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C/2023 A3 (Tsuchinshan-ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2025 Oct 14 18h39 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)18.6
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun)5.429 AU
d (dist/Earth)5.641 AU
Right ascension17 56 44.76 h m s
Declination+15 14 12.7 ° ' "
MPC report
COD K97
CON P.Ditz
OBS P.Ditz
MEA P.Ditz
TEL 0.54-m f/3.75 reflector + CCD
NUM 3
ACK MPCReport CodK97-PDI #CK23A030 obs2025-10-14 (L_23x120s_bin2) updated 2025.10.15 11:44
NET ATLAS2
AC2 patrick.ditz@wanadoo.fr,pat.ditz@gmx.fr
    CK23A030 KC2025 10 14.77726 17 56 44.76 +15 14 12.7          18.5 V      K97
    CK23A030 KC2025 10 14.78883 17 56 44.94 +15 14 07.9          18.8 V      K97
    CK23A030 KC2025 10 14.80113 17 56 45.09 +15 14 02.8          18.6 V      K97
Instrumental configurationConfig1
InstrumentT540
Instrument typeNewton
Instrument aperture (0=naked eye)540 mm
Instrument focale length2025 mm
Instrument focale/diameter3.75
Filter(s)L
CameraAtik 460EX
SensorCCD
Sensor size10x12.5 mm2
Sensor pixels number2749x2199
Sensor temperature-10 °C
Binning2x2
MountVMA300
Exposure total time1380 s
Exposure details23x2mn
Air mass1.5
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogATLAS2
Used softwaresTycho Tracker
Image resize factor1
Resulting picture sampling (scale)0.93 "/pix
Image processingPrism11 & Gimp
Remarks or commentsUne légère queue cométaire semble visible
Observation submission date2025 Oct 15 14h07m10s
Observation modification date2025 Oct 15 14h25m50s

(Record n° 30134)

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