17P/Holmes (Record n° 12551)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Sep 16 22h48 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.6 m2 standard deviation 0.1 Aperture radius used for m2 11.7 " r (dist/Sun) 2.438 AU d (dist/Earth) 2.143 AU Right ascension 04 58 12.27 h m s Declination +44 42 08.7 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.090-m f/5.3 Maksutov-Cassegrain + CCD
ACK MPCReport file updated 2014.09.16
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P KC2014 09 16.94979 04 58 12.27 +44 42 08.7 16.6 N C10
0017P KC2014 09 16.96598 04 58 13.14 +44 42 18.6 16.5 N C10
0017P KC2014 09 16.98290 04 58 14.27 +44 42 27.4 16.7 N C10
Instrument type Cassegrain Instrument aperture (0=naked eye) 90 mm Instrument focale length 477 mm Instrument focale/diameter 5.3 Camera ST7-XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount AEb Autoguide No Exposure details 60 x 60s Seeing 4 Moon elongation 31 ° Air mass 2.07 Observatory MPC code C10 Location Seine et Marne Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 3.9 "/pix Observation submission date 2014 Sep 17 04h06m29s Observation modification date 2014 Sep 17 06h10m17s