62P/Tsuchinshan (Record n° 27915)
Orbital period : 6.16 years
NASA/JPL elements
IAU/MPC elements
On 2023 Nov 25 05h53 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 9.7 Aperture radius used for m1 4.5 ' Nuclear magnitude (m2) 14.3 Aperture radius used for m2 6 " Coma diameter 8.0 ' Coma condensation degree
(DC) 3 Tail length 0.02 ° Tail position angle
(PA) 280 ° Afrho 116 cm Afrho error 4 cm r (dist/Sun) 1.316 AU d (dist/Earth) 0.641 AU 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 2 °C Binning 2x2 Mount dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 90 s Exposure details 25x1.6+30x1.3s Sky transparency (naked eye max mag) 5 Seeing 3 Moon phase 30 ° Moon elongation 180 ° Air mass 1.3 Location Boulonville Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing binning, flat, alignement, somme, retrait gradient Remarks or comments ciel bleu de jour levant
Afrho couche R 40s en RAW Observation submission date 2023 Dec 04 14h13m21s