C/2021 A1 (Leonard) (Record n° 24722)
NASA/JPL elements
IAU/MPC elements
On 2022 Jan 01 00h56 UT by Jean-Louis Virlichie
(Copyright Jean-Louis Virlichie)Coma Total magnitude (m1) 6.1 Aperture radius used for m1 0.7 ' Nuclear magnitude (m2) 8.8 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 0.617 AU d (dist/Earth) 0.832 AU Right ascension 21 33 57.70 h m s Declination -35 26 23.0 ° ' " MPC report COD X03
CON Jean-Louis Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse
MEA J. L. Virlichie
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2022.01.02 15:39:57
AC2 jl.virlichie@gmail.com
NET UCAC-4
CK21A010 C2022 01 01.03858 21 33 57.70 -35 26 23.0 9.0 V X03
CK21A010 C2022 01 01.04265 21 33 58.21 -35 26 25.2 8.8 V X03
CK21A010 C2022 01 01.05419 21 33 59.74 -35 26 31.5 8.7 V X03
CK21A010 C2022 01 01.05749 21 34 00.42 -35 26 34.1 6.1 T X03
Instrumental configuration Config1 Instrument ONTC 355 Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1645 mm Instrument focale/diameter 4.7 Filter(s) L Camera Moravian G3 KAF 16200 Sensor CCD Sensor size 27x21.6 mm2 Sensor pixels number 4500x3600 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Autoguide Yes Exposure details 1x8s Observatory MPC code X03 Location Poroto Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.7 "/pix Observation submission date 2022 Jan 02 17h38m50s Observation modification date 2022 Jan 02 17h43m33s