C/2025 J1 (Borisov) (Record n° 29755)
NASA/JPL elements
IAU/MPC elements
On 2025 Jul 01 01h08 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 18.9 m2 standard deviation 0.4 Aperture radius used for m2 6.4 " r (dist/Sun) 4.708 AU d (dist/Earth) 5.120 AU Right ascension 09 46 32.18 h m s Declination +80 46 12.7 ° ' " 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 107
ACK MPCReport file updated 2025.07.01 10:42:45
NET Gaia DR2
AC2 jgbosch@free.fr
CK25J010 KB2025 07 01.04726 09 46 32.18 +80 46 12.7 18.6 G Y87
CK25J010 KB2025 07 01.04974 09 46 33.00 +80 46 05.4 19.4 G Y87
CK25J010 KB2025 07 01.05222 09 46 33.59 +80 46 08.3 19.3 G Y87
CK25J010 KB2025 07 01.05454 09 46 34.00 +80 46 04.3 18.4 G Y87
CK25J010 KB2025 07 01.05671 09 46 34.35 +80 46 03.7 18.3 G Y87
CK25J010 KB2025 07 01.06043 09 46 34.37 +80 46 00.5 Y87
CK25J010 KB2025 07 01.06414 09 46 34.42 +80 45 57.6 18.6 G Y87
CK25J010 KB2025 07 01.07156 09 46 34.27 +80 45 51.8 19.4 G Y87
CK25J010 KB2025 07 01.07373 09 46 35.27 +80 45 51.8 18.6 G Y87
CK25J010 KB2025 07 01.07590 09 46 36.81 +80 45 46.9 19.4 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 73x25s 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 Jul 01 10h52m34s Observation modification date 2025 Jul 01 10h54m23s