C/2021 A1 (Leonard) (Record n° 24482)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 01 02h43 UT by Francois KugelComa Total magnitude (m1) 8.4 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.6 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " Afrho 390 cm Afrho error 6 cm r (dist/Sun) 0.931 AU d (dist/Earth) 0.522 AU Right ascension 13 22 11.72 h m s Declination +29 53 25.2 ° ' " 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 2021.12.01 11:27:40
AC2 fkugel@free.fr
NET USNO-B1.0
CK21A010 C2021 12 01.11340 13 22 11.72 +29 53 25.2 12.6 I A77
CK21A010 C2021 12 01.11433 13 22 12.13 +29 53 23.6 12.6 I A77
CK21A010 C2021 12 01.11526 13 22 12.61 +29 53 21.9 8.4 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) IR pro Camera Atik460ex Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount Meade-MCMT-TDM Observatory MPC code A77 Reference stars catalog USNO-B1.0
Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (10000km) Observation submission date 2021 Dec 01 11h31m20s Observation modification date 2021 Dec 01 11h57m36s