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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2014 May 07 08h16 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)16
m2 standard deviation0.1
Aperture radius used for m25.5 "
Coma diameter0.78 '
Tail length0.10 °
r (dist/Sun) 3.063 AU
d (dist/Earth) 2.768 AU
Right ascension20 54 12.32 h m s
Declination-25 14 53.4 ° ' "
MPC report
COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.05.07 
AC2 amaury@spaceobs.com
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0117P         C2014 05 07.34475 20 54 12.32 -25 14 53.4          16.0 N      W96
0117P         C2014 05 07.35934 20 54 13.06 -25 14 53.5          16.1 N      W96
0117P         C2014 05 07.37397 20 54 13.71 -25 14 54.4          16.0 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length3200 mm
Instrument focale/diameter8
CameraQHY9
SensorCCD
Sensor temperature-35 °C
Binning2x2
MountPARAMOUNT
AutoguideYes
Exposure details20 X 120s
Moon elongation164 °
Air mass1.15
Observatory MPC codeW96
LocationChili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.69 "/pix
Observation submission date2014 May 07 13h49m41s
Observation modification date2014 May 08 19h37m39s

(Record n° 11754)

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