164P/Christensen (Record n° 5446)
Orbital period : 6.98 years
NASA/JPL elements
IAU/MPC elements
On 2011 Dec 29 01h33 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.519 AU d (dist/Earth) 1.954 AU Right ascension 11 19 43.04 h m s Declination +22 39 01.8 ° ' " 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 2011.12.29
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0164P C2011 12 29.06441 11 19 43.04 +22 39 01.8 17.4 N C10
0164P C2011 12 29.07059 11 19 43.12 +22 39 04.5 17.7 N C10
0164P C2011 12 29.08090 11 19 43.40 +22 39 09.2 17.7 N C10
0164P C2011 12 29.08865 11 19 43.52 +22 39 12.9 17.4 N C10
0164P C2011 12 29.09667 11 19 43.68 +22 39 16.5 17.5 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 -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 2400 s Exposure details 20 x 120s Seeing 4 Moon elongation 155 ° Air mass 1.41 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 GIMP Observation submission date 2011 Dec 30 22h26m51s Observation modification date 2011 Dec 30 22h37m46s