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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 May 15 20h38 UT by Arnaud Leroy


(Copyright Arnaud Leroy)

Nuclear magnitude (m2)17.9
m2 standard deviation0.1
r (dist/Sun) 3.654 AU
d (dist/Earth) 3.598 AU
Right ascension11 02 13.26 h m s
Declination+59 46 30.5 ° ' "
MPC report
COD 493
CON CAHA ,Europlanet ,Espagne
CON [arnaudastro@yahoo.fr]
CON CALAR ALTO
OBS Workshop Europlanet
MEA A.Leroy
TEL 1.23-m f/8.0 Newton + DLR MKIII
NET UCAC 4
ACK batch
    CK21A010  C2021 05 15.86004 11 02 13.26 +59 46 30.5          17.9 N      493
    CK21A010  C2021 05 15.87211 11 02 12.08 +59 46 24.6          18.0 N      493
    CK21A010  C2021 05 15.88629 11 02 10.59 +59 46 17.0          17.9 N      493
Instrumental configurationConfig4
InstrumentCAHA 1.23M
Instrument aperture (0=naked eye)1230 mm
Instrument focale length9840 mm
Instrument focale/diameter8.0
Filter(s)R (RGB)
CameraDLRMKIII
SensorCCD
Sensor temperature-100 °C
Binning2x2
MotorizationYes
AutoguideNo
Exposure details20X2mn
Observatory MPC code493
Reference stars catalogUCAC 4
Used softwaresPRISM
Resulting picture sampling (scale)0.63 "/pix
Observation submission date2021 May 19 21h04m50s
Observation modification date2021 May 19 21h09m14s

(Record n° 23373)

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