C/2021 A1 (Leonard) (Record n° 24042)
NASA/JPL elements
IAU/MPC elements
On 2021 Sep 29 03h54 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 12.8 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.4 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.887 AU d (dist/Earth) 2.493 AU Right ascension 11 16 53.14 h m s Declination +37 55 31.0 ° ' " 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 2021.09.29 07:38:56
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 09 29.16230 11 16 53.14 +37 55 31.0 15.3 V A77
CK21A010 C2021 09 29.16635 11 16 53.38 +37 55 28.9 15.5 V A77
CK21A010 C2021 09 29.17121 11 16 53.63 +37 55 26.8 12.8 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 -15 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 7x60s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Sep 29 07h47m51s Observation modification date 2021 Sep 29 07h57m23s