C/2025 B2 (Borisov) (Record n° 29540)
NASA/JPL elements
IAU/MPC elements
On 2025 Jan 23 20h44 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 20.7 m2 standard deviation 0.1 Aperture radius used for m2 4.5 " r (dist/Sun) 8.975 AU d (dist/Earth) 8.487 AU Right ascension 04 06 20.41 h m s Declination +71 11 37.1 ° ' " MPC report COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK NEOCP L27 2025.01.23 23:18:35
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK25B020 KC2025 01 23.86415 04 06 20.41 +71 11 37.1 20.8 R L27
CK25B020 KC2025 01 23.88155 04 06 19.27 +71 11 34.1 20.7 R L27
CK25B020 KC2025 01 23.89509 04 06 18.31 +71 11 31.5 20.7 R L27
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 875 mm Instrument focale/diameter 3.5 Filter(s) None Camera ATIK 414 EX Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount PARAMOUNT ME Autoguide No Exposure details 80 x 60s Observatory MPC code L27 Location Dauban Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.49 "/pix Remarks or comments Echant. SETUP Observation submission date 2025 Feb 14 17h29m46s Observation modification date 2025 Feb 14 17h31m30s