C/2023 A3 (Tsuchinshan-ATLAS) (Record n° 27351)
NASA/JPL elements
IAU/MPC elements
On 2023 Aug 06 22h26 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 16.6 Aperture radius used for m1 0.2 ' Nuclear magnitude (m2) 16.6 Aperture radius used for m2 10 " Coma diameter 0.2 ' Coma condensation degree
(DC) 9 r (dist/Sun) 5.794 AU d (dist/Earth) 5.965 AU Right ascension 14 03 01.04 h m s Declination +01 42 48 ° ' " 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 12 °C Binning 2x2 Mount dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 60 s Exposure details 30x2s Sky transparency (naked eye max mag) 5.5 Seeing 2 Moon phase 90 ° Moon elongation 180 ° Air mass 3.0 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 parait stellaire (FWHM 9" contre 6.5" sur les étoiles) Observation submission date 2023 Aug 07 11h15m46s