C/2021 G2 (ATLAS) (Record n° 29724)
NASA/JPL elements
IAU/MPC elements
On 2025 Jun 22 21h26 UT by Nicolas Delaunoy
(Copyright Nicolas Delaunoy)Nuclear magnitude (m2) 15.4 Aperture radius used for m2 6.0 " r (dist/Sun) 5.441 AU d (dist/Earth) 4.704 AU Right ascension 15 05 51.03 h m s Declination -02 07 09.3 ° ' " 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 1196 s Exposure details 299x4s Sky transparency (naked eye max mag) 3 Seeing 3 Moon phase 142 ° Moon elongation 158 ° Location Yerres, 91330, France Reference stars catalog UCAC-4 Used softwares Tycho tracker (master darks avec Siril) Resulting picture sampling (scale) 1.32 "/pix Remarks or comments Un voile nuageux (nuages élevés). Observation submission date 2025 Jun 23 15h02m51s