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31P/Schwassmann-Wachmann

Orbital period : 8.72 years

NASA/JPL elements
IAU/MPC elements


On 2017 Aug 19 08h15 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)20.6
m2 standard deviation0.3
Aperture radius used for m26.4 "
r (dist/Sun) 4.223 AU
d (dist/Earth) 3.940 AU
Right ascension03 02 36.08 h m s
Declination+12 12 19.4 ° ' "
MPC report
COD W96
CON Jean-Gabriel Bosch [JGBosch@free.fr]
OBS A. Maury, J.-B. de Vanssay, J.-G. Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5.4 Ritchey-Chretien + QHY9CCD
ACK MPCReport file updated 2017.08.19 06:57:57
AC2 JGBosch@free.fr
NET UCAC-4
0031P        KC2017 08 19.34381 03 02 36.08 +12 12 19.4          20.3 N      W96
0031P        KC2017 08 19.35556 03 02 36.22 +12 12 19.5          20.8 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
Filter(s)None
CameraQHY
SensorCCD
Binning3x3
MountVMA 200
AutoguideNo
Exposure details86x60s
Air mass1.5
Observatory MPC codeW96
LocationSan Pedro Atacama Chili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.59 "/pix
Observation submission date2017 Aug 20 10h53m20s
Observation modification date2017 Aug 20 10h54m13s

(Record n° 18083)

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