C/2023 A3 (Tsuchinshan-ATLAS) (Record n° 29636)
NASA/JPL elements
IAU/MPC elements
On 2025 Apr 06 03h39 UT by Nicolas Delaunoy
(Copyright Nicolas Delaunoy)Nuclear magnitude (m2) 15.3 Aperture radius used for m2 6.1 " r (dist/Sun) 3.293 AU d (dist/Earth) 3.540 AU Right ascension 20 25 06.87 h m s Declination +19 32 03.7 ° ' " Instrumental configuration Config1 Instrument UNISTELLAR eQuinox2 Instrument type Newton Instrument aperture (0=naked eye) 115 mm Instrument focale length 450 mm Instrument focale/diameter 3.91 Filter(s) L Camera IMX347 Sensor CMOS Sensor size 7.1x5.3 mm2 Sensor pixels number 2088x1536 Binning 1x1 Mount ALT-AZ Motorization Yes Autoguide No Exposure total time 1256 s Exposure details 314x4s Sky transparency (naked eye max mag) 4 Seeing 4 Moon phase 77 ° Moon elongation 136 ° Observatory MPC code XXX Location Yerres, 91330, France Reference stars catalog UCAC-4 Used softwares Tycho tracker (master darks avec Siril) Resulting picture sampling (scale) 1.32 "/pix Observation submission date 2025 Apr 06 14h58m45s