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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 28 05h17 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.9
m2 standard deviation0.0
Aperture radius used for m25.8 "
Afrho563 cm
Afrho error6 cm
r (dist/Sun) 0.976 AU
d (dist/Earth) 0.629 AU
Right ascension13 01 28.93 h m s
Declination+31 18 42.9 ° ' "
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 2021.11.28 08:55:35
AC2 fkugel@free.fr
NET NOMAD
    CK21A010  C2021 11 28.22032 13 01 28.93 +31 18 42.9          10.0 T      A77
    CK21A010  C2021 11 28.22800 13 01 31.71 +31 18 33.2          12.9 V      A77
    CK21A010  C2021 11 28.23627 13 01 34.71 +31 18 21.5          12.9 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
MountMeade-MCMT-TDM
Exposure details26x45s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.37
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho (10000km)
Observation submission date2021 Nov 28 09h12m04s
Observation modification date2021 Nov 28 15h47m05s

(Record n° 24444)

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