C/2021 S3 (PANSTARRS) (Record n° 28910)
Orbital period : 10376.00 years
NASA/JPL elements
IAU/MPC elements
On 2024 Sep 28 20h26 UT by Nicolas Delaunoy
(Copyright Nicolas Delaunoy)Magnitude (MPC m2) 15.9 Aperture radius for m2 5.7 " r (dist/Sun) 3.272 AU d (dist/Earth) 2.883 AU Right ascension 293.17171 ° Declination +46.79272 ° 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) None 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) 3.5 Seeing 3 Moon phase 137 ° Moon elongation 109 ° Location Yerres, 91330, France Reference stars catalog (ast&phot) UCAC-4 Used softwares Tycho tracker (master darks avec Siril) Resulting picture sampling (scale) 1.32 "/pix Observation submission date 2024 Sep 30 22h44m26s