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C/2025 J1 (Borisov)


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 deviation0.1
Aperture radius used for m26.4 "
r (dist/Sun) 3.721 AU
d (dist/Earth) 3.351 AU
Right ascension04 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 typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
CameraAsi 294MM
SensorCMOS
Sensor temperature0 °C
Binning4x4
MountEQ6-R pro
Exposure details46x25s
Observatory MPC codeY87
LocationTrevinca skies-Amalthea
Reference stars catalogGaia DR2
Used softwaresTycho Tracker
Image resize factor2
Resulting picture sampling (scale)1.6 "/pix
Observation submission date2026 Feb 21 11h42m16s
Observation modification date2026 Feb 21 11h45m09s

(Record n° 30967)

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