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C/2023 A3 (Tsuchinshan-ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2025 Jun 29 01h43 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)16.4
m2 standard deviation0.1
Aperture radius used for m26.4 "
r (dist/Sun) 4.288 AU
d (dist/Earth) 3.594 AU
Right ascension19 01 14.04 h m s
Declination+28 55 26.7 ° ' "
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 20
ACK MPCReport file updated 2025.06.29 09:37:35
NET Gaia DR2
AC2 jgbosch@free.fr
    CK23A030 KB2025 06 29.07182 19 01 14.04 +28 55 26.7          16.4 G      Y87
    CK23A030 KB2025 06 29.07693 19 01 13.58 +28 55 26.1          16.4 G      Y87
    CK23A030 KB2025 06 29.08188 19 01 13.13 +28 55 25.5          16.5 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 details50x25s
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 Jun 29 09h42m44s
Observation modification date2025 Jun 29 10h00m21s

(Record n° 29751)

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