17P/Holmes (Record n° 10695)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2013 Dec 01 00h59 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.8 m2 standard deviation 0.1 Aperture radius used for m2 4.8 " r (dist/Sun) 2.246 AU d (dist/Earth) 2.871 AU Right ascension 19 34 37.45 h m s Declination -26 35 00.6 ° ' " 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 2013.12.01
AC2 amaury@spaceobs.com
NET UCAC-4
0017P C2013 12 01.04115 19 34 37.45 -26 35 00.6 15.8 N W96
0017P C2013 12 01.04807 19 34 38.27 -26 34 57.1 15.7 N W96
0017P C2013 12 01.05571 19 34 39.16 -26 34 52.3 15.8 N W96
0017P C2013 12 01.06334 19 34 40.30 -26 34 47.5 15.8 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 pixels number 3326 x 2504 Sensor temperature -30 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 30 X 60s Moon elongation 69 ° Air mass 3.55 Observatory MPC code W96 Location Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix Observation submission date 2013 Dec 02 11h28m45s Observation modification date 2013 Dec 02 11h41m16s