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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 26 03h34 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11
Aperture radius used for m10.335 '
Nuclear magnitude (m2)13.8
m2 standard deviation0.1
Aperture radius used for m26 "
r (dist/Sun) 1.006 AU
d (dist/Earth) 0.701 AU
Right ascension12 50 13.78 h m s
Declination+31 58 41.8 ° ' "
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 2021.11.26 10:43:39
AC2 fkugel@free.fr
NET USNO-B1.0
    CK21A010  C2021 11 26.14858 12 50 13.78 +31 58 41.8          13.7 V      A77
    CK21A010  C2021 11 26.15113 12 50 14.52 +31 58 40.3          13.8 V      A77
    CK21A010  C2021 11 26.15368 12 50 15.28 +31 58 36.9          11.0 T      A77
Instrumental configurationConfig3
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik490ex-color
SensorCCD
Sensor temperature-25 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details1x30s
Observatory MPC codeA77
Reference stars catalogUSNO-B1.0
Image resize factor0.4
Resulting picture sampling (scale)0.67 "/pix
Remarks or commentsCloudy
Observation submission date2021 Nov 26 10h47m09s
Observation modification date2021 Nov 26 19h04m27s

(Record n° 24434)

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