17P/Holmes (Record n° 12076)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Jul 17 09h04 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.6 m2 standard deviation 0.1 Aperture radius used for m2 5.5 " r (dist/Sun) 2.231 AU d (dist/Earth) 2.572 AU Right ascension 03 19 09.60 h m s Declination +33 59 34.0 ° ' " 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 2014.07.17
AC2 amaury@spaceobs.com
NET UCAC-4
0017P C2014 07 17.37791 03 19 09.60 +33 59 34.0 16.6 N W96
0017P C2014 07 17.38861 03 19 10.84 +33 59 41.9 16.5 N W96
0017P C2014 07 17.40007 03 19 12.18 +33 59 50.7 16.7 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 -40 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 30 X 60s Moon elongation 54 ° Air mass 3.26 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 Jul 17 12h19m38s Observation modification date 2014 Jul 17 12h48m46s