48P/Johnson (Record n° 3735)
Orbital period : 6.55 years
NASA/JPL elements
IAU/MPC elements
On 2011 Jul 01 23h37 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.8 m2 standard deviation 0.1 Aperture radius used for m2 8 " Tail length 0.02 ° r (dist/Sun) 2.382 AU d (dist/Earth) 1.445 AU Right ascension 20 42 10.11 h m s Declination -17 53 03.7 ° ' " 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 2011.07.01 and 02
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0048P C2011 07 01.98383 20 42 10.11 -17 53 03.7 15.9 N C10
0048P C2011 07 02.00295 20 42 09.80 -17 53 13.6 15.8 N C10
0048P C2011 07 02.01682 20 42 09.56 -17 53 20.7 15.8 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 1440 s Exposure details 12 x 120s Seeing 3 Moon elongation 159 ° Air mass 3.36 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 APE DDP Observation submission date 2011 Jul 02 20h42m06s Observation modification date 2011 Jul 02 21h03m20s