17P/Holmes (Record n° 13345)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jan 29 02h17 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.4 m2 standard deviation 0.1 Aperture radius used for m2 6.9 " r (dist/Sun) 3.002 AU d (dist/Earth) 2.423 AU Right ascension 04 05 43.51 h m s Declination +42 23 59.7 ° ' " 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 2015.01.29
AC2 amaury@spaceobs.com
NET UCAC-4
0017P KC2015 01 29.09516 04 05 43.51 +42 23 59.7 15.4 N W96
0017P KC2015 01 29.10315 04 05 43.69 +42 23 55.6 15.5 N W96
0017P KC2015 01 29.11129 04 05 43.90 +42 23 51.4 15.4 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 Camera QHY Sensor CCD Sensor temperature -30 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 31x 60s Moon elongation 25 ° Air mass 3.10 Observatory MPC code W96 Location San Pedro de Atacama, Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix Observation submission date 2015 Jan 29 09h14m32s Observation modification date 2015 Jan 29 10h25m25s