C/2020 F3 (NEOWISE) (Record n° 22121)
Perihelion distance : 0.29 AU
Inclination to ecliptic : 129 °
Orbital period : 6257 years
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2020 Jul 03 02h47 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 1.5 Aperture radius for m1 1.3 ' Magnitude (MPC m2) 4.1 Aperture radius for m2 6 " Coma diameter 2 ' Coma condensation degree
(DC) 8 Tail length 0.1 ° Tail position angle
(PA) 300 ° r (dist/Sun) 0.296 AU d (dist/Earth) 1.177 AU Right ascension 89.60875 ° Declination +29.4375 ° Instrumental configuration Config1 Instrument Dobson T407mm F/D 4 Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1750 mm Filter None Camera Sony alpha 7s Sensor DC Sensor size 36*24 mm2 Sensor pixels number 4240*2438 Sensor temperature 13 °C Binning 2x2 Mount Dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 5.5 s Exposure details 11*1/2s Sky transparency (naked eye max mag) 2 Seeing 2 Moon phase 20 ° Air mass 16.5 Location Crespières Reference stars catalog (ast) Hipparcos V mag Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing images raw, binne / flat / alignement / somme / retrait gradient URL for more information or pictures https://lesia.obspm.fr/perso/nicolas-biver/COMETES/c2020f3r-030720-2h46m44-t407f4blog-5p5s.jpg Remarks or comments image complete ci-dessus Observation submission date 2020 Jul 04 17h12m06s