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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2022 Dec 11 18h17 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)16.1
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 3.311 AU
d (dist/Earth) 2.854 AU
Right ascension00 59 49.58 h m s
Declination-13 03 48.6 ° ' "
MPC report
COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2022.12.12 11:45:19
AC2 JGBosch@free.fr
NET UCAC-4
    CK21T040  C2022 12 11.76165 00 59 49.58 -13 03 48.6          16.1 R      A77
    CK21T040  C2022 12 11.76733 00 59 49.11 -13 03 50.3          16.1 R      A77
    CK21T040  C2022 12 11.77301 00 59 48.62 -13 03 51.7          16.0 R      A77
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
CameraAtik 460ex
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details15x1mn
Observatory MPC codeA77
LocationDauban A77
Reference stars catalogUCAC-4
Used softwaresAstrometrica
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2022 Dec 12 11h58m38s
Observation modification date2022 Dec 12 12h31m35s

(Record n° 26479)

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