117P/Helin-Roman-Alu (Record n° 14250)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2015 Aug 10 07h41 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.7 Aperture radius used for m2 5.6 " r (dist/Sun) 3.801 AU d (dist/Earth) 3.299 AU Right ascension 01 41 28.57 h m s Declination +02 23 39.4 ° ' " MPC report COD W96
CON ALAIN MAURY [jean-gabriel.bosch@unige.ch]
OBS A. Maury, J.-G. Bosch
MEA J.-G. Bosch
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.08.10 12:19:39
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0117P C2015 08 10.32020 01 41 28.57 +02 23 39.4 16.7 N W96
0117P C2015 08 10.36707 01 41 28.75 +02 23 38.5 16.7 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 QHY Sensor CCD Sensor temperature -25 °C Binning 3x3 Mount Paramouint Motorization Yes Exposure details 23x120s Air mass 1.2 Observatory MPC code W96 Location San Pedro de Atacama, Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.03 "/pix URL for more information or pictures http://transitionsciel.blogspot.ch/ Observation submission date 2015 Aug 10 14h55m43s Observation modification date 2015 Aug 10 17h53m40s