C/2013 A1 (Siding Spring) (Record n° 13809)
NASA/JPL elements
IAU/MPC elements
On 2015 May 07 20h34 UT by Luc ArnoldNuclear magnitude (m2) 16.4 m2 standard deviation 0.1 Aperture radius used for m2 6.25 " r (dist/Sun) 2.925 AU d (dist/Earth) 2.475 AU Right ascension 14 44 51.48 h m s Declination +56 58 15.6 ° ' " MPC report COD K25
CON L. Arnold, OHP 04870 Saint-Michel-l'Observatoire, France [luc.arnold@osupytheas.fr]
OBS L. Arnold
MEA L. Arnold
TEL 0.20-m f/5.5 Newtonian reflector + CCD
COM Filter clear (CLR) Astrodon
COM Photometry aperture radius 6.25 arcsec for C/2013 A1 and 12.5 arcsec for C/2015 F3
ACK MPCReport file updated 2015.05.07 22:09:16
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
CK13A010 KC2015 05 07.85683 14 44 51.48 +56 58 15.6 16.5 N K25
CK13A010 KC2015 05 07.86204 14 44 50.09 +56 58 15.5 16.4 N K25
CK13A010 KC2015 05 07.86724 14 44 48.75 +56 58 15.5 16.4 N K25
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Filter(s) Clear Camera SBIG ST10-XME Sensor CCD Sensor temperature -23 °C Binning 1x1 Observatory MPC code K25 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/C2013A1_Siding_Spring.html Observation submission date 2015 May 08 00h53m58s