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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2022 Dec 17 18h11 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)16
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 3.251 AU
d (dist/Earth) 2.909 AU
Right ascension00 51 55.70 h m s
Declination-13 24 25.1 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2022.12.17 23:05:46
AC2 fkugel@free.fr
NET NOMAD
    CK21T040  C2022 12 17.75734 00 51 55.70 -13 24 25.1          16.0 V      A77
    CK21T040  C2022 12 17.76197 00 51 55.33 -13 24 26.2          16.0 V      A77
    CK21T040  C2022 12 17.76776 00 51 54.91 -13 24 26.9          16.0 V      A77
    CK21T040  C2022 12 17.77355 00 51 54.45 -13 24 28.0          16.0 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-25 °C
Binning1x1
MountMeade MCMT-TDM
Exposure details15x90s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2022 Dec 17 23h24m45s
Observation modification date2022 Dec 18 09h01m57s

(Record n° 26501)

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