type Ia), 2020mba (Type Ia), 2020mes (Type Ia), 2020mjm (Type II)

2020/06/12
• Created entries for 61 ZTF supernovae, 1 MASTER supernovae, 16 GAIA supernovae, 37 PS1 supernovae, 2 ATLAS supernovae 33 PS1 supernovae, 12 ZTF supernovae, 2 ATLAS supernovae
• Updated the entries for 2016jiu (Type IIn), 2020kxg (Type Ib), 2020lsj (Type Ia), 2020lwk (Type Ia), 2020may (Type Ia), 2020mbf (Type Ia), 2020mcc (Type Ia), 2020mdd (Type Ia), 2020lyo (Type Ia)
• Added images of 2020dpw (Mag 16.8), 2020ftl (Mag 16.8), 2020hen (Mag 18.3:), 2020hvf, 2020jfo (Mag 14.5), 2020jnr, 2020kyg (Mag 18.9:), 2020lsc (Mag 16.4:), 2020lwk (Mag 17.1)

2020/06/11
• Created entries for 6 PS1 supernovae, 15 GAIA supernovae 3 ATLAS supernovae, 17 ZTF supernovae, 4 PS1 supernovae, 1 GOTO supernovae
• Updated the entries for 2019hgy (Type IIn), 2019myu (Type Ia), 2019zrs (Type Ia), 2020dhm (Type Ic), 2020bid (Type Ia (was AGN)), 2020egt (Type Ib/c), 2020fvo (Type Ia), 2020hfn (Type IIn), 2020ikp (Type II), 2020itn (Type Ia-91T), 2020iyi (Type II), 2020jfn (Type Ia), 2020jhm (Type SLSN-I), 2020jmb (Type II), 2020kbq (Type Ia), 2020krv (Type Ia), 2020kwk (Type Ia), 2020lql (Type Ia), 2020exj (Type SLSN-I), 2020exz (Type Ia), 2020fbo (Type Ia), 2020gjh (Type II), 2020iba (Type Ia)

2020/06/10
• Created entries for 5 ZTF supernovae, 31 PS1 supernovae, 6 ATLAS supernovae, 1 MASTER supernovae
• Added images of 2020fhs, 2020fqv (Mag 15.8), 2020ghu (unconfirmed), 2020ghv (Mag 18.1:), 2020hvp (Mag 16.0), 2020ikn (Mag 19.2:), 2020jee (Mag 15.6:), 2020jfo, 2020jhf (Mag 14.9:), 2020jny (Mag 16.2:), 2020lhs (Mag 16.5)

2020/06/09
• Created entries for 2020mbe (Mag 18.6 Type Ic in NGC 819, was marked as 2016hkn) 22 ZTF supernovae, 6 GAIA supernovae 3 PS1 supernovae, 20 ZTF supernovae, 1 BraTS supernovae, 1 SGLF supernovae
• Updated the entry for 2020kqo (Type Ia), 2020kvl (Type Ia), 2020lfe (Type Ia), 2020lhd (Type Ia), 2020lsc (Type Ia), AT2020lye (confirmed nova in M31)

2020/06/08
• Created entries for AT2020lyo (Mag 16.3 in PGC 34881), AT2020lye (Mag 20.5 in M31) 7 ZTF supernovae, 24 PS1 supernovae, 2 MASTER supernovae, 2 ZTF supernovae, 6 PS1 supernovae, 16 GAIA supernovae, 2 ATLAS supernovae, 1 MASTER supernovae
• Updated the entries for 2020kqo (Type Ia), 2020kvl (Type Ia), 2020lfe (Type Ia), 2020lhd (Type Ia), 2020lsc (Type Ia), 2020lam (Type II)

2020/06/07
• Created entries for 1 ZTF supernovae, 36 PS1 supernovae, 3 ATLAS supernovae, 60 PS1 supernovae, 8 ATLAS supernovae, 1 MASTER supernovae, 13 GAIA supernovae
• Updated the entries for 2020kba (Type Ic), 2020kzp (Type Ia), 2020kqv (Type Ia)
• Added images of 2020fqv, 2020ftl (Mag 15.2:), 2020hvp (Mag 15.8), 2020jfo, 2020lhs, 2020ue (Mag 16.4)

2020/06/06
• Created entries for 13 GAIA supernovae, 4 PS1 supernovae, 2 ZTF supernovae
• Updated the entries for 2020jol (Type Ia), 2020jqx (Type Ia)

2020/06/05
• Created entries for 6 PS1 supernovae, 5 ZTF supernovae, 9 ZTF supernovae, 8 GAIA supernovae, 1 ATLAS supernovae, 2 MASTER supernovae
• Updated the entries for 2020llx (Type II in NGC 7140)

2020/06/04
• Created entries for AT2020lrn (Mag 14.0 in NGC 5363), AT2020lri (Mag 20.6), 1 Gattini supernovae, 26 ZTF supernovae, 2 ATLAS supernovae, 8 GAIA supernovae, and AT2018ltl (Mag 20.2)
• Updated the entries for 2020kui (Type Ia), 2020kxf (Type Ia)

2020/06/03
• Created entries for 15 ATLAS supernovae, 1 GSNST supernovae, 23 GAIA supernovae 12 ZTF supernovae
• Updated the entries for AT2015dl (Mag 16.5 in M 101, it finally got a name...)
• Added images of 2020dxa (Mag 17.2), 2020fhs, 2020hls (Mag 15.9), 2020jfo, 2020jjh, 2020jvv (Mag 16.2), 2020leu (unconfirmed), 2020lkb (Mag 16.9), 2020lnf (unconfirmed)

2020/06/02
• Created entries for 4 ZTF supernovae, 24 GAIA supernovae
• Updated the entries for 1996D (Type II), 2018gry (Type Ia-91T), 2018gsy (Type Ic-BL), 2018huv (Type II), 2019hnt (Type Ia), 2019lbv (Type II), 2019njv (Type IIn), 2019pnk (Type II), 2019qds (Type Ia), 2019svd (Type Ib/c), 2019tek (Type Ia-91T), 2019tgg (Type Ia), 2019thi (Type II), 2019twa (Type Ibn), 2019uqu (Type Ibn), 2019vbk (Type Ia), 2019vdm (Type II), 2019wfa (Type Ia), 2019wib (Type II), 2019wkx (Type Ia), 2019wzd (Type Ia), 2019zck (Type II), 2020aiw (Type Ia), 2020arj (Type Ia), 2020arm (Type Ia-91T), 2020bjh (Type Ia), 2020bli (Type Ia), 2020boo (Type Ia), 2020bqq (Type Ia), 2020buc (Type II), 2020iq (Type IIn)

2020/06/01
• Created entries for AT2020lnf (Mag 16.4 in NGC 4849), 5 ZTF supernovae, 3 ATLAS supernovae, 9 GAIA supernovae 2 GSNST supernovae, 7 ATLAS supernovae, 4 ZTF supernovae
• Updated the entries for 2019tml (Type Ia), 2020kta (Type Ia), 2020lba (Type Ia), 2020lbf (Type Ia), 2020lil (Type Ia), 2020lmg (Type Ia)

Errata