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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2013 Dec 13 00h39 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)15.9
Aperture radius used for m25.5 "
r (dist/Sun) 2.211 AU
d (dist/Earth) 2.927 AU
Right ascension19 59 32.07 h m s
Declination-24 24 20.2 ° ' "
MPC report
COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-F Soulier
MEA J.-F Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2013.12.13 
AC2 amaury@spaceobs.com
NET UCAC-4
0017P        KC2013 12 13.02736 19 59 32.07 -24 24 20.2          15.9 N      W96
0017P        KC2013 12 13.04647 19 59 34.48 -24 24 06.9          15.9 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length3200 mm
Instrument focale/diameter8
CameraQHY9
SensorCCD
Sensor pixels number3326 x 2504
Sensor temperature-30 °C
Binning2x2
MountPARAMOUNT
AutoguideYes
Exposure details5 X 60s
Moon elongation95 °
Air mass3.71
Observatory MPC codeW96
LocationChili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.69 "/pix
Observation submission date2013 Dec 13 14h16m13s
Observation modification date2013 Dec 13 14h21m42s

(Record n° 10859)

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