117P/Helin-Roman-Alu (Record n° 11669)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 Apr 24 07h52 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " Tail length 0.1333 ° r (dist/Sun) 3.059 AU d (dist/Earth) 2.938 AU Right ascension 20 42 26.16 h m s Declination -25 14 34.3 ° ' " 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 2014.04.24 11:17:51
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0117P KC2014 04 24.32747 20 42 26.16 -25 14 34.3 15.9 N W96
0117P KC2014 04 24.36393 20 42 28.34 -25 14 33.5 16.0 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 Autoguide Yes Exposure details 29x2mn Air mass 1.39 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 Apr 24 15h02m04s Observation modification date 2014 Apr 24 20h32m12s