Supernova discovery statistics

This list of objects going back 18 months. If there are other statistics you are interested in, please let me know.
Page re-generated at: 2020/01/22.176 UT

For the years covered, 24287 supernovae and 130 extragalactic novae were reported.
3382 of these supernovae were named by CBAT,
20457 were given possible supernova designations,
and 448 were not reported to CBAT.
371 supernovae were found in NGC/IC galaxies, 1888 were found in named galaxies
284 objects were discovered by amateurs
5 were brighter than 13th Magnitude
186 were brighter than 16th Magnitude
2441 were brighter than 18th Magnitude
2733 Type I supernovae were found
  2324 Type Ia
  55 Type Ib
  87 Type Ic
  263 Type I-pec
723 Type II supernovae were found
  92 Type IIn
  77 Type IIP
  52 Type IIb
  3 Type IIL
  20 Type II-pec
12 LBV (supernova impostors) were found
20730 were untyped
Of the 130 novae that were reported  35 were reported to CBAT and 95 were not
  5 were given official names by CBAT
  81 were found in M31
  13 were found in M81
  6 were found in M33
  84 were untyped


7812 objects were discovered by ZTF (prof) (AT2020ahd)
6726 objects were discovered by PS1 (prof) (AT2020aik)
3613 objects were discovered by ATLAS (prof) (AT2020aky)
2347 objects were discovered by Gaia (prof) (AT2020aio)
1149 objects were discovered by ALeRCE (prof) (AT2019vrk)
 650 objects were discovered by PTF (prof) (AT2019zqf)
 555 objects were discovered by CRTS (prof) (AT2019toy)
 521 objects were discovered by ASAS-SN (prof) (AT2020ais)
 197 objects were discovered by OGLE (prof) (AT2020aic)
 192 objects were discovered by DECam-GROWTH (prof) (AT2019tij)
 143 objects were discovered by MASTER (prof) (AT2020akd)
  54 objects were discovered by TNTS (prof) (2019pgo)
  40 objects were discovered by PMO-Tsinghua Supernova Survey (PTSS) (prof) (2019fzl)
  36 objects were discovered by DESGW (prof) (AT2019omt)
  35 objects were discovered by XOSS (AT2020B)
  31 objects were discovered by Koichi Itagaki (Nova M31 2020-01a?)
  28 objects were discovered by Superluminous Supernovae in the Epoch of Reionization (prof) (AT2018gzr)
  27 objects were discovered by Kamil Hornoch et al. (AT2019sxc)
  23 objects were discovered by LOSS (prof) (2019pjs)
  23 objects were discovered by Tim Puckett, Jack Newton, et al. (AT2019kae)
  17 objects were discovered by SPitzer InfraRed Intensive Transients Survey (prof) (SPIRITS19br)
  16 objects were discovered by DLT40 (prof) (AT2019udc)
   9 objects were discovered by BraTS (AT2019uni)
   9 objects were discovered by Emmanuel Conseil (AT2019pih)
   9 objects were discovered by GSNST (AT2019plm)
   9 objects were discovered by Italian Supernovae Search Project (2019zhs)
   9 objects were discovered by Malhar R. Kendurkar (AT2018hce)
   9 objects were discovered by Stu Parker (2019icv)
   6 objects were discovered by Dennis Denisenko (AT2019xuq)
   6 objects were discovered by GOTO (prof) (AT2019wpk)
   6 objects were discovered by GRAWITA (prof) (AT2019qca)
   6 objects were discovered by Galaxy Zoo (AT2018lqd)
   6 objects were discovered by Jaroslaw Grzegorzek (2019wzj)
   5 objects were discovered by Perez-Fournon (AT2019ttv)
   5 objects were discovered by SAGUARO (AT2019sgn)
   3 objects were discovered by Gattini (AT2019rsl)
   3 objects were discovered by George Carey (AT2019rsi)
   2 objects were discovered by Berto Monard (AT2019ihd)
   2 objects were discovered by David Sand, Wen-fai Fong, Kerry Paterson, Michael Lundquist (SAGUARO) (AT2019kys)
   2 objects were discovered by GLGW (AT2019ytf)
   2 objects were discovered by Koichi Nishiyama and Fujio Kabashima (AT2018hld)
   2 objects were discovered by Patrick Wiggins (2018gwo)
   2 objects were discovered by Rohit Chinchwadkar (AT2018feu)
   1 objects were discovered by AZTEC (Arizona Transient Exploration and Characterization) (AZTEC18xx)
   1 objects were discovered by Amaral (AT2019dkc)
   1 objects were discovered by Blaz Mikuz (AT2018hhm)
   1 objects were discovered by Corona Borealis Observatory Supernova Survey (CSNS) (2018lcd)
   1 objects were discovered by Denisenko (AT2019zrn)
   1 objects were discovered by Greg Bock (2018ecf)
   1 objects were discovered by Herman Mikuz (PIKA) (2018kzc)
   1 objects were discovered by Lundquist (AT2019vlf)
   1 objects were discovered by Malhar Kendurkar and Cedric Raguenaud (AT2018fhy)
   1 objects were discovered by Marco Russiani (AT2019bia)
   1 objects were discovered by Masaomi Tanaka, Nozomu Tominaga, Tomoki Morokuma, and Tomo-e Goze (2019cxx)
   1 objects were discovered by Michael Lundquist (AT2019ehj)
   1 objects were discovered by Paul Kuin (AT2019sbk)
   1 objects were discovered by Peter Marples, Greg Bock, Pat Pearl (2019mhm)
   1 objects were discovered by Sebastian Gomez, Griffin Hosseinzadeh, Peter Blanchard, Edo Berger (Harvard CfA) (prof) (2019lwy)
   1 objects were discovered by Travis Mong (2019rfi)
   1 objects were discovered by Witold Caban (AT2018hik)

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