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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2015 Jan 31 01h13 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)16.6
m2 standard deviation0.2
Aperture radius used for m26.9 "
r (dist/Sun) 3.011 AU
d (dist/Earth) 2.454 AU
Right ascension04 06 35.48 h m s
Declination+42 08 30.6 ° ' "
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 2015.01.31
AC2 amaury@spaceobs.com
NET UCAC-4
0017P        KC2015 01 31.05062 04 06 35.48 +42 08 30.6          16.8 N      W96
0017P        KC2015 01 31.06208 04 06 35.78 +42 08 24.7          16.4 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length3200 mm
Instrument focale/diameter8
Filter(s)None
CameraQHY
SensorCCD
Sensor temperature-25 °C
Binning2x2
MountPARAMOUNT
AutoguideYes
Exposure details30 x 60s
Moon elongation31 °
Air mass2.53
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.69 "/pix
Observation submission date2015 Jan 31 03h26m49s
Observation modification date2015 Feb 04 13h52m08s

(Record n° 13355)

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