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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 13 04h47 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.4
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.6
m2 standard deviation0.4
Aperture radius used for m25.8 "
Afrho730 cm
Afrho error5 cm
r (dist/Sun) 1.206 AU
d (dist/Earth) 1.164 AU
Right ascension12 10 36.58 h m s
Declination+33 53 24.4 ° ' "
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 2021.11.13 08:18:39
AC2 fkugel@free.fr
NET USNO-B1.0
    CK21A010  C2021 11 13.19924 12 10 36.58 +33 53 24.4          12.9 I      A77
    CK21A010  C2021 11 13.20573 12 10 37.31 +33 53 22.6          12.2 I      A77
    CK21A010  C2021 11 13.21383 12 10 38.28 +33 53 19.6          10.4 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)IR pro
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details1x60s
Observatory MPC codeA77
Reference stars catalogUSNO-B1.0
Image resize factor1
Resulting picture sampling (scale)0.83 "/pix
Remarks or comments
Observation submission date2021 Nov 13 08h21m44s
Observation modification date2021 Nov 14 19h25m17s

(Record n° 24361)

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