21P/Giacobini-Zinner (Record n° 2702)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2011 May 01 01h59 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 20.3 Aperture radius used for m1 0.4 ' r (dist/Sun) 3.217 AU d (dist/Earth) 2.340 AU Right ascension 16 15 46.26 h m s Declination +08 47 15.9 ° ' " 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 2011.05.01
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0021P KC2011 05 01.08285 16 15 46.26 +08 47 15.9 20.4 T C10
0021P KC2011 05 01.10006 16 15 45.43 +08 47 26.4 20.4 T C10
0021P KC2011 05 01.11881 16 15 44.77 +08 47 37.0 20.1 T 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 -15 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 3960 s Exposure details 33X120s Seeing 4 Moon elongation 126 ° Air mass 1.30 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 FC Observation submission date 2011 May 01 06h46m45s Observation modification date 2011 May 02 13h14m58s