C/2025 J1 (Borisov) (Record n° 31293)
NASA/JPL elements
IAU/MPC elements
On 2026 Apr 09 21h30 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 17.6 m2 standard deviation 0.1 Aperture radius used for m2 6.4 " r (dist/Sun) 3.627 AU d (dist/Earth) 3.940 AU Right ascension 05 11 38.60 h m s Declination +46 50 44.8 ° ' " 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 28
ACK MPCReport file updated 2026.04.10 08:58:02
NET Gaia DR2
AC2 jgbosch@free.fr
CK25J010 KB2026 04 09.89558 05 11 38.60 +46 50 44.8 17.6 G Y87
CK25J010 KB2026 04 09.90643 05 11 39.11 +46 50 34.4 17.5 G Y87
CK25J010 KB2026 04 09.91712 05 11 39.63 +46 50 24.3 17.8 G Y87
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 1187.5 mm Instrument focale/diameter 4.75 Camera 294MM Sensor CMOS Sensor temperature 0 °C Binning 4x4 Mount EQ6-R pro Exposure details 110x25s 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 Apr 10 09h00m34s Observation modification date 2026 Apr 10 09h02m28s