4P/Faye (Record n° 23904)
Orbital period : 7.48 years
NASA/JPL elements
IAU/MPC elements
On 2021 Sep 02 02h25 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 11.4 Aperture radius used for m1 1.3 ' Nuclear magnitude (m2) 13.5 Aperture radius used for m2 6 " Coma diameter 2.5 ' Coma condensation degree
(DC) 5 Tail length 0.08 ° Tail position angle
(PA) 270 ° r (dist/Sun) 1.620 AU d (dist/Earth) 1.351 AU Right ascension 04 52 56.9 h m s Declination +18 46 55 ° ' " Instrumental configuration Config1 Instrument Dobson 407mm 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 alpha7S Sensor DC Sensor size 36*24 mm2 Sensor pixels number 4240*2832 Sensor temperature 13 °C Binning 2x2 Mount dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 72.4 s Exposure details 17*2s+12*3.2s Sky transparency (naked eye max mag) 5.5 Seeing 3 Moon phase 135 ° Moon elongation 30 ° Air mass 2 Location Boulonville Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing binning, flat, alignement, alignement comète, somme, retrait gradient Observation submission date 2021 Sep 04 23h56m35s