17P/Holmes (Record n° 12254)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Aug 05 01h05 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.3 m2 standard deviation 0.1 Aperture radius used for m2 11.3 " r (dist/Sun) 2.289 AU d (dist/Earth) 2.449 AU Right ascension 03 54 19.30 h m s Declination +37 41 33.1 ° ' " 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 2014.08.05
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P C2014 08 05.04537 03 54 19.30 +37 41 33.1 16.2 N C10
0017P C2014 08 05.06640 03 54 21.60 +37 41 46.4 16.1 N C10
0017P C2014 08 05.07500 03 54 22.41 +37 41 52.5 16.4 N C10
0017P C2014 08 05.08383 03 54 23.49 +37 41 59.0 16.3 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 -15 °C Binning 1x1 Mount F60a Autoguide Yes Exposure details 28 x 60s Seeing 4 Moon elongation 158 ° Air mass 1.99 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 05 05h53m46s Observation modification date 2014 Aug 05 12h39m39s