C/2023 A3 (Tsuchinshan-ATLAS) (Record n° 29659)
Perihelion distance : 0.39 AU
Inclination to ecliptic : 139 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2025 Apr 11 03h47 UT by Nicolas Delaunoy
(Copyright Nicolas Delaunoy)Magnitude (MPC m2) 15.1 Aperture radius for m2 6.0 " r (dist/Sun) 3.356 AU d (dist/Earth) 3.533 AU Right ascension 305.99333 ° Declination +20.43222 ° Instrumental configuration Config1 Instrument UNISTELLAR eQuinox2 Instrument type Newton Instrument aperture (0=naked eye) 115 mm Instrument focale length 450 mm Filter 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 1179 s Exposure details 297x4s Sky transparency (naked eye max mag) 4 Seeing 3 Moon phase 21 ° Moon elongation 124 ° Observatory MPC code XXX Location Yerres, 91330, France Reference stars catalog (ast) UCAC-4 Used softwares Tycho tracker (master darks avec Siril) Resulting picture sampling (scale) 1.33 "/pix Observation submission date 2025 Apr 12 09h33m09s