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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 16 04h59 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.5
Aperture radius used for m10.4 '
Nuclear magnitude (m2)13.2
m2 standard deviation0.0
Aperture radius used for m25.8 "
Coma diameter9 '
r (dist/Sun) 1.159 AU
d (dist/Earth) 1.059 AU
Right ascension12 17 04.90 h m s
Declination+33 36 03.5 ° ' "
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 2021.11.16 07:14:47
AC2 fkugel@free.fr
NET NOMAD
    CK21A010  C2021 11 16.20789 12 17 04.90 +33 36 03.5          13.2 V      A77
    CK21A010  C2021 11 16.21617 12 17 06.05 +33 36 00.6          13.2 V      A77
    CK21A010  C2021 11 16.22508 12 17 07.27 +33 35 57.4          10.5 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-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details3x45s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.5
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Nov 16 07h29m20s
Observation modification date2021 Nov 16 07h31m01s

(Record n° 24378)

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