C/2021 A1 (Leonard) (Record n° 24497)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 03 04h42 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 9.4 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.9 m2 standard deviation 0.8 Aperture radius used for m2 5.8 " Afrho 463 cm Afrho error 6 cm r (dist/Sun) 0.902 AU d (dist/Earth) 0.453 AU Right ascension 13 42 25.52 h m s Declination +28 14 50.1 ° ' " 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 2021.12.04 06:11:51
AC2 fkugel@free.fr
NET PPMXL
CK21A010 C2021 12 03.19552 13 42 25.52 +28 14 50.1 13.4 V A77
CK21A010 C2021 12 03.19949 13 42 28.10 +28 14 36.3 11.6 V A77
CK21A010 C2021 12 03.21444 13 42 38.07 +28 13 45.3 13.5 V A77
CK21A010 C2021 12 03.22497 13 42 45.05 +28 13 08.0 13.4 V A77
CK21A010 C2021 12 03.22948 13 42 47.98 +28 12 51.9 11.9 V A77
CK21A010 C2021 12 03.23550 13 42 52.09 +28 12 29.6 13.3 V A77
CK21A010 C2021 12 03.24152 13 42 56.06 +28 12 09.4 9.4 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) None Camera Atik460ex Sensor CCD Sensor temperature -25 °C Mount Meade-MCMT-TDM Exposure details 5x3s Observatory MPC code A77 Reference stars catalog PPMXL
Image resize factor 0.4 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho Vu(10000km) Observation submission date 2021 Dec 04 06h18m38s Observation modification date 2021 Dec 05 07h09m01s