17P/Holmes (Record n° 12467)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Sep 03 08h51 UT by Jean-Gabriel BoschNuclear magnitude (m2) 17.8 m2 standard deviation 0.2 Aperture radius used for m2 4.2 " r (dist/Sun) 2.389 AU d (dist/Earth) 2.241 AU Right ascension 04 41 44.85 h m s Declination +42 39 37.6 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-G Bosch
MEA J.-G Bosch
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.09.03 09:56:09
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0017P C2014 09 03.36867 04 41 44.85 +42 39 37.6 17.9 N W96
0017P C2014 09 03.39757 04 41 47.19 +42 39 54.2 17.6 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter(s) None Sensor CCD Sensor temperature -40 °C Binning 2x2 Mount Paramount Motorization No Autoguide Yes Air mass 2.5 Observatory MPC code W96 Location San Pedro Atacama Reference stars catalog UCAC-4
Used softwares ASTROMETRICA URL for more information or pictures http://transitionsciel.blogspot.fr/ Observation submission date 2014 Sep 03 11h59m47s Observation modification date 2014 Sep 03 18h32m57s