17P/Holmes (Record n° 11756)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 May 07 09h48 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.5 Aperture radius used for m2 6.9 " Coma diameter 1.24 ' r (dist/Sun) 2.081 AU d (dist/Earth) 2.911 AU Right ascension 00 56 48.30 h m s Declination +15 35 50.2 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.05.07
AC2 amaury@spaceobs.com
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P KC2014 05 07.40841 00 56 48.30 +15 35 50.2 15.5 N W96
0017P KC2014 05 07.41223 00 56 48.64 +15 35 54.6 15.5 N W96
0017P KC2014 05 07.41605 00 56 49.07 +15 35 59.7 15.5 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 12 x 60s Moon elongation 120 ° Air mass 5.01 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 07 13h50m44s Observation modification date 2014 May 08 19h42m33s