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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 09 05h09 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.4
Aperture radius used for m10.4 '
Nuclear magnitude (m2)13.1
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.268 AU
d (dist/Earth) 1.301 AU
Right ascension12 03 18.76 h m s
Declination+34 13 44.5 ° ' "
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 2021.11.09 06:35:15
AC2 fkugel@free.fr
NET USNO-B1.0
    CK21A010  C2021 11 09.21489 12 03 18.76 +34 13 44.5          13.1 V      A77
    CK21A010  C2021 11 09.21813 12 03 19.10 +34 13 43.3          13.1 V      A77
    CK21A010  C2021 11 09.22138 12 03 19.41 +34 13 42.6          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)None
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details9x60s
Observatory MPC codeA77
Reference stars catalogUSNO-B1.0
Resulting picture sampling (scale)0.83 "/pix
Image processingGR=0-25°
Observation submission date2021 Nov 09 06h38m52s
Observation modification date2021 Nov 09 07h47m33s

(Record n° 24327)

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