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73P/Schwassmann-Wachmann

Orbital period : 5.44 years

NASA/JPL elements
IAU/MPC elements


On 2017 Jan 13 08h18 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)15.7
m2 standard deviation0.1
Aperture radius used for m26.2 "
r (dist/Sun) 1.304 AU
d (dist/Earth) 1.617 AU
Right ascension15 55 52.80 h m s
Declination-13 29 10.9 ° ' "
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
ACK MPCReport file updated 2017.01.13 11:58:33
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073P         C2017 01 13.34606 15 55 52.80 -13 29 10.9          15.7 N      W96
0073P         C2017 01 13.35418 15 55 54.74 -13 29 19.2          15.6 N      W96
InstrumentRC 400 Marcon customed by A.Maury
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
Filter(s)None
CameraQHY
SensorCCD
Sensor temperature-25 °C
Binning3x3
MountVMA 200
AutoguideNo
Exposure details20x30s
Moon phase0 °
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.56 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (gradient, levels, crop)
Remarks or commentsFull Moon
Observation submission date2017 Jan 13 12h00m41s
Observation modification date2017 Feb 24 23h20m07s

(Record n° 17043)

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