C/2025 R3 (PANSTARRS) (Record n° 31246)
NASA/JPL elements
IAU/MPC elements
On 2026 Mar 29 04h04 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 7.5 Aperture radius used for m1 2 ' Nuclear magnitude (m2) 10.0 Aperture radius used for m2 8.5 " Coma diameter 3.6 ' Coma condensation degree
(DC) 6 Tail length 0.17 ° Tail position angle
(PA) 305 ° Afrho 1631 cm Afrho error 41 cm r (dist/Sun) 0.714 AU d (dist/Earth) 1.340 AU Instrumental configuration Config2 Instrument Dobson T256mm Instrument type Newton Instrument aperture (0=naked eye) 256 mm Instrument focale length 1269 mm Instrument focale/diameter 4.95 Filter(s) None Camera Sony alpha7s Sensor DC Sensor size 36x24 mm2 Sensor pixels number 4240x2832 Sensor temperature 15 °C Binning 2x2 Mount Dobson Motorization No Autoguide No Exposure total time 23 s Exposure details 57x1/4+43x1/5s Sky transparency (naked eye max mag) 4.5 Seeing 2 Moon phase 30 ° Moon elongation 160 ° Air mass 4 Location Versailles Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2.75 "/pix Image processing binning flat alignement somme retrait gradient Remarks or comments Afrho couche R (RAW) Observation submission date 2026 Mar 29 22h08m00s Observation modification date 2026 Mar 29 22h10m29s