C/2017 T2 (PANSTARRS) (Record n° 20947)
NASA/JPL elements
IAU/MPC elements
On 2019 Aug 30 03h05 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 13.1 Aperture radius used for m1 0.6 ' Nuclear magnitude (m2) 14.3 Aperture radius used for m2 6 " Coma diameter 1 ' Coma condensation degree
(DC) 6 r (dist/Sun) 3.459 AU d (dist/Earth) 3.567 AU Right ascension 05 18 25.3 h m s Declination +22 26 44 ° ' " Instrumental configuration Config1 Instrument Dobson T407mm 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 9 °C Binning 2x2 Mount Dobson sur Table equatoriale JMI Motorization Yes Autoguide No Exposure total time 80 s Exposure details poses 2--4s Sky transparency (naked eye max mag) 6 Seeing 4 Moon phase 180 ° Air mass 1.4 Location Boulonville (28) Reference stars catalog GSC (HST) Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing alignement somme retrait gradient Observation submission date 2019 Sep 01 19h45m41s