C/2021 A1 (Leonard) (Record n° 24361)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 13 04h47 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10.4 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.6 m2 standard deviation 0.4 Aperture radius used for m2 5.8 " Afrho 730 cm Afrho error 5 cm r (dist/Sun) 1.206 AU d (dist/Earth) 1.164 AU Right ascension 12 10 36.58 h m s Declination +33 53 24.4 ° ' " 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 2021.11.13 08:18:39
AC2 fkugel@free.fr
NET USNO-B1.0
CK21A010 C2021 11 13.19924 12 10 36.58 +33 53 24.4 12.9 I A77
CK21A010 C2021 11 13.20573 12 10 37.31 +33 53 22.6 12.2 I A77
CK21A010 C2021 11 13.21383 12 10 38.28 +33 53 19.6 10.4 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 -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 1x60s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Image resize factor 1 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Observation submission date 2021 Nov 13 08h21m44s Observation modification date 2021 Nov 14 19h25m17s