73P/Schwassmann-Wachmann (Record n° 17136)
Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2017 Feb 12 07h39 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 14.7 m2 standard deviation 0.1 Aperture radius used for m2 6.2 " r (dist/Sun) 1.079 AU d (dist/Earth) 1.402 AU Right ascension 18 15 23.14 h m s Declination -20 17 56.0 ° ' " MPC report COD W96
OBS A. Maury, J.-B. de Vanssay, J.-G.Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
ACK MPCReport file updated 2017.02.12 06:10:44
AC2 [JGBosch@free.fr]
NET UCAC-4
0073P C2017 02 12.31888 18 15 23.14 -20 17 56.0 14.7 N W96
0073P C2017 02 12.33766 18 15 29.05 -20 18 03.7 14.5 N W96
0073P C2017 02 12.36777 18 15 38.40 -20 18 18.2 14.8 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 No Exposure details 73x30s Air mass 2.3 Observatory MPC code W96 Location San Pedro Atacama Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.56 "/pix Observation submission date 2017 Feb 12 10h12m45s Observation modification date 2017 Feb 12 10h23m17s