C/2021 A1 (Leonard) (Record n° 24485)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 01 03h02 UT by Hubert Boussier
(Copyright Hubert Boussier)Spectrum .fit Download Spectrum picture sampling (scale) 2.5 Å/pix Spectrum resolution 550 dL/L r (dist/Sun) 0.931 AU d (dist/Earth) 0.522 AU Instrument WO FLT110 Instrument type Refractor Instrument aperture (0=naked eye) 110 mm Instrument focale length 770 mm Instrument focale/diameter 7 Filter(s) None Spectrometer Lisa Camera Atik 414EX Sensor CCD Sensor size 9.0x6.7 mm2 Sensor pixels number 1392x1040 Sensor temperature -15 °C Binning 1x1 Mount Trassud Motorization Yes Autoguide Yes Exposure total time 6000 s Sky transparency (naked eye max mag) 3 Observatory MPC code K21 Used softwares ISIS Observation submission date 2021 Dec 01 21h44m07s