17P/Holmes (Record n° 10190)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2013 Sep 28 01h22 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.4 m2 standard deviation 0.1 Aperture radius used for m2 4.8 " r (dist/Sun) 2.469 AU d (dist/Earth) 2.426 AU Right ascension 17 37 12.11 h m s Declination -35 25 13.6 ° ' " 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 2013.09.28
AC2 amaury@spaceobs.com
NET UCAC-4
0017P KC2013 09 28.05679 17 37 12.11 -35 25 13.6 16.4 N W96
0017P KC2013 09 28.07211 17 37 13.45 -35 25 06.6 16.5 N W96
0017P KC2013 09 28.08724 17 37 14.78 -35 25 00.0 16.2 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 -35 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 33 x 60s Moon elongation 154 ° Air mass 1.50 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 Sep 28 12h05m55s Observation modification date 2013 Sep 28 14h16m59s