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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Dec 01 03h02 UT by Hubert Boussier


(Copyright Hubert Boussier)

Spectrum .fitDownload
Spectrum picture sampling (scale)2.5 Å/pix
Spectrum resolution550 dL/L
r (dist/Sun) 0.931 AU
d (dist/Earth) 0.522 AU
InstrumentWO FLT110
Instrument typeRefractor
Instrument aperture (0=naked eye)110 mm
Instrument focale length770 mm
Instrument focale/diameter7
Filter(s)None
SpectrometerLisa
CameraAtik 414EX
SensorCCD
Sensor size9.0x6.7 mm2
Sensor pixels number1392x1040
Sensor temperature-15 °C
Binning1x1
MountTrassud
MotorizationYes
AutoguideYes
Exposure total time6000 s
Sky transparency (naked eye max mag)3
Observatory MPC codeK21
Used softwaresISIS
Observation submission date2021 Dec 01 21h44m07s

(Record n° 24485)

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