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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2015 Jan 29 02h17 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)15.4
m2 standard deviation0.1
Aperture radius used for m26.9 "
r (dist/Sun) 3.002 AU
d (dist/Earth) 2.423 AU
Right ascension04 05 43.51 h m s
Declination+42 23 59.7 ° ' "
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 2015.01.29 
AC2 amaury@spaceobs.com
NET UCAC-4
0017P        KC2015 01 29.09516 04 05 43.51 +42 23 59.7          15.4 N      W96
0017P        KC2015 01 29.10315 04 05 43.69 +42 23 55.6          15.5 N      W96
0017P        KC2015 01 29.11129 04 05 43.90 +42 23 51.4          15.4 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-30 °C
Binning2x2
MountPARAMOUNT
AutoguideYes
Exposure details31x 60s
Moon elongation25 °
Air mass3.10
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 29 09h14m32s
Observation modification date2015 Jan 29 10h25m25s

(Record n° 13345)

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