73P-BT/Schwassmann-Wachmann (Record n° 17666)
Orbital period : 5.45 years
NASA/JPL elements
IAU/MPC elements
On 2017 May 12 09h30 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 16.2 m2 standard deviation 0.5 Aperture radius used for m2 6.1 " r (dist/Sun) 1.248 AU d (dist/Earth) 1.740 AU Right ascension 00 39 05.45 h m s Declination -04 28 07.7 ° ' " MPC report COD W96
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, J.-B. de Vanssay, T. Noel
MEA T. Noel
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
COM Aperture radius for m2 : 6.1"
COM Full Moon
ACK MPCReport file updated 2017.05.23 21:10:00
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073Pbt KC2017 05 12.39549 00 39 05.45 -04 28 07.7 16.2 N W96
0073Pbt KC2017 05 12.40593 00 39 07.29 -04 27 57.4 16.3 N W96
0073Pbt KC2017 05 12.41058 00 39 08.07 -04 27 53.5 16.2 N W96
Instrument RC 400 Marcon customed by A.Maury 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 STF8300 Sensor CCD Sensor temperature -10 °C Binning 3x3 Mount VMA 200 Exposure details 16x1mn Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.53 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (levels, crop) Observation submission date 2017 May 12 18h36m17s Observation modification date 2017 May 23 23h16m02s