Supernova discovery statistics

This list of objects going back several years. If there are other statistics you are interested in, please let me know.
Page re-generated at: 2024/02/25.833 UT

For the years covered, 138474 supernovae and 1 extragalactic novae were reported.
20233 of these supernovae were named by CBAT,
106241 were given possible supernova designations,
and 12000 were not reported to CBAT.
3216 supernovae were found in NGC/IC galaxies, 103090 were found in named galaxies
3113 objects were discovered by amateurs
127 were brighter than 13th Magnitude
2083 were brighter than 16th Magnitude
12872 were brighter than 18th Magnitude
17042 Type I supernovae were found
  15296 Type Ia
    41 Type Ia-02cx
    154 Type Ia-91bg
    486 Type Ia-91T
    218 Type Ia-pec
  696 Type Ib
    73 Type Ibn
    25 Type Ib-pec
  772 Type Ic
    6 Type Icn
    157 Type Ic-pec
  160 Type SLSN-I
5347 Type II supernovae were found
  728 Type IIn
  575 Type IIP
  335 Type IIb
  21 Type IIL
  61 Type SLSN-II
  56 Type II-pec
85 LBV (supernova impostors) were found
179 were not supernovae or Extragalactic novae.
115735 were untyped
Of the 1 novae that were reported  0 were reported to CBAT and 1 were not
  0 were given official names by CBAT
  0 were found in M31
  0 were found in M81
  0 were found in M33
  0 were untyped


46405 objects were discovered by PS1 (prof) (AT2024deq)
40817 objects were discovered by ZTF (prof) (AT2024del)
17128 objects were discovered by ATLAS (prof) (AT2024dej)
8319 objects were discovered by Gaia (prof) (AT2024dfy)
3828 objects were discovered by PTF (prof) (AT2022aejl)
3778 objects were discovered by CRTS (prof) (2024wp)
3113 objects were discovered by ALeRCE (prof) (AT2024cwb)
1442 objects were discovered by ASAS-SN (prof) (2024byg)
1198 objects were discovered by OGLE (prof) (AT2020dud)
 944 objects were discovered by MASTER (prof) (AT2024ddr)
 710 objects were discovered by LOSS (prof) (2022blm)
 678 objects were discovered by SDSS (prof) (SDSS J130623.89-014033.6)
 591 objects were discovered by La Silla-QUEST (prof) (2016blw)
 545 objects were discovered by ANTARES (prof) (AT2023aaaw)
 513 objects were discovered by Dark Energy Survey (prof) (DES17C3ihx)
 480 objects were discovered by Nearby Supernova Factory (prof) (SNF20080927-001)
 454 objects were discovered by DESIRT (prof) (AT2023qso)
 357 objects were discovered by Galaxy Zoo (AT2021aias)
 238 objects were discovered by LOTOSS (prof) (2003iv)
 237 objects were discovered by GOTO (prof) (AT2024dfv)
 234 objects were discovered by High Z Supernova Search (prof) (Possible Supernova)
 209 objects were discovered by DECam (prof) (AT2022bdh)
 201 objects were discovered by Tim Puckett, Jack Newton, et al. (AT2019kae)
 197 objects were discovered by ESSENCE project (prof) (2007uv)
 182 objects were discovered by CHASE (prof) (2016ajl)
 174 objects were discovered by Koichi Itagaki (2024ws)
 172 objects were discovered by XOSS (AT2024dcc)
 164 objects were discovered by GSNST (prof) (AT2023sp)
 163 objects were discovered by Supernova Cosmology Project (prof) (2002fh)
 162 objects were discovered by Tim Puckett et al. (2007mq)
 159 objects were discovered by Stu Parker (AT2021skl)
 148 objects were discovered by Tom Boles (2014ax)
 146 objects were discovered by HST (prof) (AT2022tqq)
 145 objects were discovered by Berto Monard (2022jli)
 145 objects were discovered by PMO-Tsinghua Supernova Survey (PTSS) (prof) (2020iic)
 142 objects were discovered by Italian Supernovae Search Project (AT2024dda)
 124 objects were discovered by Fritz (AT2023sem)
 123 objects were discovered by Fritz Zwicky (prof) (1973K)
 113 objects were discovered by TNTS (prof) (2019pgo)
 106 objects were discovered by Jean Mueller (prof) (2000cm)
 103 objects were discovered by GW-MMADS (prof) (AT2023uoa)
 101 objects were discovered by ROTSE (prof) (2014W)
  97 objects were discovered by THU-NAOC Transient Survey (TNTS) (prof) (PSN J23201093+2850583)
  91 objects were discovered by Christian Pollas (prof) (1996ce)
  88 objects were discovered by SkyMapper (prof) (2018bwq)
  87 objects were discovered by DESGW (prof) (AT2021aaug)
  87 objects were discovered by High Cadence Transient Survey (HiTS) (prof) (SNHiTS15bm)
  86 objects were discovered by SNAD (AT2019aaqp)
  81 objects were discovered by Charles Kowal (prof) (1984C)
  81 objects were discovered by Subaru/Hyper Suprime-Cam (prof) (HSC-SN15ay)
  81 objects were discovered by Supernova Legacy Project (prof) (SNLS-04D4dm)
  66 objects were discovered by Palomar-Quest (prof) (2007np)
  64 objects were discovered by Mark Armstrong (2006N)
  63 objects were discovered by Robert McNaught (prof) (1996bp)
  60 objects were discovered by Fink (prof) (AT2023whb)
  57 objects were discovered by Roberto Antezana (prof) (2000ca)
  50 objects were discovered by EROS (prof) (2000bz)
  50 objects were discovered by JWST (prof) (AT2023acmp)
  49 objects were discovered by DLT40 (prof) (2023hym)
  47 objects were discovered by Paul Wild (prof) (1994M)
  46 objects were discovered by Mount Stromlo (prof) (1998fb)
  45 objects were discovered by BAO (prof) (2003Z)
  45 objects were discovered by Marina Wischnjewsky (prof) (1999ei)
  45 objects were discovered by Mike Schwartz (2008bq)
  43 objects were discovered by Canada-France-Hawaii Telescope (prof) (PSN GHO1320)
  43 objects were discovered by Robert Evans (2007it)
  42 objects were discovered by Ron Arbour (AT2017ims)
  39 objects were discovered by Denis Denisenko (AT2017axd)
  38 objects were discovered by Superluminous Supernovae in the Epoch of Reionization (prof) (AT2018gzr)
  37 objects were discovered by KEGS (prof) (AT2018brr)
  36 objects were discovered by GEOTS (prof) (AT2023xzp)
  36 objects were discovered by Miklos Lovas (prof) (1995am)
  32 objects were discovered by Milton Humason (prof) (1961Q)
  31 objects were discovered by BAO Supernova Survey (prof) (1999dn)
  31 objects were discovered by Nearby Galaxy Supernova Search (prof) (2000fl)
  29 objects were discovered by BraTS (prof) (AT2022tla)
  29 objects were discovered by Claude Cornen (AT2015cn)
  28 objects were discovered by Legacy Survey Supernova Project (prof) (2003ha)
  28 objects were discovered by SGLF (prof) (AT2023vlm)
  27 objects were discovered by Doug Rich (PSN J05521661+4650211)
  27 objects were discovered by Giancarlo Cortini (2022abln)
  23 objects were discovered by ESO (prof) (2014eg)
  22 objects were discovered by Coma and Virgo Exploration for Transients (prof) (COVET-090219B)
  21 objects were discovered by Kiso Supernova Survey (prof) (2015aa)
  21 objects were discovered by Leonida Rosino (prof) (1979B)
  21 objects were discovered by MeerLICHT (prof) (AT2024adm)
  19 objects were discovered by Dennis Denisenko (AT2019xuq)
  19 objects were discovered by L. E. Gonzalez (prof) (1998em)
  19 objects were discovered by LSSSS (2011bm)
  18 objects were discovered by Subaru high-redshift supernova (prof) (2002kz)
  17 objects were discovered by Saul Perlmutter (prof) (1994G)
  16 objects were discovered by Grzegorz Duszanowicz (AT2022zjo)
  16 objects were discovered by unknown (2021ekf)
  15 objects were discovered by Wise Observatory (prof) (2001al)
  14 objects were discovered by Lulin Observatory (2007uz)
  14 objects were discovered by Masakatsu Aoki (2016C)
  14 objects were discovered by Peter Marples (AT2021xtf)
  14 objects were discovered by Robin Chassagne (2003bj)
  13 objects were discovered by G. Altavilla, et. el. (2002du)
  13 objects were discovered by Jaroslaw Grzegorzek (2019wzj)
  13 objects were discovered by Masaki Tsuboi (2018apk)
  13 objects were discovered by Perth Astronomical Research Group (prof) (2004ch)
  12 objects were discovered by SAGUARO (AT2020abgu)
  12 objects were discovered by SUDARE/VOICE collaboration (prof) (2013go)
  11 objects were discovered by Omega and Lambda from Supernovae, and the Physics of Supernova Explosions (2002ls)
  10 objects were discovered by Enrique Chavira (prof) (1969E)
  10 objects were discovered by European Supernova Cosmology Consortium (1999ea)
  10 objects were discovered by Konrad Rudnicki (prof) (1967E)
  10 objects were discovered by R. Gibbons (K0404-010)
  10 objects were discovered by Reiki Kushida (2004bv)
  10 objects were discovered by SWIFT (prof) (2017iuk)
   9 objects were discovered by Brazilian Supernovae Search (2006co)
   9 objects were discovered by Emmanuel Conseil (2020epi)
   9 objects were discovered by GRAWITA (prof) (AT2020dpg)
   9 objects were discovered by Greg Bock (2018ecf)
   9 objects were discovered by H. S. Gates (prof) (1965P)
   9 objects were discovered by HSC (AT2019aadg)
   9 objects were discovered by Malhar R. Kendurkar (AT2018hce)
   9 objects were discovered by Marco Migliardi (2011is)
   9 objects were discovered by Natalya Metlova (prof) (1987D)
   9 objects were discovered by SUNBIRD (2018ec)
   8 objects were discovered by Blaz Mikuz (AT2018hhm)
   8 objects were discovered by Deep Lense survey (prof) (2002be)
   8 objects were discovered by Ella Sanders (2013hn)
   8 objects were discovered by Jose Maza (prof) (1983C)
   8 objects were discovered by Patrick Wiggins (2024bch)
   8 objects were discovered by Perth Observatory (prof) (2011ed)
   8 objects were discovered by SNLS (prof) (2008it)
   8 objects were discovered by Swope SN Survey (AT2019aaks)
   7 objects were discovered by Ahumada (AT2023ils)
   7 objects were discovered by Deep Lens Survey Transient Team (prof) (2004ba)
   7 objects were discovered by JADES (AT2023voc)
   7 objects were discovered by L. Strolger (K0405-007)
   7 objects were discovered by LSSS-SSP (PSN J04030754-0237031)
   7 objects were discovered by ZUDS (AT2020dax)
   6 objects were discovered by CROSS (2005kl)
   6 objects were discovered by Dunlap (1976E)
   6 objects were discovered by Edwin Hubble (prof) (1948A)
   6 objects were discovered by HSC collaboration (AT2017fej)
   6 objects were discovered by Johnson (1995J)
   6 objects were discovered by KNTraP (prof) (AT2022ksa)
   6 objects were discovered by Kunihiro Shima (2017B)
   6 objects were discovered by Markku Nissinen et el (2009iy)
   6 objects were discovered by Stanislav Maticic (2017nx)
   5 objects were discovered by Alexander Jonkeren (AT2014et)
   5 objects were discovered by Chai (1953C)
   5 objects were discovered by Chinese observers (1054)
   5 objects were discovered by Crni Vrh Observatory (2013eq)
   5 objects were discovered by Deep Lens Survey team (prof) (2002am)
   5 objects were discovered by Hyper Suprime-Cam Subaru Strategic Program Transient Survey (HSC17auls)
   5 objects were discovered by Kamil Hornoch et al. (PSN J04160610-0540324)
   5 objects were discovered by Kearns (1961S)
   5 objects were discovered by Perez-Fournon (AT2019ttv)
   5 objects were discovered by Reaves (1966G)
   5 objects were discovered by SkyMapper Supernova search (prof) (2013hx)
   5 objects were discovered by Steward Observatory (2006ue)
   5 objects were discovered by T. Kryachko et al. (2012ae)
   5 objects were discovered by TAROT La Silla telescope (prof) (PSN J05452726-2556322)
   5 objects were discovered by Treffers, Filippenko, Leibundgut, (prof) (1993Z)
   5 objects were discovered by Yoji Hirose (2012ei)
   4 objects were discovered by 1M2H (AT2019aasq)
   4 objects were discovered by Arp (1982D)
   4 objects were discovered by BRASS (2009ev)
   4 objects were discovered by Carlton Pennypacker (1987K)
   4 objects were discovered by Deeper, Wider, Faster (DWF) program (prof) (2017bej)
   4 objects were discovered by Gal-Yam, Sharon, Maoz (1996cp)
   4 objects were discovered by Gomes (1961E)
   4 objects were discovered by Haro (1965G)
   4 objects were discovered by J. Vales (AT2017awv)
   4 objects were discovered by K. Sárneczky et al. (2016gvd)
   4 objects were discovered by Kimeridze (1989M)
   4 objects were discovered by Lovas (1976M)
   4 objects were discovered by M. Doi (K0211-001)
   4 objects were discovered by Max F. Wolf (1926A)
   4 objects were discovered by Mirko Villi (2007kd)
   4 objects were discovered by PGIR (prof) (2020qmp)
   4 objects were discovered by R. Holmes et al. (2006bu)
   4 objects were discovered by TAROT collaboration (2007on)
   4 objects were discovered by Wise Observatory Optical Transients Search (prof) (1998fd)
   4 objects were discovered by Wolfgang Kloehr (2007kf)
   3 objects were discovered by AHTS (AT2020acxh)
   3 objects were discovered by Alessandro Gabrijelcic (1997B)
   3 objects were discovered by Alexander Wassilieff (1998cx)
   3 objects were discovered by Candeo (1988Z)
   3 objects were discovered by CfA Supernova group (prof) (2001V)
   3 objects were discovered by Curtis (1915A)
   3 objects were discovered by David Grennan (2014as)
   3 objects were discovered by DogsHeavenTS (AT2020pwm)
   3 objects were discovered by Duszanowicz (2020ohg)
   3 objects were discovered by Filipp Romanov (AT2020quo)
   3 objects were discovered by Hoffmeister (1965K)
   3 objects were discovered by Jolly (1971I)
   3 objects were discovered by Jones (1941C)
   3 objects were discovered by Kormendy (1973O)
   3 objects were discovered by Leonardo Tartaglia (2016ija)
   3 objects were discovered by OaPd (1999gt)
   3 objects were discovered by Peter Aldous (PSN J10275082-4354034)
   3 objects were discovered by Prestgard (AT1993an)
   3 objects were discovered by R. Ellis et. el. (2001kf)
   3 objects were discovered by R. Martin (2005at)
   3 objects were discovered by Romano (1970O)
   3 objects were discovered by SKYS (2017jzk)
   3 objects were discovered by SSDS Collaboration (2005ca)
   3 objects were discovered by Survey at Intermediate Redshift for Cluster and Lensed Supernovae (SIRCLS) (PSN MACSJ1621.3+3810)
   3 objects were discovered by T. G. Tan (2009gg)
   3 objects were discovered by VVV survey (prof) (VVV-WIT-XXX)
   3 objects were discovered by Wayne Johnson (aka Mr. Galaxy) (1998co)
   3 objects were discovered by Williams, Martin (1995W)
   3 objects were discovered by Yoshimi Ichimura (2008hi)
   3 objects were discovered by superMACHO project (2004gp)
   2 objects were discovered by ASASSN (ASASSN-14hx)
   2 objects were discovered by Alain Klotz (2002gd)
   2 objects were discovered by Antarctic Transient Survey (ATS) (prof) (2017fbq)
   2 objects were discovered by Antipin (1985U)
   2 objects were discovered by Astrotel Observatory (2009lt)
   2 objects were discovered by B. Holmes (2001H)
   2 objects were discovered by BAT (2010bh)
   2 objects were discovered by BOSS (2023bpx)
   2 objects were discovered by Berger (1962I)
   2 objects were discovered by Bhaskaran Nair (AT1990ap)
   2 objects were discovered by Boyd (1935A)
   2 objects were discovered by Brett White (2000do)
   2 objects were discovered by Christian Buil (1996ak)
   2 objects were discovered by Clay Sherrod (AT2018arb)
   2 objects were discovered by Crni Vrh Obseratory (2007bk)
   2 objects were discovered by Dave Lane (2005ea)
   2 objects were discovered by David Sand, Wen-fai Fong, Kerry Paterson, Michael Lundquist (SAGUARO) (AT2019kys)
   2 objects were discovered by Denisenko (AT2019zrn)
   2 objects were discovered by Deutsch (1951I)
   2 objects were discovered by Erik Kool, Stuart Ryder, Seppo Mattila, and Erkki Kankare  (2015cb)
   2 objects were discovered by F. Cappiello, S. Massaro (2022abq)
   2 objects were discovered by Fairall (1971R)
   2 objects were discovered by Federico Manzini (2004bc)
   2 objects were discovered by Filippenko, Sargent (prof) (1988M)
   2 objects were discovered by G. Sostero (2009jp)
   2 objects were discovered by GLGW (AT2019ytf)
   2 objects were discovered by GSST / Constantine Emmanouilidi / Emelie Selander (AT2016brz)
   2 objects were discovered by Gilliland, Phillips (1997fg)
   2 objects were discovered by Herman Mikuz (2018kzc)
   2 objects were discovered by High-Z Supernova Search Team (1995ao)
   2 objects were discovered by Horiguchi (1985G)
   2 objects were discovered by Ikeya (1988A)
   2 objects were discovered by Jankovich (1968S)
   2 objects were discovered by John Huchra (1972L)
   2 objects were discovered by Karachentsev, Kopylov (1977G)
   2 objects were discovered by Ken'ichi Nishimura (2015as)
   2 objects were discovered by Kirshner (1971N)
   2 objects were discovered by Koichi Nishiyama and Fujio Kabashima (2012ht)
   2 objects were discovered by Kulikovskij (1977A)
   2 objects were discovered by Kurochkin (1976F)
   2 objects were discovered by Leibundgut, Albert (1985M)
   2 objects were discovered by Liller (1992A)
   2 objects were discovered by Lundquist (AT2020arf)
   2 objects were discovered by M. Koishikawa (2012id)
   2 objects were discovered by Marco Russiani (AT2019bia)
   2 objects were discovered by Mario Bombardini and Mirco Villi (PSN J15320170+6814480)
   2 objects were discovered by Maury, (1988N)
   2 objects were discovered by Michel Ory (2006ev)
   2 objects were discovered by Mike Richmond (1988ac)
   2 objects were discovered by Mnatskanian (1970P)
   2 objects were discovered by NOAO (2003Q)
   2 objects were discovered by Nordic Optical Telescope (2003il)
   2 objects were discovered by Notni, Oleak (1953H)
   2 objects were discovered by Nuclear Supernova Search (2005U)
   2 objects were discovered by P. Berlind (1999gk)
   2 objects were discovered by PUC-Padova Supernova Search (2000fp)
   2 objects were discovered by Paulo Cacella (AT2022khx)
   2 objects were discovered by Peters (1994T)
   2 objects were discovered by Pigatto (1972J)
   2 objects were discovered by Priser (1970H)
   2 objects were discovered by S. Mattila and E. Kankare (2010cu)
   2 objects were discovered by Schildknecht (1986K)
   2 objects were discovered by Shachbazian (1968V)
   2 objects were discovered by Shunji Sasaki (1996cc)
   2 objects were discovered by Spanhauer, Cameron (1985D)
   2 objects were discovered by Stefano Moretti (2007be)
   2 objects were discovered by SuperMACHO project (2003ma)
   2 objects were discovered by THCA Supernova Survey (2005mf)
   2 objects were discovered by TMTS (2020uyn)
   2 objects were discovered by TNG (2008ic)
   2 objects were discovered by Takao Doi (2007aa)
   2 objects were discovered by Tenagara Observatory Supernova Search (2004ey)
   2 objects were discovered by The Mount Stromlo Abell Cluster SN Search (1999ao)
   2 objects were discovered by Theunissen (AT2002md)
   2 objects were discovered by Toshihide Noguchi (2015I)
   2 objects were discovered by Tsvetkov (1984D)
   2 objects were discovered by Turatto (1994N)
   2 objects were discovered by William Wren (1994Y)
   2 objects were discovered by XAO-THU Supernova Survey (XTSS) (prof) (2016bar)
   2 objects were discovered by Yasuo Sano (2002an)
   2 objects were discovered by Young, Ritchie (1978B)
   1 objects were discovered by A. Gabrjelcic (2001dr)
   1 objects were discovered by A. del Olmo et. el. (2004gc)
   1 objects were discovered by AUDE (2000B)
   1 objects were discovered by AZTEC (Arizona Transient Exploration and Characterization) (AZTEC18xx)
   1 objects were discovered by Adam Block (2013dc)
   1 objects were discovered by Alex Langoussis (2011bd)
   1 objects were discovered by Allen (1987I)
   1 objects were discovered by Altobelli (1604)
   1 objects were discovered by Amaral (AT2019dkc)
   1 objects were discovered by Ambartsumyan (1974I)
   1 objects were discovered by Anderson, Luyten (1966O)
   1 objects were discovered by Angelo Bincoletto (2001ie)
   1 objects were discovered by Anglo-Australian Observatory (2001O)
   1 objects were discovered by Antarctic Survey Telescope (AST) (2014M)
   1 objects were discovered by Arganbright (1985K)
   1 objects were discovered by Arne Danielsen (2005ba)
   1 objects were discovered by Arp, Madore (1976L)
   1 objects were discovered by Arp, Sulentic (1982D)
   1 objects were discovered by Artur Minkovskiy (AT1982ab)
   1 objects were discovered by Associazione Ternana Astrofili (2004dg)
   1 objects were discovered by B. Dintinjana and H. Mikuz (2011hw)
   1 objects were discovered by B. Dintinjana and J. Skvarc (2015by)
   1 objects were discovered by B. F. Madore (2002ka)
   1 objects were discovered by Balanowsky (1919A)
   1 objects were discovered by Barker (1994U)
   1 objects were discovered by Bennett (1968L)
   1 objects were discovered by Bertaud (1963K)
   1 objects were discovered by Binggeli, Leibundgut, Tammann (1984I)
   1 objects were discovered by Birkle (1992ap)
   1 objects were discovered by BlackGEM (AT2024btw)
   1 objects were discovered by Blades, Griffiths, Ward (1978G)
   1 objects were discovered by Boyce (1935C)
   1 objects were discovered by Boyd, Huruhata (1935A)
   1 objects were discovered by Brendan Downs (2010dc)
   1 objects were discovered by Brown (1994L)
   1 objects were discovered by Burgat (1974G)
   1 objects were discovered by C. Balland and M. Mouchet (1999gx)
   1 objects were discovered by C. C. Dudley (K0210-001)
   1 objects were discovered by CATA Supernova Search (2013hf)
   1 objects were discovered by CEAMIG/REA Supernovae Search (2005af)
   1 objects were discovered by CSIC (2000ft)
   1 objects were discovered by Cacella (AT2023dyh)
   1 objects were discovered by Cameron, Spanhauer (1985E)
   1 objects were discovered by Campbell (1983aa)
   1 objects were discovered by Campo Imperatore Observatory (2002cv)
   1 objects were discovered by Candeo, Christian Pollas (1988Z)
   1 objects were discovered by Cappellaro, (1986M)
   1 objects were discovered by Carnegie Supernova Project (prof) (2006dz)
   1 objects were discovered by Center of Astrophysics and Associated Technologies (CATA) Supernova Search (2014dc)
   1 objects were discovered by Christine V. Macmillan, Alexander F. Jonkeren (AT2003mb)
   1 objects were discovered by Christopher Brownewell (AT2023deu)
   1 objects were discovered by Chuadze (1967C)
   1 objects were discovered by Ciprian Dumitru Vintdevara (AT2015dl)
   1 objects were discovered by Claudio Bottari  (1996ai)
   1 objects were discovered by Cohen, Clark, Smith (1985Q)
   1 objects were discovered by Columbia Astrophysics Laboratory (1996cr)
   1 objects were discovered by Comte (1988aa)
   1 objects were discovered by Constantine Emmanouilidi (2015ac)
   1 objects were discovered by Cornen (AT2023hzc)
   1 objects were discovered by Corona Borealis Observatory Supernova Survey (CSNS) (2018lcd)
   1 objects were discovered by Cortini, Villi (1994W)
   1 objects were discovered by Cristovao Jacques (2004cw)
   1 objects were discovered by D. Lane, K. Gray, and P. Gray (2010lt)
   1 objects were discovered by D. Lane, N. Gray, and P. Gray (2013hc)
   1 objects were discovered by D. Sand et al. (2008ih)
   1 objects were discovered by Denis Christen (1997dp)
   1 objects were discovered by Duilia de Mello (1997D)
   1 objects were discovered by Dumitru Ciprian (AT2023dwq)
   1 objects were discovered by E. Kankare, S. Ryder, and S. Mattila (2011hi)
   1 objects were discovered by Elena Pian, Eliana Palazzi, Dan Perley (2016jca)
   1 objects were discovered by Erastova (1972S)
   1 objects were discovered by Eric Emsellem (1998cf)
   1 objects were discovered by F. Garcia (1993J)
   1 objects were discovered by Faber (1980P)
   1 objects were discovered by Fabio Martinelli and Riccardo Mancini (2012dz)
   1 objects were discovered by Fermi spacecraft (2013dx)
   1 objects were discovered by Fesen (1953K)
   1 objects were discovered by Fleming (1895B)
   1 objects were discovered by Ford, Rubin (1971U)
   1 objects were discovered by Francic (1979G)
   1 objects were discovered by Francois Kugel (2015ax)
   1 objects were discovered by G. Bock and S. Parker (2012fd)
   1 objects were discovered by G. Sala (2001cf)
   1 objects were discovered by Gal-Yam, Maoz (1998cg)
   1 objects were discovered by Galvez Ranera (AT2018lmm)
   1 objects were discovered by Garrigos Sanchez (AT2018awk)
   1 objects were discovered by Gautschy, Singer (1985N)
   1 objects were discovered by George Ritchey (1917A)
   1 objects were discovered by Gilmore (1978A)
   1 objects were discovered by Goranskij (1972H)
   1 objects were discovered by Grizunova (1970A)
   1 objects were discovered by H. Naito (2007ig)
   1 objects were discovered by H. Sato (PSN J02534083+0615396)
   1 objects were discovered by HETE Science team (2003dh)
   1 objects were discovered by HSC transient collaboration (AT2016jiu)
   1 objects were discovered by Hagen, Reimers (1997ab)
   1 objects were discovered by Hansen (1988T)
   1 objects were discovered by Hardin (1997bt)
   1 objects were discovered by Haro, Hoffmeister (1965G)
   1 objects were discovered by Hartwig (1885A)
   1 objects were discovered by Hawkins (1978I)
   1 objects were discovered by Heeschen, Yin (1982aa)
   1 objects were discovered by Herzog (1968F)
   1 objects were discovered by Hidehiko Okoshi (2024ahv)
   1 objects were discovered by Hiroshi Okuno (2023fu)
   1 objects were discovered by Huchra (1975J)
   1 objects were discovered by ILMT (AT2023yjc)
   1 objects were discovered by INAF (2002lt)
   1 objects were discovered by Ian Martin (AT2023twt)
   1 objects were discovered by Inasaridze (1980L)
   1 objects were discovered by Infrared Supernova Search in Starburst Galaxies (2010hp)
   1 objects were discovered by Iskudarian (1968W)
   1 objects were discovered by J-VAR (AT2024bxn)
   1 objects were discovered by J. Frieman (K0509-001)
   1 objects were discovered by J. L. Prieto, A. J. Drake, et el. (2008jb)
   1 objects were discovered by J. Maza (1997A)
   1 objects were discovered by J. Nicolas (2007co)
   1 objects were discovered by J. Young (2004eg)
   1 objects were discovered by JM Llapasset (2003iq)
   1 objects were discovered by Jacques (AT2020ssd)
   1 objects were discovered by Jan Ovidiu Tercu, Gabriel Cristian Neagu (AT2022nxe)
   1 objects were discovered by Jan Vales (2009bv)
   1 objects were discovered by Jiang (2016jhr)
   1 objects were discovered by Jodrell Bank Observatory (Possible Radio Supernova)
   1 objects were discovered by John Appleyard (PSN J10362433+5833121)
   1 objects were discovered by Jolly, Clark (1971I)
   1 objects were discovered by Jolly, Dunlap (1971D)
   1 objects were discovered by Jordi Camarasa (AT2018bro)
   1 objects were discovered by Jure Zakrajsek, (2008fi)
   1 objects were discovered by Kankare, Mattila, Ryder et al. (2008cs)
   1 objects were discovered by Kazan State University Astrotel observatory (Possible supernova K1004-1)
   1 objects were discovered by Keel (1985S)
   1 objects were discovered by Kesao Takamizawa (1999gh)
   1 objects were discovered by Kielkopf et al., Tsvetkov (1983I)
   1 objects were discovered by Kinder (AT2023yba)
   1 objects were discovered by Klajnik (AT1976R)
   1 objects were discovered by Klaus Kretzschmar (AT2021efp)
   1 objects were discovered by Klein (1938C)
   1 objects were discovered by Klemola (1976K)
   1 objects were discovered by Kniazev et al. (1998bv)
   1 objects were discovered by Knight (1991T)
   1 objects were discovered by Kohoutek (1973F)
   1 objects were discovered by Krisztian Klajnik (AT1989ag)
   1 objects were discovered by Kuin (AT2020aafv)
   1 objects were discovered by L. Drissen, C. Robert, Y. Dutil, and J.-R. Roy, Departement de Physique, Univers (1996D)
   1 objects were discovered by Lampland (1923A)
   1 objects were discovered by Lane, Gray (1995F)
   1 objects were discovered by Le Borgne, Sanahuja, Maddox (1995O)
   1 objects were discovered by Lee, Zealey (1978D)
   1 objects were discovered by Leibundgut, Binggeli (1986C)
   1 objects were discovered by Leibundgut, Cameron (1986B)
   1 objects were discovered by Leonid Elenin (2011ij)
   1 objects were discovered by Liller, Brown (1992A)
   1 objects were discovered by Logan (1971L)
   1 objects were discovered by Lou Cox, Dick Post, (2014eb)
   1 objects were discovered by Lunar and Planetary Laboratory (2007Z)
   1 objects were discovered by Luyten (1907A)
   1 objects were discovered by Médéric Boquien, Dalya Baron, Lluís Galbany, Dovi Poznanski (AT2017boa)
   1 objects were discovered by M. Della Valle et. el. (2008hw)
   1 objects were discovered by M. Drout, D.S. Moon (AT2015cx)
   1 objects were discovered by M. M. M. Santangelo (2000dl)
   1 objects were discovered by M. Sugano (2013am)
   1 objects were discovered by MACHO collaboration (1999J)
   1 objects were discovered by MERLIN (Possible radio supernova in M82)
   1 objects were discovered by MUSSES (AT2020afay)
   1 objects were discovered by Malesani (AT2023vfi)
   1 objects were discovered by Marcario (1975H)
   1 objects were discovered by Marco Iozzi (AT2021rbb)
   1 objects were discovered by Martin, Williams (1994R)
   1 objects were discovered by Masao Shimizu, Hiroyuki Naito, Shin-ya Narusawa (AT2022adux)
   1 objects were discovered by Masaomi Tanaka, Nozomu Tominaga, Tomoki Morokuma, and Tomo-e Goze (2019cxx)
   1 objects were discovered by Maurice Gavin (2011az)
   1 objects were discovered by Mauro Biagetti and Giulia Iafrate (2008ea)
   1 objects were discovered by Maury, Phinney, Reid (1988N)
   1 objects were discovered by Mayall (1948B)
   1 objects were discovered by McDonald Observatory Supernova Search Team (1997cq)
   1 objects were discovered by Mendez (1963E)
   1 objects were discovered by Meusinger (1993ak)
   1 objects were discovered by Michael Lundquist (AT2019ehj)
   1 objects were discovered by Mikko Paivinen and Petri Kehusmaa (2008im)
   1 objects were discovered by Mikolajczak (1989N)
   1 objects were discovered by Mirco Villi, Mario Bombardini, Alessandro Benazzi (2014bg)
   1 objects were discovered by Mitchell (1994S)
   1 objects were discovered by Mohammad Odeh (2023rve)
   1 objects were discovered by Montarrenti Observatory Supernovae Search program (2010dy)
   1 objects were discovered by Monte Agliale Supernovae Search (2000bi)
   1 objects were discovered by Moraru (1992ak)
   1 objects were discovered by Muller, Pizarro (1982R)
   1 objects were discovered by Naval Research Laboratory (K0304-001)
   1 objects were discovered by Neagu (AT2020htx)
   1 objects were discovered by Nemec (1985H)
   1 objects were discovered by Nicholas Vieira (AT2019aacd)
   1 objects were discovered by Noergaard-Nielsen, Joergensen, Hansen (1988U)
   1 objects were discovered by Nunes, Pellegreni, et al. (1983P)
   1 objects were discovered by Odd Trondal (1999cb)
   1 objects were discovered by Okazaki (1983G)
   1 objects were discovered by P. Cacella (2017dgk)
   1 objects were discovered by PIKA (AT2020ler)
   1 objects were discovered by PSH (AT2020gcr)
   1 objects were discovered by Padova-Asiago Supernova Group (1999ey)
   1 objects were discovered by Paolo Fagotti (2012aw)
   1 objects were discovered by Paolo Sala (2000K)
   1 objects were discovered by Paparo (1976C)
   1 objects were discovered by Pat Pearl (2017ixh)
   1 objects were discovered by Patchick (1987L)
   1 objects were discovered by Paul Kuin (AT2019sbk)
   1 objects were discovered by Pease, Curtis (1912A)
   1 objects were discovered by Pesci, Mazza (1995al)
   1 objects were discovered by Peters, Challis (1994T)
   1 objects were discovered by Petrosian, Oganian (1987C)
   1 objects were discovered by Piero Mazza and Stefano Pesci (1996bk)
   1 objects were discovered by Pierre Antonini (2001dd)
   1 objects were discovered by Pizarro, Miranda, Pasquini, Leibundgut (1990I)
   1 objects were discovered by Pizarro, Schild (1983L)
   1 objects were discovered by Platon Kachalin (AT1984W)
   1 objects were discovered by Popescu et al. (1995ah)
   1 objects were discovered by Pronik (1983U)
   1 objects were discovered by R. A. Jansen et el. (2005bk)
   1 objects were discovered by R. Amanullah et el (2010lw)
   1 objects were discovered by Rafael Ferrando (2008hr)
   1 objects were discovered by Ralph Carter (AT2018rt)
   1 objects were discovered by Ralph Martin (2009jy)
   1 objects were discovered by Raychaudhury, Williger (1991P)
   1 objects were discovered by Reaves, (1966G)
   1 objects were discovered by Reinmuth (1901A)
   1 objects were discovered by Remillard, Brissenden, Halpern, Eracleous (1991D)
   1 objects were discovered by Robert Pickard (AT2022acht)
   1 objects were discovered by Roberto De Lorenzo (AT2017ixb)
   1 objects were discovered by Robledo (AT2020afbs)
   1 objects were discovered by Rohit Chinchwadkar (AT2018evs)
   1 objects were discovered by Rosker (1980I)
   1 objects were discovered by Ryder et al. (1978K)
   1 objects were discovered by SPitzer InfraRed Intensive Transients Survey (prof) (SPIRITS17lb)
   1 objects were discovered by STARGATE (2017htp)
   1 objects were discovered by STEP (AT2022rri)
   1 objects were discovered by Sackett (1994P)
   1 objects were discovered by Samaha (1935B)
   1 objects were discovered by Sandage (1955C)
   1 objects were discovered by Sanduleak (1981J)
   1 objects were discovered by Schmidt et al. (1995K)
   1 objects were discovered by Schurer (1957A)
   1 objects were discovered by Schuster (1980O)
   1 objects were discovered by Schweizer, Phillips (1978C)
   1 objects were discovered by Sebastian Gomez, Griffin Hosseinzadeh, Peter Blanchard, Edo Berger (Harvard CfA) (prof) (2019lwy)
   1 objects were discovered by Sebastian Otero, Victor Buso (2016gkg)
   1 objects were discovered by Seoul National University, Supernova Search Project (1999dm)
   1 objects were discovered by Sersic (1962M)
   1 objects were discovered by Shao (1977D)
   1 objects were discovered by Shelton, Duhalde, Jones (1987A)
   1 objects were discovered by Shigeru Furuyama (2011ir)
   1 objects were discovered by Shoji Suzuki (2006X)
   1 objects were discovered by Shuji Tokuoka (2021afsj)
   1 objects were discovered by Smith, Wells (1992bd)
   1 objects were discovered by Spitzer deep field (prof) (2007va)
   1 objects were discovered by Stanislav Korotkiy et al. (2008fe)
   1 objects were discovered by Stefano Valenti (AT2016evw)
   1 objects were discovered by Stephen Laurie (1997bq)
   1 objects were discovered by Steve Brady (2002kf)
   1 objects were discovered by Steve J. Fossey (2014J)
   1 objects were discovered by Steven Foulkes (2000C)
   1 objects were discovered by Supernova Legacy Survey (2005ky)
   1 objects were discovered by TAROT Calern telescope (2013hh)
   1 objects were discovered by Takao Kobayashi (2008ip)
   1 objects were discovered by Taniguchi (1988E)
   1 objects were discovered by Taurus Hill Observatory (2008fb)
   1 objects were discovered by Telescopio Nazionale Galileo (1999cn)
   1 objects were discovered by Teramo Observatory (2000E)
   1 objects were discovered by Tercu (AT2020rte)
   1 objects were discovered by Terlevich, Melnick (1984Z)
   1 objects were discovered by Thouvenot (1990N)
   1 objects were discovered by Tokarz, Garnavich (1995bb)
   1 objects were discovered by Tom Reiland (2011dh)
   1 objects were discovered by Tomas Ahumada (AT2022aaaa)
   1 objects were discovered by Travis Mong (2019rfi)
   1 objects were discovered by Treffers, Filippenko, Van Dyk, (prof) (1994D)
   1 objects were discovered by U.K. Infrared Telescope (Possible Supernova)
   1 objects were discovered by US Naval observatory (prof) (2004C)
   1 objects were discovered by University of Texas Observatory Supernova Search Team (prof) (1997ea)
   1 objects were discovered by Vázquez Ramió (AT2021aggv)
   1 objects were discovered by Vázquez Ramió (2020admb)
   1 objects were discovered by V. Nevski, V. Linkov and I. Molotov (PSN J10404316+3556581)
   1 objects were discovered by Vagnozzi, G. Piermarini, and V. Russo, S. Lucia Observatory  (1996ae)
   1 objects were discovered by Van Buren, Jarrett, Terebey, Beichman, Shure, Kamins (1992bu)
   1 objects were discovered by Van Dyk, Treffers, Filippenko, Paik (prof) (1994ae)
   1 objects were discovered by Van Maanen (1926B)
   1 objects were discovered by Van Winckel (1992C)
   1 objects were discovered by Very Large Array (2008iz)
   1 objects were discovered by Vitali Nevski (2010br)
   1 objects were discovered by Vito Tinella (2016bry)
   1 objects were discovered by Wachmann (1938B)
   1 objects were discovered by Wade (1976D)
   1 objects were discovered by Walter Robledo (AT2020lri)
   1 objects were discovered by William Keel, Judy Schmidt, Julianne Dalcanton (AT1992bv)
   1 objects were discovered by Witold Caban (AT2018hik)
   1 objects were discovered by Wittman et. el. (2000fq)
   1 objects were discovered by XSHOOTER GTO program (2010ma)
   1 objects were discovered by Y.-S. Tsai and K.-C. Liu (2006ds)
   1 objects were discovered by Yakimov (1966B)
   1 objects were discovered by Yasuhide Fujita (2008L)
   1 objects were discovered by Yu-Chi Cheng (PSN J16364480+0140470)
   1 objects were discovered by Yuji Tanaka (2018ast)
   1 objects were discovered by Z. Kuli, K. Sá (2011ab)
   1 objects were discovered by Zaytseva (1963I)
   1 objects were discovered by Zhihao Zhong, Hongyan Zhou, Luming Sun (AT2015cq)
   1 objects were discovered by ePESSTO (AT2018cux)
   1 objects were discovered by hueler (1572)
   1 objects were discovered by van Agt (1970N)
   1 objects were discovered by van Gorkom, Rupen, Knapp, Gunn (1986J)
   1 objects were discovered by van den Bergh (1969O)
   1 objects were discovered by van der Kruit, Arp (1974C)
   0 objects were discovered by  ()

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