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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Oct 11 04h14 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)13.4
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.5
m2 standard deviation0.5
Aperture radius used for m25.8 "
r (dist/Sun) 1.710 AU
d (dist/Earth) 2.187 AU
Right ascension11 28 00.71 h m s
Declination+36 40 57.1 ° ' "
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 2021.10.11 09:06:08
AC2 fkugel@free.fr
NET NOMAD
    CK21A010  C2021 10 11.17621 11 28 00.71 +36 40 57.1          15.0 V      A77
    CK21A010  C2021 10 11.18190 11 28 01.09 +36 40 54.5          16.0 V      A77
    CK21A010  C2021 10 11.18839 11 28 01.45 +36 40 52.6          13.4 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
Exposure details16x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.5
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Oct 11 09h11m53s
Observation modification date2021 Oct 11 09h57m02s

(Record n° 24130)

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