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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2022 Nov 19 18h24 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)16
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 3.529 AU
d (dist/Earth) 2.728 AU
Right ascension01 36 38.29 h m s
Declination-10 36 10.4 ° ' "
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 2022.11.20 12:00:37
AC2 JGBosch@free.fr
NET UCAC-4
    CK21T040 KC2022 11 19.76661 01 36 38.29 -10 36 10.4          15.8 R      A77
    CK21T040 KC2022 11 19.76753 01 36 38.16 -10 36 10.9          16.1 R      A77
    CK21T040 KC2022 11 19.76844 01 36 38.14 -10 36 11.8          16.1 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 details15x60s
Observatory MPC codeA77
LocationDauban A77
Reference stars catalogUCAC-4
Used softwaresAstrometrica
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2022 Nov 20 12h05m00s
Observation modification date2022 Nov 20 13h39m54s

(Record n° 26338)

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