17P/Holmes (Record n° 11729)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 May 02 09h50 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.6 m2 standard deviation 0.1 Aperture radius used for m2 6.9 " r (dist/Sun) 2.075 AU d (dist/Earth) 2.928 AU Right ascension 00 46 46.81 h m s Declination +14 05 56.7 ° ' " 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 2014.05.02
AC2 amaury@spaceobs.com
NET UCAC-4
0017P C2014 05 02.40943 00 46 46.81 +14 05 56.7 15.7 N W96
0017P C2014 05 02.41172 00 46 46.90 +14 05 58.4 15.5 N W96
0017P C2014 05 02.41401 00 46 47.26 +14 06 01.4 15.6 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Camera QHY9 Sensor CCD Sensor temperature -35 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 7 x 60s Moon elongation 142 ° Air mass 1.15 Observatory MPC code W96 Location Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix Observation submission date 2014 May 02 14h37m36s Observation modification date 2014 May 02 14h41m53s