C/2021 A1 (Leonard) (Record n° 24422)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 23 04h30 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 13.2 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " Afrho 596 cm Afrho error 6 cm r (dist/Sun) 1.051 AU d (dist/Earth) 0.810 AU Right ascension 12 37 33.99 h m s Declination +32 38 54.8 ° ' " 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 2021.11.23 07:29:51
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 11 23.18749 12 37 33.99 +32 38 54.8 13.2 V A77
CK21A010 C2021 11 23.19167 12 37 34.92 +32 38 52.4 13.2 V A77
CK21A010 C2021 11 23.19676 12 37 36.04 +32 38 48.8 13.2 V A77
CK21A010 C2021 11 23.20185 12 37 37.15 +32 38 45.8 13.3 V A77
CK21A010 C2021 11 23.20694 12 37 38.33 +32 38 42.4 10.6 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 -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 43x30s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.364 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (5000km) Observation submission date 2021 Nov 23 08h06m32s Observation modification date 2021 Nov 23 08h08m45s