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C/2021 A1 (Leonard)


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 m10.7 '
Nuclear magnitude (m2)8.8
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 0.617 AU
d (dist/Earth) 0.832 AU
Right ascension21 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 configurationConfig1
InstrumentONTC 355
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMoravian G3 KAF 16200
SensorCCD
Sensor size27x21.6 mm2
Sensor pixels number4500x3600
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
AutoguideYes
Exposure details1x8s
Observatory MPC codeX03
LocationPoroto Chili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.7 "/pix
Observation submission date2022 Jan 02 17h38m50s
Observation modification date2022 Jan 02 17h43m33s

(Record n° 24722)

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