17P/Holmes (Record n° 9924)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2013 Aug 19 00h39 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.5 Aperture radius used for m2 4.8 " r (dist/Sun) 2.630 AU d (dist/Earth) 2.104 AU Right ascension 16 55 38.99 h m s Declination -40 48 37.8 ° ' " 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 2013.08.19
AC2 amaury@spaceobs.com
NET UCAC-4
0017P KC2013 08 19.02703 16 55 38.99 -40 48 37.8 16.5 N W96
0017P KC2013 08 19.07084 16 55 40.20 -40 48 13.8 16.5 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter(s) R (RGB) Camera QHY9 Sensor CCD Sensor pixels number 3326 x 2504 Sensor temperature -35 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 30 X 120s Moon elongation 46 ° 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 Aug 19 05h42m23s Observation modification date 2013 Aug 19 05h44m14s