C/2025 J1 (Borisov) (Record n° 29886)
NASA/JPL elements
IAU/MPC elements
On 2025 Aug 03 22h35 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 18.5 m2 standard deviation 0.2 Aperture radius used for m2 6.4 " Right ascension 10 16 23.56 h m s Declination +74 36 59.6 ° ' " 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 34
ACK MPCReport file updated 2025.08.04 08:33:14
NET Gaia DR2
AC2 jgbosch@free.fr
CK25J010 KB2025 08 03.94084 10 16 23.56 +74 36 59.6 18.7 G Y87
CK25J010 KB2025 08 03.96158 10 16 24.75 +74 36 47.9 18.5 G Y87
CK25J010 KB2025 08 03.98217 10 16 26.04 +74 36 36.7 18.3 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 -10 °C Binning 4x4 Mount EQ6 Exposure details 200x25s 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 2025 Aug 04 08h38m57s Observation modification date 2025 Aug 04 08h44m22s