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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2024 Jan 04 05h41 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)17
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 2.553 AU
d (dist/Earth) 2.974 AU
Right ascension15 16 04.84 h m s
Declination-05 01 57.6 ° ' "
MPC report
COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 6
ACK MPCReport file updated 2024.01.04 06:41:36
NET UCAC4
AC2 fkugel@free.fr
    CK21T040 KC2024 01 04.23652 15 16 04.84 -05 01 57.6          16.9 V      A77
    CK21T040 KC2024 01 04.24115 15 16 04.79 -05 01 55.1          17.0 V      A77
    CK21T040 KC2024 01 04.24578 15 16 04.74 -05 01 52.9          17.0 V      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade MCMT-TDM
Exposure details30x30s
Observatory MPC codeA77
Reference stars catalogUCAC4
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2024 Jan 04 07h42m50s
Observation modification date2024 Jan 04 07h44m28s

(Record n° 28039)

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