C/2017 S3 (PANSTARRS) (Record n° 19414)
NASA/JPL elements
IAU/MPC elements
On 2018 Jul 26 02h43 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 9.5 Aperture radius used for m1 1.0 ' Nuclear magnitude (m2) 13.1 Aperture radius used for m2 6.0 " Coma diameter 2 ' Coma condensation degree
(DC) 3 r (dist/Sun) 0.688 AU d (dist/Earth) 0.930 AU Right ascension 06 00 31.2 h m s Declination +49 33 56 ° ' " Instrumental configuration Config1 Instrument Dobson 407 F/D 4.3 Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1750 mm Instrument focale/diameter 4.29 Filter(s) None Camera sony alpha 7s Sensor DC Sensor size 36x24 mm2 Sensor pixels number 4240x2832 Sensor temperature 21 °C Binning 2x2 Mount dobson Motorization No Autoguide No Exposure total time 11.5 s Exposure details 46x1/4s Sky transparency (naked eye max mag) 4 Seeing 2 Moon phase 19 ° Moon elongation 150 ° Air mass 2.1 Location Versailles Reference stars catalog GSC (HST) Used softwares IRIS Resulting picture sampling (scale) 2.07 "/pix Image processing alignement, somme, retrait gradient Remarks or comments nord à gauche Observation submission date 2018 Jul 26 15h22m03s