Designation (and name) Period Last obs. code Mag.
410P/NEAT-LINEAR = P/2005 CR16 = 2003 WR168 = 2020 W2 17.1 2021 Jan. 15 F52 20.9 w
411P/Christensen = P/2007 B1 = 2020 W3 14.0 2021 Feb. 08 Q11 19.0 T
412P/WISE = P/2010 B2 = 2020 Y1 5.49 2021 Jan. 17 F52 21.4 w
413P/Larson = P/2014 E1 = 2020 W4 7.15 2021 Feb. 08 Q11 18.6 T
414P/STEREO = P/2016 J3 = 2021 A3 4.67 2021 Jan. 18 349 13.0 T
415P/Tenagra = P/2013 EW90 = 2020 Y4 8.35 2021 Feb. 08 X03 18.6 V
416P/Scotti = P/2013 A2 = 2021 A8 8.04 2021 Jan. 17 F51 20.45w
417P/NEOWISE = P/2015 J3 = 2021 B1 6.13 2021 Feb. 09 X03 20.6 V
418P/LINEAR = P/2010 A5 = 2020 Y5 11.4 2021 Feb. 08 Q11 19.4 T
419P/PANSTARRS = P/2015 F1 = 2021 A11 6.61 2021 Mar. 20 G96 20.33G
420P/Hill = P/2009 Q1 = 2021 E1 13.0 2021 Mar. 14 J04 20.9 G
421P/McNaught = P/2009 U4 = 2020 H10 11.4 2020 May 25 F51 21.8 w
422P/Christensen = P/2006 S4 = 2021 L1 15.9 2021 Aug. 10 X03 17.3 G
423P/Lemmon = P/2008 CL94 = 2021 A12 15.3 2021 Jan. 15 568 22.7 G
424P/La Sagra = P/2012 S2 = 2021 L5 9.28 2021 Aug. 1 T08 18.04c
425P/Kowalski = P/2005 W3 = 2021 O2 15.9 2021 July 20 F51 20.27w