117P/Helin-Roman-Alu (Record n° 11772)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 May 10 06h36 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.1 Aperture radius used for m2 4.2 " Tail length 0.1583 ° r (dist/Sun) 3.064 AU d (dist/Earth) 2.729 AU Right ascension 20 56 28.23 h m s Declination -25 16 40.1 ° ' " MPC report COD W96
CON ALAIN MAURY [jamaury@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 2014.05.10 15:32:30
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0117P C2014 05 10.27471 20 56 28.23 -25 16 40.1 16.1 N W96
0117P C2014 05 10.31215 20 56 29.88 -25 16 42.2 16.1 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 No Exposure details 60x1mn Air mass 1.24 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 10 18h11m28s Observation modification date 2014 May 10 18h54m27s