73P/Schwassmann-Wachmann (Record n° 17143)
Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2017 Feb 13 08h06 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 14.4 m2 standard deviation 0.0 Aperture radius used for m2 6.2 " r (dist/Sun) 1.073 AU d (dist/Earth) 1.399 AU Right ascension 18 20 41.07 h m s Declination -20 25 33.3 ° ' " MPC report COD W96
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS A. Maury, J.-B. de Vanssay, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
ACK MPCReport file updated 2017.02.13
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0073P C2017 02 13.33754 18 20 41.07 -20 25 33.3 14.4 N W96
0073P C2017 02 13.35023 18 20 44.99 -20 25 38.9 14.4 N W96
0073P C2017 02 13.36481 18 20 49.58 -20 25 45.3 14.4 N W96
0073P C2017 02 13.37781 18 20 53.61 -20 25 51.1 14.4 N W96
0073P C2017 02 13.39181 18 20 57.96 -20 25 57.4 14.4 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2160 mm Instrument focale/diameter 5.4 Filter(s) None Camera QHY Sensor CCD Sensor temperature -30 °C Binning 3x3 Mount VMA 200 Autoguide Yes Exposure details 30 x 30s Observatory MPC code W96 Location San Pedro d'Atacama Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.55 "/pix Observation submission date 2017 Feb 13 10h38m07s Observation modification date 2017 Feb 13 11h19m48s