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261P/Larson

Orbital period : 6.52 years

NASA/JPL elements
IAU/MPC elements


On 2012 Jul 26 00h50 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)18.9
m2 standard deviation0.1
Aperture radius used for m28 "
r (dist/Sun) 2.237 AU
d (dist/Earth) 1.464 AU
Right ascension23 32 48.36 h m s
Declination+03 12 48.0 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.300-m f/3 Newtonian reflector + CCD
ACK MPCReport file updated 2012.07.26
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-3
0261P        KC2012 07 26.03488 23 32 48.36 +03 12 48.0          18.8 N      C10
0261P        KC2012 07 26.04986 23 32 48.52 +03 12 53.8          19.0 N      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length900 mm
Instrument focale/diameter3
CameraST7-XMEd
SensorCCD
Sensor size6.9 x 4.6 mm2
Sensor pixels number765 x 510
Sensor temperature-15 °C
Binning1x1
MountF60
AutoguideYes
Exposure total time1800 s
Exposure details15 X 120s
Seeing3
Moon elongation146 °
Air mass1.70
Observatory MPC codeC10
Location77
Reference stars catalogUCAC-3
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2 "/pix
Image processingPRISMV8 DDP FC GIMP
Observation submission date2012 Jul 26 13h23m55s
Observation modification date2012 Jul 26 16h20m35s

(Record n° 6877)

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