117P/Helin-Roman-Alu (Record n° 14335)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2015 Aug 27 05h37 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.4 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 3.839 AU d (dist/Earth) 3.126 AU Right ascension 01 40 47.90 h m s Declination +02 05 34.9 ° ' " 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 2015.08.27 12:20:19
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0117P C2015 08 27.23409 01 40 47.90 +02 05 34.9 16.5 N W96
0117P C2015 08 27.27722 01 40 47.26 +02 05 31.2 16.3 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 -35 °C Binning 3x3 Mount Paramouint Motorization Yes Exposure details 31x2mn 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 27 14h22m08s Observation modification date 2015 Aug 27 17h35m22s