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C/2017 O1 (ASASSN)

Date of perihelion passage : 2017-10-14.7833
Perihelion distance : 1.498742 AU
Inclination to ecliptic : 39.8496 °
Eccentricity : 0.996703

NASA/JPL elements, ephemeris and orbit diagram
IAU/MPC elements and ephemeris


On 2017 Sep 08 07h17 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)14.8
m2 standard deviation0.1
Aperture radius used for m26.4 "
r (dist/Sun) 1.585 AU
d (dist/Earth) 0.972 AU
Right ascension03 52 45.33 h m s
Declination+14 01 42.9 ° ' "
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 : 6.4"
ACK MPCReport file updated 2017.09.08 12:22:22
AC2 thierrynoel38a@free.fr
NET Gaia DR1
    CK17O010  C2017 09 08.30373 03 52 45.33 +14 01 42.9          14.7 N      W96
    CK17O010  C2017 09 08.30912 03 52 45.85 +14 01 57.4          14.8 N      W96
    CK17O010  C2017 09 08.31450 03 52 46.25 +14 02 12.0          14.8 N      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
CameraQSI 532ws-M1
SensorCCD
Sensor temperature-30 °C
Binning3x3
AutoguideNo
Exposure details25x30s
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.59 "/pix
Image processingAstrometrica (-dark, /flat, add), Iris (gradient, levels, ddp, crop)
Observation submission date2017 Sep 08 12h24m25s
Observation modification date2017 Sep 09 00h40m05s

(Record n° 18205)

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