C/2025 J1 (Borisov) (Record n° 30967)
NASA/JPL elements
IAU/MPC elements
On 2026 Feb 20 20h13 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 6.4 " r (dist/Sun) 3.721 AU d (dist/Earth) 3.351 AU Right ascension 04 50 47.26 h m s Declination +62 45 39.1 ° ' " MPC report COD Y87
CON J.-G. Bosch
OBS J.-G. Bosch
MEA J.-G. Bosch
TEL 0.25-m f/4.75 reflector + CMO
NUM 33
ACK MPCReport file updated 2026.02.21 08:53:11
NET Gaia DR2
AC2 jgbosch@free.fr
CK25J010 KB2026 02 20.84231 04 50 47.26 +62 45 39.1 17.4 G Y87
CK25J010 KB2026 02 20.84714 04 50 47.19 +62 45 32.3 17.5 G Y87
CK25J010 KB2026 02 20.85182 04 50 47.11 +62 45 25.3 17.5 G Y87
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 1187.5 mm Instrument focale/diameter 4.75 Camera Asi 294MM Sensor CMOS Sensor temperature 0 °C Binning 4x4 Mount EQ6-R pro Exposure details 46x25s Observatory MPC code Y87 Location Trevinca skies-Amalthea Reference stars catalog Gaia DR2
Used softwares Tycho Tracker Image resize factor 2 Resulting picture sampling (scale) 1.6 "/pix Observation submission date 2026 Feb 21 11h42m16s Observation modification date 2026 Feb 21 11h45m09s