C/2025 B2 (Borisov) (Record n° 30612)
NASA/JPL elements
IAU/MPC elements
On 2025 Dec 12 19h49 UT by Jonathan Vilhem
(Copyright Jonathan Vilhem)Nuclear magnitude (m2) 17.9 Right ascension 21 03 34.96 h m s Declination +85 54 47.5 ° ' " Instrument 250/1000 QUATTRO Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 1000 mm Instrument focale/diameter 4 Filter(s) None Camera ASI 533MM PRO Sensor CMOS Sensor size 11.31X11.31 mm2 Sensor pixels number 3008X3008 Sensor temperature -10 °C Binning 4x4 Mount EQ6R PRO Motorization Yes Autoguide No Exposure total time 1260 s Exposure details 18X70SEC Seeing 2 Observatory MPC code 247 Location Saint Jean Rohrbach Moselle France Reference stars catalog Tycho-2 Used softwares Tycho Remarks or comments Léger brouillard Observation submission date 2025 Dec 12 22h33m23s