Home

261P/Larson

Orbital period : 6.52 years

NASA/JPL elements
IAU/MPC elements


On 2012 Sep 19 20h58 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)16.8
m2 standard deviation0.1
Aperture radius used for m28 "
r (dist/Sun) 2.188 AU
d (dist/Earth) 1.193 AU
Right ascension23 11 44.90 h m s
Declination+05 13 19.7 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.30-m f/3 Newtonian reflector + CCD
ACK MPCReport file updated 2012.09.19
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-3
0261P         C2012 09 19.87372 23 11 44.90 +05 13 19.7          16.9 N      C10
0261P         C2012 09 19.88473 23 11 44.44 +05 13 18.5          16.9 N      C10
0261P         C2012 09 19.89574 23 11 43.99 +05 13 17.1          16.6 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-20 °C
Binning1x1
MountF60
AutoguideYes
Exposure total time1800 s
Exposure details15 X 120s
Seeing3
Moon elongation122 °
Air mass1.58
Observatory MPC codeC10
Location77
Reference stars catalogUCAC-3
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2 "/pix
Image processingPRISMV8 LOG FC GIMP
Observation submission date2012 Sep 21 10h44m34s
Observation modification date2012 Sep 21 10h51m32s

(Record n° 7498)

Home