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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2011 May 20 22h19 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)19.6
Aperture radius used for m10.6 '
r (dist/Sun) 3.081 AU
d (dist/Earth) 2.178 AU
Right ascension15 58 23.57 h m s
Declination+12 25 13.8 ° ' "
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 2011.05.20
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0021P        KC2011 05 20.92995 15 58 23.57 +12 25 13.8          19.5 T      C10
0021P        KC2011 05 20.94517 15 58 22.58 +12 25 21.8          19.6 T      C10
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length900 mm
Instrument focale/diameter3.6
CameraST7-XMEd
SensorCCD
Sensor size6.9 x 4.6 mm2
Sensor pixels number765 x 510
Sensor temperature-15 °C
Binning1x1
MountPERL-VIXEN
AutoguideYes
Seeing4
Moon elongation56 °
Air mass1.34
Observatory MPC codeC10
Location77
Reference stars catalogUSNO-B1.0
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)2.04 "/pix
Image processingPRISMV8 APE DDP FC
Observation submission date2011 May 21 10h44m44s
Observation modification date2011 Jun 04 15h49m56s

(Record n° 3537)

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