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C/2025 J1 (Borisov)


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 deviation0.4
Aperture radius used for m26.4 "
r (dist/Sun) 4.708 AU
d (dist/Earth) 5.120 AU
Right ascension09 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 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 details73x25s
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 01 10h52m34s
Observation modification date2025 Jul 01 10h54m23s

(Record n° 29755)

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