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C/2021 G2 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2025 Jun 30 21h53 UT by Maurice Audejean


(Copyright Maurice Audejean)

Nuclear magnitude (m2)15.5
m2 standard deviation0.2
Aperture radius used for m28.6 "
r (dist/Sun) 5.466 AU
d (dist/Earth) 4.822 AU
Right ascension15 04 53.00 h m s
Declination-01 38 16.4 ° ' "
MPC report
COD R67
CON M Audejean
OBS M Audejean
MEA M Audejean
TEL 0.40-m f/4.4 reflector + CMO
NUM 3
ACK MPCReport file updated 2025.07.06 01:01:24
NET ATLAS2
AC2 maurice.audejean@gmail.com
    CK21G020  B2025 06 30.91192 15 04 53.00 -01 38 16.4          15.7 V      R67
    CK21G020  B2025 06 30.91252 15 04 52.92 -01 38 16.6          15.3 V      R67
    CK21G020  B2025 06 30.91311 15 04 52.88 -01 38 16.9          15.6 V      R67
Instrumental configurationConfig1
InstrumentDobson Sky-Watcher 400 SynScan - 406/1800
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1760 mm
Instrument focale/diameter4.4
Filter(s)G (RGB)
CameraOGMA AP26CC
SensorCMOS
Sensor size23.4x15.7 mm2
Sensor pixels number6224x4168
Sensor temperature-10 °C
Binning2x2
MountAzimutale type Dobson, motorisée, GOTO
MotorizationYes
AutoguideNo
Exposure details11x10s
Air mass1.5
Observatory MPC codeR67
Location37500 Chinon
Reference stars catalogATLAS2
Used softwaresTycho Tracker
Resulting picture sampling (scale)0.86 "/pix
URL for more information or pictureswww.astrodejean.fr
Observation submission date2025 Jul 06 13h27m57s
Observation modification date2025 Jul 06 13h37m28s

(Record n° 29773)

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