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C/2025 J1 (Borisov)


NASA/JPL elements
IAU/MPC elements


On 2026 Apr 19 21h39 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)17.3
m2 standard deviation0.2
Aperture radius used for m26.4 "
r (dist/Sun) 3.613 AU
d (dist/Earth) 4.069 AU
Right ascension05 20 04.46 h m s
Declination+44 20 32.9 ° ' "
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 2026.04.20 10:20:53
NET Gaia DR2
AC2 jgbosch@free.fr
    CK25J010 KB2026 04 19.90206 05 20 04.46 +44 20 32.9          17.2 G      Y87
    CK25J010 KB2026 04 19.91378 05 20 05.06 +44 20 22.3          17.2 G      Y87
    CK25J010 KB2026 04 19.92549 05 20 05.73 +44 20 12.7          17.6 G      Y87
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
Camera 294MM
SensorCMOS
Sensor temperature0 °C
Binning4x4
MountEQ6-R pro
Exposure details120
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 Apr 20 10h22m35s
Observation modification date2026 Apr 20 10h25m31s

(Record n° 31357)

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