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C/2025 J1 (Borisov)


NASA/JPL elements
IAU/MPC elements


On 2025 Jul 30 21h52 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)18.6
m2 standard deviation0.1
Aperture radius used for m26.4 "
Right ascension10 12 34.32 h m s
Declination+75 14 29.7 ° ' "
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 19
ACK MPCReport file updated 2025.07.31 07:59:04
NET Gaia DR2
AC2 jgbosch@free.fr
    CK25J010 KB2025 07 30.91093 10 12 34.32 +75 14 29.7          18.5 G      Y87
    CK25J010 KB2025 07 30.92115 10 12 34.82 +75 14 23.8          18.8 G      Y87
    CK25J010 KB2025 07 30.93137 10 12 35.51 +75 14 17.8          18.5 G      Y87
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
CameraAsi 294MM
SensorCMOS
Sensor temperature-10 °C
Binning4x4
MountEQ6
Exposure details99x25s
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 date2025 Jul 31 08h20m48s
Observation modification date2025 Jul 31 08h24m56s

(Record n° 29855)

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