Designation reference date(UT) R.A. (2000) Decl. Mag. Observer
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P/2019 A1 (PANSTARRS) MPEC2019-A101 2019 Jan. 03.62687 10 17 27.931+10 03 36.00 20.5 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
P/2019 A2 (ATLAS) MPEC2019-A126 2019 Jan. 04.48478007 42 25.19 +11 40 41.2 18.70c (T05:ATLAS-HKO, Haleakala.), 0.5-m reflector + CCD.
P/2019 A3 (PANSTARRS) MPEC2019-A166 2019 Jan. 03.26880 01 06 49.184+11 01 03.54 21.9 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
P/2019 A4 (PANSTARRS) MPEC2019-B044 2019 Jan. 10.36534 07 36 21.791+18 24 35.82 20.6 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 A5 (PANSTARRS) MPEC2019-B045 2019 Jan. 13.49202 09 28 18.252-02 46 27.22 21.5 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
P/2019 A6 (Lemmon-PANSTARRS) MPEC2019-B046 2019 Jan. 07.51449 09 01 17.928-09 54 29.24 20.7 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
P/2019 A7 (PANSTARRS) MPEC2019-B066 2019 Jan. 08.37792 08 25 17.155+10 02 51.25 20.4 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
P/2019 A8 (PANSTARRS) MPEC2019-C020 2019 Jan. 11.63967 15 05 16.255-14 44 16.05 21.5 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 A9 (PANSTARRS) MPEC2019-C053 2019 Jan. 14.26637 04 58 41.909+69 41 40.89 20.3 i (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 B1 (Africano) MPEC2019-B065 2019 Jan. 19.47745 13 41 40.77 +55 35 16.9 17.8 G B. M. Africano.(703:Catalina Sky Survey), 0.68-m Schmidt + 10K CCD.
P/2019 B2 (Groeller) MPEC2019-C021 2019 Jan. 26.31403 09 24 41.56 -02 44 31.9 18.0 G H. Groeller(703 Catalina Sky Survey.), 0.68-m Schmidt + 10K CCD.
C/2019 B3 (PANSTARRS) MPEC2019-D041 2019 Jan. 24.58054 12 20 43.527-37 35 36.82 19.6 i (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
A/2019 C1 MPEC2019-D042 2019 Feb. 05.45997608 39 48.24 -23 02 23.3 17.75o (T08:ATLAS-MLO, Mauna Loa. ), 0.5-m reflector + CCD.
r 377P/2003 L1 = 2019 E1 (Scotti) MPEC2019-E080 2019 Mar. 09.10987 11 35 12.12 -06 40 13.0 20.3 G D. Abreu (J04:ESA Optical Ground Station, Tenerife.) 1.0-m f/4.4 reflector + CCD.
r 378P/2005 Y2 = 2019 E2 (McNaught) MPEC2019-F027 2019 Mar. 10.13626 14 25 00.39 +08 33 47.8 21.9 G E. Schwab (J04:ESA Optical Ground Station, Tenerife.) 1.0-m f/4.4 reflector + CCD.
C/2019 E3 (ATLAS) MPEC2019-F054 2019 Mar. 05.42678010 14 03.12 -37 05 03.2 18.45o (T08:ATLAS-MLO, Mauna Loa. ), 0.5-m reflector + CCD.
C/2019 D1 (Flewelling) MPEC2019-F053 2019 Feb. 26.64502918 38 18.96 -11 49 12.0 16.75o H. Flewelling (T08:ATLAS-MLO, Mauna Loa. ), 0.5-m reflector + CCD.
r 379P/2006 F4 = 2019 D2 (Spacewatch) MPEC2019-G021 2019 Feb. 28.38006 11 33 44.63 -02 54 37.9 20.1 G R. Weryk (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 F1 (ATLAS-Africano) MPEC2019-G124 2019 Mar. 29.41900 14 12 40.39 +08 14 02.8 18.4 G B. M. Africano (G96:Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.
C/2019 F2 (ATLAS) MPEC2019-H029 2019 Mar. 26.30690207 21 22.57 +05 45 22.0 17.58o (T08:ATLAS-MLO, Mauna Loa), 0.5-m reflector + CCD.
380P/2019 G1 = 2011 O2 (PANSTARRS) MPEC2019-G123 2019 Apr. 03.50620 14 33 34.944-02 57 02.97 19.9 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
A/2019 G2 MPEC2019-H030 2019 Apr. 02.44043 13 29 10.279-04 26 38.73 21.3 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
A/2019 G3 MPEC2019-H031 2019 Apr. 04.49046 14 49 04.233-24 17 53.19 21.6 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
A/2019 G4 MPEC2019-H032 2019 Apr. 09.24593 10 17 02.377-29 14 36.65 21.4 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
P/2019 GG21 (PANSTARRS) MPEC2019-H044 2019 Apr. 04.39692 11 54 07.913-02 47 07.49 21.0 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 H1 (NEOWISE) MPEC2019-J024 2019 Apr. 18.88400 19 53 10.06 -04 11 27.2 18 R (C51:WISE)
C/2019 J1 (Lemmon) MPEC2019-J122 2018 May 04.44780 19 58 51.97 -18 53 16.3 17.4 G (G96:Mt. Lemmon Survey. ), 1.5-m reflector + 10K CCD.
C/2019 J2 (Palomar) MPEC2019-J123 2018 May 09.47377300 11 51.95 +45 12 43.6 16.86r (I41:Mt. Palomar Mountain--ZTF.), 1.2-m f/2.4 Oschin Schmidt.
C/2019 J3 (ATLAS) MPEC2019-K014 2019 May 14.54253520 23 52.92 -31 36 37.3 18.73o (T05:ATLAS-HKO, Haleakala.), 0.5-m reflector + CCD.
C/2019 JU6 (ATLAS) MPEC2019-K018 2019 May 12.57373521 24 54.26 +20 28 23.7 18.82o (T05:ATLAS-HKO, Haleakala.), 0.5-m reflector + CCD.
C/2019 K1 (ATLAS) MPEC2019-K013 2019 May 16.48248317 16 29.89 -24 33 15.3 17.18o (T08:ATLAS-MLO, Mauna Loa), 0.5-m reflector + CCD.
r 381P/2000 S4 = P/2019 K2 (LINEAR-Spacewatch) MPEC2019-L011 2019 May 29.57499 21 49 39.576+11 59 02.49 21.6 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
r 382P/2007 R1 = P/2019 K3 (Larson) MPEC2019-L042 2019 May 31.45154 16 41 08.967-13 23 24.69 22.0 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 K4 (Ye) MPEC2019-M070 2019 May 30.46046301 13 24.87 +45 07 57.0 17.14r Q.-Z. Ye (I41:Palomar Mountain--ZTF.), 1.2-m f/2.4 Oschin Schmidt.
C/2019 K5 (Young) MPEC2019-M086 2019 May 25.59037100 09 43.68 +05 34 19.9 17.10o D. Young (T08:ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
A/2019 K6 MPEC2019-N010 2019 May 31.55619 17 31 08.374+16 32 19.90 21.1 w (F52:Pan-STARRS 2, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 K7 (Smith) MPEC2019-N012 2019 May 30.56534 22 23 48.17 -34 43 04.0 17.7 c K. Smith (T05 :TLAS-HKO, Haleakala), 0.5-m reflector + CCD.
C/2019 K8 (ATLAS) MPEC2019-N013 2019 May 27.56612019 41 51.61 +63 02 46.2 17.94o (T08:ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
C/2019 L1 (PANSTARRS) MPEC2019-M077 2019 June 12.52773 20 07 38.538-12 07 02.73 20.1 w (F52:Pan-STARRS 2, Haleakala), 1.8-m Ritchey-Chretien + CCD.
C/2019 L2 (NEOWISE) MPEC2019-M093 2019 June 11.78358 22 38 00.69 +23 02 30.0 18 R (C51:WISE)
C/2019 L3 (ATLAS) MPEC2019-N011 2019 June 10.56200122 50 05.84 +41 52 31.3 18.18o (T05:TLAS-HKO, Haleakala), 0.5-m reflector + CCD.
C/2019 LB7 (Kleyna) MPEC2019-N032 2019 June 07.59119101 19 14.221+08 28 20.28 23.4 G J. Kleyna,(568 Mauna Kea), 8.2-m Subaru Telescope + CCD, 3.6-m Canada-France-Hawaii Telescope + CCD.
r 383P/2006 S1 = P/2019 M1 (Christensen) MPEC2019-N062 2019 June 25.89686 17 31 40.73 -01 04 57.8 19.9 T K. Sarneczky,(461 University of Szeged, Piszkesteto Stn. (Konkoly)), 0.60-m Schmidt + CCD.
P/2019 M2 (ATLAS) MPEC2019-O008 2019 June 29.58115800 31 40.48 -18 25 30.9 18.36o (T08:ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
C/2019 M3 (ATLAS) MPEC2019-O023 2019 June 30.51712523 08 03.29 +37 16 02.4 19.39c (T05:TLAS-HKO, Haleakala), 0.5-m reflector + CCD.
C/2019 N1 (ATLAS) MPEC2019-N160 2019 July 05.54128721 51 50.51 +82 15 31.4 18.68o (T08:ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
r 384P/2014 U2 = P/2019 O1 (Kowalski) MPEC2019-O084 2019 July 27.80516 00 19 11.22 -06 50 21.0 H. Sato (Q62 iTelescope Observatory, Siding Spring), 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
A/2019 O2 MPEC2019-P054 2019 July 24.52254 20 20 35.845+75 40 48.02 20.5 i (F51 Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
A/2019 O3 MPEC2019-P055 2019 July 26.22325019 41 50.43 +12 36 48.6 19.30r (I41 Palomar Mountain--ZTF.), 1.2-m f/2.4 Oschin Schmidt,
A/2019 O4 MPEC2019-P056 2019 July 27.59290 22 57 52.254+23 54 51.19 21.4 w (F51:Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
r 385P/2010 U2 = P/2019 P1 (Hill) MPEC2019-P061 2019 Aug. 02.05151 03 03 18.97 +26 26 36.7 20.4 T K. Sarneczky,(461 University of Szeged, Piszkesteto Stn. (Konkoly)), 0.60-m Schmidt + CCD.
A/2019 Q1 MPEC2019-R092 2019 Aug. 28.40118 01 58 26.28 +20 49 45.2 20.6 G (G96 Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.
A/2019 Q2 MPEC2019-R101 2019 Aug. 24.57507001 32 29.93 -21 58 35.5 18.75o (T08 ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
C/2019 Q3 (PANSTARRS) MPEC2019-R102 2019 Aug. 29.24686 22 05 48.442-09 55 50.27 21.1 w (F51 Pan-STARRS 1, Haleakala), 1.8-m Ritchey-Chretien + CCD.
2I/2019 Q4 (Borisov) MPEC2019-R106 2019 Aug. 30.04398 08 26 37.82 +33 39 52.7 17.8 R G. Borisov (L51 MARGO, Nauchnij), 0.65-m f/1.5 astrograph + CCD.
r 387P/2008 Y1 = P/2019 R1 (Boattini) MPEC2019-R083 2019 Sept.02.00918 06 49 02.98 +25 42 48.1 15.8 R G. Borisov (L51 MARGO, Nauchnij), 0.65-m f/1.5 astrograph + CCD.
r 388P/2007 T4 = P/2019 R2 (Gibbs) MPEC2019-R084 2019 Sept.05.47589 08 16 11.30 +36 25 24.9 18.7 G H. Sato (H06 iTelescope Observatory, Mayhill), 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
r 389P/2006 R1 = P/2019 S1 (Siding Spring) MPEC2019-S105 2019 Sept.25.52539 02 43 31.887+03 53 41.88 20.5 w (F51 Pan-STARRS 1, Haleakala.) 1.8-m Ritchey-Chretien + CCD.
P/2019 S2 (PANSTARRS) MPEC2019-T080 2019 Sept.28.37426 22 42 43.047-21 51 49.04 21.6 w (F51 Pan-STARRS 1, Haleakala.) 1.8-m Ritchey-Chretien + CCD.
P/2019 S3 (PANSTARRS) MPEC2019-T082 2019 Sept.25.53553 02 29 40.035+01 08 07.18 20.7 w (F51 Pan-STARRS 1, Haleakala.) 1.8-m Ritchey-Chretien + CCD.
A/2019 S4 MPEC2019-T083 2019 Sept.17.45385 04 56 04.21 +55 27 22.9 20.3 G (G96 Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.
r 393P/2009 SK280 = P/2019 S5 (Spacewatch-Hill) MPEC2019-V147 2019 Sept.24.28909 00 29 27.025-10 37 38.92 21.5 r S. Sheppard(807 Cerro Tololo Observatory, La Serena) 4.0-m CTIO reflector + CCD.
A/2019 T1 MPEC2019-U008 2019 Oct. 08.42621 22 07 18.913+22 41 11.74 20.7 i (F52:Pan-STARRS 2, Haleakala), 1.8-m Ritchey-Chretien + CCD.
A/2019 T2 MPEC2019-U009 2019 Oct. 09.13659 21 59 20.55 +30 25 55.6 20.6 (G96 Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.
C/2019 T3 (ATLAS) MPEC2019-U010 2019 Oct. 06.61067907 44 17.34 +75 24 50.5 18.93o (T08 ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
C/2019 T4 (ATLAS) MPEC2019-U099 2019 Oct. 09.58199506 42 24.59 -30 14 51.1 19.39c (T05 ATLAS-HKO, Haleakala.), 0.5-m reflector + CCD.
C/2019 T5 (ATLAS) MPEC2019-U116 2019 Oct. 08.61443609 21 57.52 -06 39 48.6 18.99o (T08 ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
P/2019 T6 (PANSTARRS) MPEC2019-U140 2019 Oct. 08.46955 03 06 30.261-06 35 11.93 19.6 i (F52 Pan-STARRS 2, Haleakala.), 1.8-m Ritchey-Chretien + CCD.
r 390P/2006 W1 = P/2019 U1 (Gibbs) MPEC2019-U163 2019 Oct. 21.24755419 22 54.22 -16 05 02.7 18.45c A. Fitzsimmons (T05 ATLAS-HKO, Haleakala.) 0.5-m reflector + CCD.
r 391P/2006 F1 = P/2019 U2 (Kowalski) MPEC2019-U193 2019 Oct. 22.01332 01 43 49.46 -17 31 17.5 20.3 N K. Hills (J22 Tacande Observatory, La Palma.) 0.5-m f/2.9 astrograph + + CCD.
r 392P/2004 WR9 = P/2019 U3 (LINEAR) MPEC2019-U245 2019 Oct. 26.96314 02 12 51.42 +14 51 39.0 19.2 R K. Sarneczky(K88 GINOP-KHK) 0.60-m Schmidt + CCD.
P/2019 U4 (PANSTARRS) MPEC2019-U246 2019 Oct. 25.53172703 01 37.378+09 07 41.19 21.11w (F51 Pan-STARRS 1, Haleakala.) 1.8-m Ritchey-Chretien + CCD.
C/2019 V1 (Borisov) MPEC2019-V130 2019 Nov. 01.98562 06 12 14.04 +18 50 35.5 19.0 R G. Borisov (L51 MARGO, Nauchnij), 0.65-m f/1.5 astrograph + CCD.
P/2019 V2 (Groeller) MPEC2019-W132 2019 Nov. 03.50088 09 25 08.41 +04 49 04.0 20.7 G H. Groeller (G96 Mt. Lemmon Survey.), 1.5-m reflector + 10K CCD.
P/2019 W1 (PANSTARRS) MPEC2019-Y037 2019 Nov. 29.54123406 36 55.608+48 33 37.94 20.54w (F51 Pan-STARRS 1, Haleakala.) 1.8-m Ritchey-Chretien + CCD.
P/2019 X1 (Pruyne) MPEC2019-X103 2019 Dec. 02.36583 07 07 29.09 +32 48 29.2 19.4 G T. A. Pruyne (G96 Mt. Lemmon Survey.) 1.5-m reflector + 10K CCD.
P/2019 X2 (PANSTARRS) MPEC2020-A121 2019 Dec. 04.57856 08 27 59.438+04 58 50.25 21.6 w (F52 Pan-STARRS 2, Haleakala.) 1.8-m Ritchey-Chretien + CCD.
C/2019 Y1 (ATLAS) MPEC2020-A072 2019 Dec. 16.22625523 50 18.15 -40 27 18.4 17.90o (T05 ATLAS-HKO, Haleakala.), 0.5-m reflector + CCD.
P/2019 Y2 (Fuls) MPEC2020-A091 2019 Dec. 21.53226 12 26 24.26 +02 41 27.9 18.8 G D. C. Fuls(G96 Mt. Lemmon Survey.) 1.5-m reflector + 10K CCD.
P/2019 Y3 (Catalina) MPEC2020-A109 2019 Dec. 17.53472 13 54 30.69 -08 18 45.9 (703 Catalina Sky Survey.) 0.68-m Schmidt + 10K CCD.
C/2019 Y4 (ATLAS) MPEC2020-A112 2019 Dec. 28.59683411 44 23.74 +30 49 19.4 19.63o (T08 ATLAS-MLO, Mauna Loa.), 0.5-m reflector + CCD.
