15P/Finlay (Record n° 23991)
Orbital period : 6.58 years
NASA/JPL elements
IAU/MPC elements
On 2021 Sep 17 03h15 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 14.0 Aperture radius used for m1 1.3 ' Nuclear magnitude (m2) 17.0 Aperture radius used for m2 6 " Coma diameter 1.5 ' Coma condensation degree
(DC) 3 Tail length 0 ° Tail position angle
(PA) 0 ° r (dist/Sun) 1.351 AU d (dist/Earth) 1.477 AU Right ascension 07 37 10.2 h m s Declination +26 49 16 ° ' " 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 Camera SONY alpha7S Sensor DC Sensor size 36*24 mm2 Sensor pixels number 4240*2832 Sensor temperature 12 °C Binning 2x2 Mount dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 81.5 s Exposure details 15*2.5s+22*2.0s Sky transparency (naked eye max mag) 6 Seeing 3 Moon phase 49 ° Moon elongation 166 ° Air mass 1.77 Location Boulonville Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing binning, flat, alignement stellaire, somme, retrait gradient Remarks or comments couche verte: m1=13.4, Dia.=2' Observation submission date 2021 Sep 21 22h56m22s Observation modification date 2021 Sep 21 23h03m14s