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C/2017 O1 (ASASSN)

Orbital period : 6932.00 years

NASA/JPL elements
IAU/MPC elements


On 2017 Jul 28 08h02 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)13
Aperture radius used for m10.8 '
Nuclear magnitude (m2)14.7
m2 standard deviation0.0
Aperture radius used for m26.4 "
r (dist/Sun) 1.851 AU
d (dist/Earth) 1.579 AU
Right ascension02 47 29.95 h m s
Declination-07 31 37.4 ° ' "
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 m1 : 0.8'
COM Aperture radius for m2 : 6.4"
ACK MPCReport file updated 2017.07.28 12:40:34
AC2 thierrynoel38a@free.fr
NET Gaia DR1
    CK17O010  C2017 07 28.33466 02 47 29.95 -07 31 37.4          14.7 N      W96
    CK17O010  C2017 07 28.34501 02 47 30.98 -07 31 24.2          13.0 T      W96
    CK17O010  C2017 07 28.35693 02 47 32.11 -07 31 09.1          14.7 N      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
CameraQHY9
SensorCCD
Sensor temperature-20 °C
Binning3x3
MountVMA 200
AutoguideNo
Exposure details29x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.59 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop)
Observation submission date2017 Jul 28 12h48m29s
Observation modification date2017 Jul 28 22h42m20s

(Record n° 17993)

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