117P/Helin-Roman-Alu (Record n° 11839)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 May 24 08h23 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 15.9 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 3.070 AU d (dist/Earth) 2.556 AU Right ascension 21 05 09.76 h m s Declination -25 35 29.8 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-G Bosch
MEA J.-G Bosch
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.05.24 15:30:44
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0117P C2014 05 24.34964 21 05 09.76 -25 35 29.8 15.8 N W96
0117P C2014 05 24.37257 21 05 10.39 -25 35 32.8 15.9 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter(s) None Camera QHY9 Sensor CCD Sensor temperature -30 °C Binning 2x2 Mount Paramount Autoguide Yes Exposure details 30x1mn Air mass 1.04 Observatory MPC code W96 Location SpaceObs W96 Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix URL for more information or pictures http://transitionsciel.blogspot.fr/ Observation submission date 2014 May 24 18h14m11s Observation modification date 2014 May 24 18h26m10s