29P/Schwassmann-Wachmann (Record n° 13725)
Orbital period : 14.85 years
NASA/JPL elements
IAU/MPC elements
On 2015 Apr 21 04h48 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 17.3 m2 standard deviation 0.1 Aperture radius used for m2 2.7 " r (dist/Sun) 6.051 AU d (dist/Earth) 5.478 AU Right ascension 17 57 47.89 h m s Declination -31 32 22.5 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.04.21
AC2 amaury@spaceobs.com
NET UCAC-4
0029P KC2015 04 21.19974 17 57 47.89 -31 32 22.5 17.2 N W96
0029P KC2015 04 21.25343 17 57 47.68 -31 32 25.0 17.3 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 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 3 x 120s Moon elongation 150 ° Air mass 1.59 Observatory MPC code W96 Location San Pedro de Atacama, Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix Observation submission date 2015 Apr 21 09h23m27s Observation modification date 2015 Apr 21 09h28m49s