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C/2013 A1 (Siding Spring)


NASA/JPL elements
IAU/MPC elements


On 2015 May 07 20h34 UT by Luc Arnold

Nuclear magnitude (m2)16.4
m2 standard deviation0.1
Aperture radius used for m26.25 "
r (dist/Sun) 2.925 AU
d (dist/Earth) 2.475 AU
Right ascension14 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 typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1100 mm
Instrument focale/diameter5.5
Filter(s)Clear
CameraSBIG ST10-XME
SensorCCD
Sensor temperature-23 °C
Binning1x1
Observatory MPC codeK25
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
URL for more information or pictureshttp://www.obs-hp.fr/~larnold/v2/LucArnold/C2013A1_Siding_Spring.html
Observation submission date2015 May 08 00h53m58s

(Record n° 13809)

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