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73P-BT/Schwassmann-Wachmann

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 deviation0.5
Aperture radius used for m26.1 "
r (dist/Sun) 1.248 AU
d (dist/Earth) 1.740 AU
Right ascension00 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
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
CameraSTF8300
SensorCCD
Sensor temperature-10 °C
Binning3x3
MountVMA 200
Exposure details16x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.53 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, crop)
Observation submission date2017 May 12 18h36m17s
Observation modification date2017 May 23 23h16m02s

(Record n° 17666)

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