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C/2017 O1 (ASASSN)

Orbital period : 6932.00 years

NASA/JPL elements
IAU/MPC elements


On 2017 Sep 15 09h12 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)12.1
Aperture radius used for m10.8 '
Nuclear magnitude (m2)14.7
m2 standard deviation0.0
Aperture radius used for m26.4 "
r (dist/Sun) 1.556 AU
d (dist/Earth) 0.896 AU
Right ascension04 03 04.27 h m s
Declination+19 43 44.2 ° ' "
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 m2 : 0.8' 6.4"
ACK MPCReport file updated 2017.09.15 13:36:11
AC2 thierrynoel38a@free.fr
NET Gaia DR1
    CK17O010  C2017 09 15.38365 04 03 04.27 +19 43 44.2          14.7 N      W96
    CK17O010  C2017 09 15.39014 04 03 04.81 +19 44 04.3          12.1 T      W96
    CK17O010  C2017 09 15.39617 04 03 05.28 +19 44 23.0          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
Filter(s)None
CameraQSI 532ws-M1
SensorCCD
Sensor temperature-30 °C
Binning3x3
MountVMA 200
AutoguideNo
Exposure details25x30s
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Resulting picture sampling (scale)1.59 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (gradient, levels, ddp, crop)
Observation submission date2017 Sep 15 13h41m04s
Observation modification date2017 Sep 15 13h51m20s

(Record n° 18227)

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