21P/Giacobini-Zinner (Record n° 2727)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2011 May 05 00h17 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 19.7 Aperture radius used for m1 0.6 ' r (dist/Sun) 3.188 AU d (dist/Earth) 2.298 AU Right ascension 16 12 49.06 h m s Declination +09 33 55.8 ° ' " 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 2011.05.05
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0021P KC2011 05 05.01196 16 12 49.06 +09 33 55.8 19.7 T C10
0021P KC2011 05 05.03021 16 12 48.26 +09 34 08.7 19.5 T C10
0021P KC2011 05 05.04941 16 12 47.39 +09 34 22.8 19.8 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 4320 s Exposure details 36 X 120s Seeing 3 Moon elongation 148 ° Air mass 1.33 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 05 06h14m14s Observation modification date 2011 May 05 07h11m07s