C/2022 E3 (ZTF) (Record n° 26630)
NASA/JPL elements
IAU/MPC elements
On 2023 Jan 18 06h00 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 6.7 Aperture radius used for m1 6.5 ' Nuclear magnitude (m2) 11.6 Aperture radius used for m2 6.0 " Coma diameter 12.0 ' Coma condensation degree
(DC) 5 Tail length 0.35 ° Tail position angle
(PA) 345 ° r (dist/Sun) 1.115 AU d (dist/Earth) 0.560 AU Instrumental configuration Config1 Instrument Dobson 407mm 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 36x24 mm2 Sensor pixels number 4240x2832 Sensor temperature 0 °C Binning 2x2 Mount Dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 85 s Exposure details 22x1.6s+22x1.0s+22x1.3s Sky transparency (naked eye max mag) 5 Seeing 2 Moon phase 140 ° Moon elongation 80 ° Air mass 1.15 Location Crespières Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing binning,flat,alignement,somme,retrait gradient Remarks or comments 2 séries: 35s à 5h48.8 et 51s à 6h11.1 Observation submission date 2023 Jan 18 15h40m59s