C/2021 A1 (Leonard) (Record n° 24511)
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 m1 0.4 ' Nuclear magnitude (m2) 12.7 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " Afrho 443 cm Afrho error 5 cm r (dist/Sun) 0.873 AU d (dist/Earth) 0.387 AU Right ascension 14 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 configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 12x5s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.376 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (Vu) rho= 10000km Observation submission date 2021 Dec 05 08h03m12s Observation modification date 2021 Dec 05 08h05m21s