17P/Holmes (Record n° 13353)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jan 30 20h54 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.5 m2 standard deviation 0.1 Aperture radius used for m2 12.3 " Coma diameter 0.88 ' r (dist/Sun) 3.007 AU d (dist/Earth) 2.439 AU Right ascension 04 06 30.47 h m s Declination +42 09 51.7 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.150-m f/5 Newtonian reflector + CCD
ACK MPCReport file updated 2015.01.30
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P KC2015 01 30.87088 04 06 30.47 +42 09 51.7 15.5 N C10
0017P KC2015 01 30.88603 04 06 30.86 +42 09 44.0 15.5 N C10
0017P KC2015 01 30.90681 04 06 31.45 +42 09 34.5 15.4 N C10
Instrument type Newton Instrument aperture (0=naked eye) 150 mm Instrument focale length 750 mm Instrument focale/diameter 5 Filter(s) None Camera ST7 XME Sensor CCD Sensor temperature -35 °C Binning 1x1 Mount AEb Motorization Yes Autoguide No Exposure details 60 x 30s Moon elongation 30 ° Air mass 1.07 Observatory MPC code C10 Location Seine et Marne Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.47 "/pix Observation submission date 2015 Jan 31 00h01m28s Observation modification date 2015 Feb 04 13h48m52s