Designation                                      reference          date(UT)        R.A. (2000) Decl.        Mag.   Observer               
-----------------------------------------------------------------------------------------------------------------------------------
     C/2020 A2 (Iwamoto)                         MPEC2020-A132  2020 Jan. 08.8604  17 52 58.28 +05 44 30.0   12.8 R M. Iwamoto (872 Tokushima.)
     C/2020 A3 (ATLAS)                           MPEC2020-B060  2020 Jan. 07.59635012 21 53.60 -37 12 48.2   18.92o (T08 ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
     C/2020 B2 (Lemmon)                          MPEC2020-C110  2020 Jan. 19.45021 12 39 26.74 +41 28 36.0   21.1 G (G96 Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.
     C/2020 B3 (Rankin)                          MPEC2020-C111  2020 Jan. 29.44428 12 22 36.26 -08 10 01.5   19.3 G D. Rankin. (G96 Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.