C/2021 A1 (Leonard) (Record n° 24803)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 30 21h53 UT by Patrick Delay
(Copyright Patrick Delay)Coma Total magnitude (m1) 6.1 Aperture radius used for m1 1 ' Nuclear magnitude (m2) 8.4 m2 standard deviation 0.0 Aperture radius used for m2 6.5 " r (dist/Sun) 0.622 AU d (dist/Earth) 0.757 AU Right ascension 21 31 35.47 h m s Declination -35 15 43.0 ° ' " MPC report COD X03
CON P. Delay [patrick78-50@orange.fr]
OBS P. Delay
MEA P. Delay
TEL 0.07-m f/4.9 Refractor + CCD
ACK MPCReport file updated 2022.01.13 14:21:09
AC2 patrick78-50@orange.fr
NET Gaia DR2
CK21A010 C2021 12 30.91196 21 31 35.47 -35 15 43.0 8.4 G X03
CK21A010 C2021 12 30.91233 21 31 35.55 -35 15 43.5 8.3 G X03
CK21A010 C2021 12 30.91273 21 31 35.66 -35 15 43.6 8.4 G X03
CK21A010 C2021 12 30.91311 21 31 35.69 -35 15 43.8 8.4 G X03
Instrumental configuration Config2 Instrument refractor 71/348 Instrument type Refractor Instrument aperture (0=naked eye) 71 mm Instrument focale length 348 mm Instrument focale/diameter 4.9 Filter(s) L Camera QHY163 Sensor CCD Sensor size 17.7x13.4 mm2 Sensor pixels number 4656x3522 Sensor temperature -20 °C Binning 1x1 Mount SW EQ8 Motorization Yes Autoguide Yes Exposure details 4x10s Observatory MPC code X03 Location Poroto Chili Reference stars catalog Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.25 "/pix Remarks or comments M1 calculé avec Focas Observation submission date 2022 Jan 13 14h33m47s Observation modification date 2022 Jan 13 14h38m01s