Designation                                      reference          date(UT)        R.A. (2000) Decl.        Mag.   Observer               
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     C/2016 VZ18 (PANSTARRS)                     CBET 4350      2016 Oct. 08.53586 03 21 59.047-17 35 32.49  22.9 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2016 WM48 (Lemmon)                        CBET 4395      2016 Nov. 30.24294 04 08 35.46 +03 45 30.7   19.0 T (G96:Mt. Lemmon Survey.) 1.5-m reflector + CCD.

     C/2017 A1 (PANSTARRS)                       CBET 4340      2017 Jan. 02.33301 05 22 43.326-24 40 38.44  19.6 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
  348P/2017 A2 = 2011 A5 (PANSTARRS)             CBET 4341      2017 Jan. 02.57733 11 10 09.216-00 44 19.03  21.3 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 A3 (Elenin)                          CBET 4344      2017 Jan. 05.45843 06 52 57.13 -51 07 47.8   17.6 T L. Elenin (Q60:ISON-SSO Observatory, Siding Spring), 0.4-m f/2.4 reflector + CCD.
  349P/2017 B1 = 2010 EY90 (Lemmon)              CBET 4348      2017 Jan. 07.48062 12 24 28.05 -04 28 08.3   20.3 T R. A. Kowalski (G96:Mt. Lemmon Survey), 1.5-m reflector + 10K CCD.
r 350P/2010 J5 = 2017 B2 (McNaught)              CBET 4352      2017 Jan. 26.51769 11 44 35.37 +11 34 39.5   22.5 N J. V. Scotti (291:LPL/Spacewatch II), 1.8-m f/2.7 reflector + CCD.
     C/2017 B3 (LINEAR)                          CBET 4354      2016 Jan. 26.43489 12 55 27.44 -24 29 59.2   19.2 T (G45:Space Surveillance Telescope, Atom Site), 3.5-m f/1 reflector + CCD.
     C/2017 B4 (PANSTARRS)                       CBET 4355      2017 Jan. 28.38604 09 48 15.127+22 20 21.33  21.2 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
  354P/2010 A2 = 2017 B5 (LINEAR)                CBET 4405      2017 Jan. 26.42602 08 03 07.82 +23 39 55.6          Y. Kim (568 Mauna Kea.)
     C/2017 C1 (NEOWISE)                         CBET 4358      2017 Feb. 06.09420 17 22 14.63 +60 41 48.9   19   T (C51:WISE)
     C/2017 C2 (PANSTARRS)                       CBET 4362      2017 Feb. 04.25802 03 05 52.448+58 09 23.91  19.6 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2017 D1 (Fuls)                            CBET 4365      2017 Feb. 21.35095 10 20 46.95 +39 10 12.6   19.8 T D. C. Fuls (G96 Mt. Lemmon Survey), 1.5-m reflector + 10K CCD.
     C/2017 D2 (Barros)                          CBET 4366      2017 Feb. 23.30751 19 02 43.85 -48 11 58.0   17.4 T J. Barros (Y00 SONEAR Observatory, Oliveira) 0.45-m f/2.9 reflector + CCD.
     C/2017 D3 (ATLAS)                           CBET 4367      2017 Feb. 23.60692 13 25 53.87 -35 31 25.1   18.0 T (T05 ATLAS-HKO, Haleakala) 0.5-m f/2.0 Schmidt + CCD.
     P/2017 D4 (PANSTARRS)                       CBET 4368      2017 Feb. 25.43687 10 26 36.901-05 52 23.52  20.6 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 D5 (PANSTARRS)                       CBET 4378      2017 Feb. 23.23900 06 56 45.200-32 53 36.02  20.4 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 E1 (Borisov)                         CBET 4369      2017 Mar. 01.10404 19 05 32.18 -10 33 48.1   17.0 T G. Borisov (L51:MARGO, Nauchnij) 0.4-m f/2.3 astrograph + CCD.
     C/2017 E2 (Tsuchinshan)                     CBET 4370      2017 Mar. 01.82132 13 32 26.43 +07 10 06.8   19.7 T (D29:Purple Mountain Observatory, XuYi Station) 1.04-m f/1.8 Schmidt + CCD.
     C/2017 E3 (PANSTARRS)                       CBET 4372      2017 Mar. 07.52715 13 10 09.956-47 17 37.36  19.2 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 E4 (Lovejoy)                         CBET 4373      2017 Mar. 09.68448 18 50 54.15 -32 58 34.3   15.0 T T. Lovejoy (Q80:Birkdale) 0.36-m f/1.9 Schmidt-Cassegrain + CCD.
     C/2017 E5 (Lemmon)                          CBET 4379      2017 Mar. 04.40551 13 54 55.79 +31 48 08.4   20.1 T (G96:Mt. Lemmon Survey) 0.41-m f/3.75 astrograph + CCD.
     C/2017 F1 (Lemmon)                          CBET 4380      2017 Mar. 20.19190 08 42 49.50 +37 01 41.8   21.7 T (G96:Mt. Lemmon Survey) 0.41-m f/3.75 astrograph + CCD.
     C/2017 F2 (PANSTARRS)                       CBET 4381      2017 Mar. 31.40889 12 01 22.222+46 20 42.98  21.2 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2017 G1 (PANSTARRS)                       CBET 4382      2017 Mar. 25.42796 12 46 15.600-09 48 50.25  21.4 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2017 G2 (PANSTARRS)                       CBET 4384      2017 Mar. 18.54589 13 09 19.632+67 53 26.14  20.5 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 G3 (PANSTARRS)                       CBET 4385      2017 Apr. 07.57471 15 03 26.845+14 42 11.68  19.6 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 K1 (PANSTARRS)                       CBET 4392      2017 May  21.40011 15 45 41.771-28 17 47.76  20.3 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 K2 (PANSTARRS)                       CBET 4393      2017 May  21.49169 17 52 21.398+64 30 27.80  20.8 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2017 K3 (Gasparovic)                      CBET 4396      2017 May  22.59653 16 13 48.51 -28 23 37.6   19.4 T G. Gasparovic (Q62:iTelescope Observatory, Siding Spring),  0.43-m f/6.8 astrograph + CCD.
     C/2017 K4 (ATLAS)                           CBET 4397      2017 May  26.51169 17 12 16.32 -39 08 52.2   17.0 T (T05:ATLAS-HKO, Haleakala.), 0.5-m f/2.0 Schmidt + CCD.
     C/2017 K5 (PANSTARRS)                       CBET 4398      2017 May  27.46475 18 04 39.327+45 18 24.93  22.0 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 K6 (Jacques)                         CBET 4399      2017 May  29.31366 22 57 22.46 -56 59 20.7   17.5 T C. Jacques (Y00:SONEAR Observatory, Oliveira), 0.45-m f/2.9 reflector + CCD.
r 352P/2000 S1 = 2017 L1 (Skiff)                 CBET 4402      2017 June 05.80829 00 21 33.78 -16 22 10.3          H. Sato (Q62:iTelescope Observatory, Siding Spring) 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
r 353P/2009 S2 = 2017 M1 (McNaught)              CBET 4404      2017 June 19.01345 20 35 23.37 -12 02 36.7   19.9 T K. Sarneczky (461:University of Szeged, Piszkesteto Stn) 0.60-m Schmidt + CCD.
r 355P/2004 T1 = 2017 M2 (LINEAR-NEAT)           CBET 4406      2017 June 21.17155 00 34 26.33 -09 23 02.6   19.6 T P. Ruiz (J04:ESA Optical Ground Station) 1.0-m f/4.4 reflector + CCD.
     C/2017 M3 (PANSTARRS)                       CBET 4407      2017 June 20.29425 12 10 29.715+62 48 03.12  21.1 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 M4 (ATLAS)                           CBET 4408      2017 June 21.57716 21 41 25.67 +68 55 30.3   18.3 T (T08:ATLAS-MLO, Mauna Loa), 0.5-m f/2.0 Schmidt + CCD.
     C/2017 M5 (TOTAS)                           CBET 4410      2017 June 23.06510 18 30 03.94 -06 46 54.2   18.6 T (J04:ESA Optical Ground Station, Tenerife), 1.0-m f/4.4 reflector + CCD.
     C/2017 O1 (ASASSN)                          CBET 4414                                                          ASAS-SN
r 356P/2010 D1 = 2017 O2 (WISE)                  CBET 4418      2017 July 30.54206 00 42 00.182+01 58 12.80  21.1 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
r 358P/2012 T1 = 2017 O3 (PANSTARRS)             CBET 4425      2017 July 28.18964121 58 20.27 -26 33 12.4   24.4 T M. Mommert, J. Agarwal(I33 SOAR, Cerro Pachon), 4.1-m Cassegrain + CCD.
     P/2017 P1 (PANSTARRS)                       CBET 4420      2017 July 27.47518 21 09 02.959-06 37 57.72  20.8 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 P2 (PANSTARRS)                       CBET 4423      2017 Aug. 14.25763 16 03 27.317+34 46 00.68  21.9 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
r 357P/2008 T4 = 2017 Q1 (Hill)                  CBET 4421      2017 July 25.56262 23 09 03.559-14 18 48.00  23.4 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
r 359P/2007 RS41 = 2017 Q2 (LONEOS)              CBET 4424      2017 Aug. 22.48218 00 05 27.952-04 55 09.29  20.6 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2017 R1 (PANSTARRS)                       CBET 4430      2017 Sept.14.40860 23 22 54.116-05 45 26.07  21.2 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
r 360P/2010 P4 = 2017 S1 (WISE)                  CBET 4429      2017 Sept 20.09698 01 24 16.78 +17 13 22.9   19.4 N D. Abreu (J04:ESA Optical Ground Station, Tenerife), 1.0-m f/4.4 reflector + CCD.
     C/2017 S2 (PANSTARRS)                       CBET 4431      2017 Sept.16.49961 01 32 39.254-04 24 38.79  20.9 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     C/2017 S3 (PANSTARRS)                       CBET 4432      2017 Sept.23.24099 17 48 04.921+73 58 18.70  21.5 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
  361P/2006 UR111 = 2017 S4 (Spacewatch)         CBET 4433      2017 Sept.16.41616 23 50 00.977+08 00 53.77  20.1 T (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
     P/2017 S5 (ATLAS)                           CBET 4434      2017 Sept.11.52132 01 02 06.39 +25 59 41.1   18.5 T (T05 ATLAS-HKO, Haleakala), 0.5-m f/2.0 Schmidt + CCD.
     C/2017 S6 (Catalina)                        CBET 4437      2017 Sept.30.41404 07 01 10.39 +47 10 13.4   17.9 T (703:Catalina Sky Survey), 0.68-m Schmidt + 10K CCD.
     C/2017 S7 (Lemmon)                          CBET 4438      2017 Sept.26.46499 05 25 42.49 +09 42 09.9   19.6 T (G96:Mt. Lemmon Survey), 1.5-m reflector + 10K CCD.
     C/2017 T1 (Heinze)                          CBET 4444      2017 Oct. 02.59791 08 18 57.68 -04 06 01.3   18.2 T A. Heinze (T08:ATLAS-MLO, Mauna Loa), 0.5-m f/2.0 Schmidt + CCD.
inserted by FC2 system