17P/Holmes (Record n° 12351)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Aug 21 01h46 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.5 m2 standard deviation 0.1 Aperture radius used for m2 8.1 " r (dist/Sun) 2.343 AU d (dist/Earth) 2.337 AU Right ascension 04 21 51.03 h m s Declination +40 30 57.5 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2014.08.21
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P C2014 08 21.07337 04 21 51.03 +40 30 57.5 16.4 N C10
0017P C2014 08 21.08699 04 21 52.36 +40 31 06.1 16.5 N C10
0017P C2014 08 21.11595 04 21 55.17 +40 31 23.5 16.5 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Camera ST8 XME Sensor CCD Sensor size 13.8 x 9.2 mm2 Sensor pixels number 1530 x 1020 Sensor temperature -20 °C Binning 1x1 Mount F60a Autoguide Yes Exposure details 15 x 60s Seeing 3 Observatory MPC code C10 Location Seine et Marne Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.62 "/pix Observation submission date 2014 Aug 21 05h39m06s Observation modification date 2014 Aug 21 16h15m37s