48P/Johnson (Record n° 3705)
Orbital period : 6.55 years
NASA/JPL elements
IAU/MPC elements
On 2011 Jun 27 00h30 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.9 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.389 AU d (dist/Earth) 1.476 AU Right ascension 20 43 05.16 h m s Declination -17 13 47.0 ° ' " 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 2011.06.27
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0048P C2011 06 27.02087 20 43 05.16 -17 13 47.0 16.0 N C10
0048P C2011 06 27.03485 20 43 05.05 -17 13 53.3 15.9 N C10
0048P C2011 06 27.04700 20 43 04.93 -17 13 58.7 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 1920 s Exposure details 16 X 120s Seeing 3 Moon elongation 95 ° Air mass 2.84 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 Jun 28 13h50m54s Observation modification date 2011 Jun 28 14h10m28s