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C/2021 A1 (Leonard)

Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2021 Dec 02 04h18 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)8.8
Aperture radius for m10.4 '
Magnitude (MPC m2)12.3
Magnitude standard deviation0.2
Aperture radius for m25.8 "
Afrho459 cm
Afrho error7 cm
r (dist/Sun) 0.917 AU
d (dist/Earth) 0.487 AU
Right ascension202.96529 °
Declination+29.13758 °
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 2021.12.02 08:27:46
AC2 fkugel@free.fr
NET USNO-B1.0
    CK21A010  C2021 12 02.17943 13 31 51.67 +29 08 15.3          11.8 V      A77
    CK21A010  C2021 12 02.18828 13 31 56.79 +29 07 50.5          12.4 V      A77
    CK21A010  C2021 12 02.19280 13 31 59.44 +29 07 37.9          12.3 V      A77
    CK21A010  C2021 12 02.19609 13 32 01.29 +29 07 28.9          12.5 V      A77
    CK21A010  C2021 12 02.19744 13 32 02.04 +29 07 25.6          12.7 V      A77
    CK21A010  C2021 12 02.19895 13 32 03.01 +29 07 20.2          12.2 V      A77
    CK21A010  C2021 12 02.20045 13 32 03.88 +29 07 16.0          12.4 V      A77
    CK21A010  C2021 12 02.20180 13 32 04.69 +29 07 12.4          12.3 V      A77
    CK21A010  C2021 12 02.20424 13 32 06.16 +29 07 05.3          12.2 V      A77
    CK21A010  C2021 12 02.20701 13 32 07.74 +29 06 57.6           8.8 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
FilterNone
CameraAtik460ex
SensorCCD
Sensor temperature-25 °C
MountMeade-MCMT-TDM
Exposure details16x20s
Observatory MPC codeA77
Reference stars catalog (ast)USNO-B1.0
Image resize factor0.4
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho (10000km)
Observation submission date2021 Dec 02 08h44m26s
Observation modification date2021 Dec 02 12h44m00s

(Record n° 24487)

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