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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Sep 23 04h04 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)13
Aperture radius used for m10.4 '
Nuclear magnitude (m2)16.3
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 1.973 AU
d (dist/Earth) 2.632 AU
Right ascension11 11 41.81 h m s
Declination+38 36 07.8 ° ' "
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 2021.09.23 07:57:13
AC2 fkugel@free.fr
NET NOMAD
    CK21A010  C2021 09 23.16972 11 11 41.81 +38 36 07.8          16.3 V      A77
    CK21A010  C2021 09 23.17378 11 11 42.04 +38 36 07.0          16.3 V      A77
    CK21A010  C2021 09 23.17864 11 11 42.35 +38 36 05.4          13.0 T      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-10 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details9x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Sep 23 08h00m54s
Observation modification date2021 Sep 23 08h22m04s

(Record n° 24007)

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