Comets - C/2013 A1 (Siding Spring) - CK13A010
Type Hyperbolic Perihelion Date 25 October 2014 Perihelion Distance (q) 1.4 Aphelion Distance (Q) n/a Period (Years)   n/a Eccentricity (e)   1.00 Inclination (i)   129.0 Click for NASA orbit diagram
Hills Observatory: 1 January 2013 to 6 May 2018
COMETS COMETS
DEEP SKY DEEP SKY
Date 10x10 mag Error Kphot mag Coma ' 4 Feb 13 18.58 0.06 18.4 0.2 20 Feb 13 18.76 0.07 18.7 0.1 23 Mar 13 17.79 0.09 17.5 0.2 20 Sep 13 16.78 0.09 16.5 0.2 27 Sep 13 16.47 0.02 15.9 0.3 8 Oct 13 15.72 0.03 15.1 0.4 15 Oct 13 15.59 0.01 15.1 0.3 9 Nov 13 15.58 0.02 14.9 0.3 16 Nov 13 15.82 0.04 15.3 0.3 23 Nov 13 15.22 0.04 14.7 0.3 1 Dec 13 15.35 0.05 14.7 0.4 9 Dec 13 15.54 0.02 14.8 0.4 17 Dec 13 15.85 0.02 15.1 0.4 28 Dec 13 15.76 0.02 14.9 0.5 4 Jan 14 15.57 0.03 14.8 0.5 11 Jan 14 15.28 0.02 14.5 0.3 31 Jan 14 15.48 0.02 14.6 0.5 7 Feb 14 15.40 0.05 14.7 0.4 18 Feb 14 15.31 0.01 14.8 0.4 25 Feb 14 15.33 0.07 14.0 0.4 4 Mar 14 15.43 0.02 14.5 0.4 17 Mar 14 15.37 0.03 14.6 0.3 8 Jun 14 14.63 0.04 12.9 0.3 14 Jun 14 14.59 0.10 12.9 0.4 19 Jun 14 14.42 0.01 12.1 1.2 2 Jul 14 14.15 0.02 11.2 0.9 12 Jul 14 13.89 0.02 10.7 1.1 16 Jul 14 13.90 0.02 10.6 1.3 21 Jul 14 13.71 0.01 10.5 1.7 26 Jul 14 13.56 0.02 10.1 2.2 30 Jul 14 13.47 0.01 10.1 2.4 3 Aug 14 13.55 0.01   9.9 3.1 6 Aug 14 13.21 0.03   9.5 1.6 10 Aug 14 13.38 0.01   9.8 2.1 13 Aug 14 13.11 0.03 10.0 1.9 18 Aug 14 13.08 0.02 10.2 3.8 21 Aug 14 12.52 0.02   9.2 4.0 24 Aug 14 13.19 0.03   9.9 3.9 27 Aug 14 12.20 0.01   9.5 2.2 30 Aug 14 12.69 0.01 10.0 2.2 2 Sep 14 12.42 0.03   9.7 2.9 9 Sep 14 12.29 0.02   9.8 1.5 12 Sep 14 12.41 0.01 10.1 0.9 17 Sep 14 13.35 0.03 11.0 2.0 20 Sep 14 12.78 0.02 10.6 1.7 29 Sep 14 13.02 0.02 11.3 0.7 2 Oct 14 13.04 0.03 11.1 0.8 7 Oct 14 13.26 0.02 11.3 0.4 10 Oct 14 13.28 0.01 11.5 0.6 14 Oct 14 13.22 0.04 11.3 0.5 17 Oct 14 13.32 0.01 11.5 0.6 23 Oct 14 13.53 0.03 11.9 0.4
DEPARTED