78P/Gehrels (Record n° 4989)
Orbital period : 7.23 years
NASA/JPL elements
IAU/MPC elements
On 2011 Oct 31 19h52 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 13.6 Aperture radius used for m2 8 " r (dist/Sun) 2.098 AU d (dist/Earth) 1.254 AU Right ascension 23 36 14.86 h m s Declination +00 43 57.4 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.10.31
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0078P C2011 10 31.82764 23 36 14.86 +00 43 57.4 13.7 N C10
0078P C2011 10 31.83462 23 36 14.90 +00 43 55.5 13.6 N C10
0078P C2011 10 31.84222 23 36 14.95 +00 43 53.4 13.6 N C10
0078P C2011 10 31.84985 23 36 15.00 +00 43 51.3 13.6 N C10
0078P C2011 10 31.85744 23 36 15.05 +00 43 49.3 13.6 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -20 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 2400 s Exposure details 20 x 120s Seeing 3 Moon elongation 69 ° Air mass 1.49 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 DDP FC GIMP Observation submission date 2011 Nov 01 18h20m34s Observation modification date 2011 Nov 02 14h54m48s