Home

C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Dec 05 03h27 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)9.1
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.7
m2 standard deviation0.1
Aperture radius used for m25.8 "
Afrho443 cm
Afrho error5 cm
r (dist/Sun) 0.873 AU
d (dist/Earth) 0.387 AU
Right ascension14 07 20.64 h m s
Declination+25 51 49.9 ° ' "
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 2021.12.05 07:51:18
AC2 fkugel@free.fr
NET NOMAD
    CK21A010  C2021 12 05.14393 14 07 20.64 +25 51 49.9          12.7 V      A77
    CK21A010  C2021 12 05.14514 14 07 21.61 +25 51 44.7          13.0 V      A77
    CK21A010  C2021 12 05.14635 14 07 22.67 +25 51 37.6          12.9 V      A77
    CK21A010  C2021 12 05.14722 14 07 23.60 +25 51 32.1          12.6 V      A77
    CK21A010  C2021 12 05.14840 14 07 24.55 +25 51 26.0          12.7 V      A77
    CK21A010  C2021 12 05.14979 14 07 25.86 +25 51 18.1          12.6 V      A77
    CK21A010  C2021 12 05.15514 14 07 30.49 +25 50 49.0          12.8 V      A77
    CK21A010  C2021 12 05.18403 14 07 55.91 +25 48 10.9          12.6 V      A77
    CK21A010  C2021 12 05.21366 14 08 22.02 +25 45 28.0          12.6 V      A77
    CK21A010  C2021 12 05.23811 14 08 43.62 +25 43 13.2           9.1 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-25 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details12x5s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.376
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho (Vu) rho= 10000km
Observation submission date2021 Dec 05 08h03m12s
Observation modification date2021 Dec 05 08h05m21s

(Record n° 24511)

Home