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73P/Schwassmann-Wachmann

Orbital period : 5.44 years

NASA/JPL elements
IAU/MPC elements


On 2017 May 12 09h57 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)16.5
m2 standard deviation0.5
Aperture radius used for m26.7 "
r (dist/Sun)1.248 AU
d (dist/Earth)1.740 AU
Right ascension00 39 08.84 h m s
Declination-04 27 43.9 ° ' "
MPC report
COD W97
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, B. Sandness, T. Noel
MEA T. Noel
TEL 0.38-m f/4.6 Newtonian reflector + CCD
COM Aperture radius for m2 : 6.7"
COM Full Moon
ACK MPCReport file updated 2017.05.12 14:41:46
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073P        KC2017 05 12.41440 00 39 08.84 -04 27 43.9          16.3 N      W97
0073P        KC2017 05 12.40522 00 39 07.31 -04 27 53.0          16.3 R      W97
Instrument typeNewton
Instrument aperture (0=naked eye)380 mm
Instrument focale length1748 mm
Instrument focale/diameter4.6
Filter(s)Clear
CameraQSI 532ws-M1
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountNova
Exposure details12x1mn
Observatory MPC codeW97
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.84 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, crop)
Observation submission date2017 May 12 14h56m56s
Observation modification date2017 May 23 23h23m03s

(Record n° 17664)

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