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73P/Schwassmann-Wachmann

Orbital period : 5.44 years

NASA/JPL elements
IAU/MPC elements


On 2017 Apr 14 09h41 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)14.7
m2 standard deviation0.1
Aperture radius used for m26.7 "
r (dist/Sun) 1.052 AU
d (dist/Earth) 1.575 AU
Right ascension23 09 17.18 h m s
Declination-12 07 22.5 ° ' "
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 Newton + CCD
COM Aperture radius for m1 : 25.2"
COM Aperture radius for m2 : 6.7"
ACK MPCReport file updated 2017.04.14 13:53:14
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073P         C2017 04 14.40369 23 09 17.18 -12 07 22.5          14.6 N      W97
0073P         C2017 04 14.40848 23 09 18.23 -12 07 17.3          14.7 N      W97
0073P         C2017 04 14.41326 23 09 19.32 -12 07 13.4          14.7 N      W97
Instrument typeNewton
Instrument aperture (0=naked eye)380 mm
Instrument focale length1748 mm
Instrument focale/diameter4.6
Filter(s)R (RGB)
CameraQSI 532ws-M1
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountNova
Exposure details10x1mn
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 Apr 14 13h56m51s
Observation modification date2017 Apr 16 23h01m19s

(Record n° 17513)

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