C/2021 D1 (SWAN) (Record n° 23155)
Orbital period : 962.20 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 02 19h12 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 12.8 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " r (dist/Sun) 1.079 AU d (dist/Earth) 1.740 AU Right ascension 02 24 45.64 h m s Declination +31 27 01.9 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel, J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.04.03 13:08:44
AC2 JGBosch@free.fr
NET UCAC-4
CK21D010 C2021 04 02.80020 02 24 45.64 +31 27 01.9 13.1 R A77
CK21D010 C2021 04 02.81157 02 24 49.47 +31 27 15.6 12.8 R A77
CK21D010 C2021 04 02.81562 02 24 50.82 +31 27 19.3 12.6 R A77
Instrument NEWTON Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Camera Atik 460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 20x60s Observatory MPC code A77 Location Obs. Dauban A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Apr 03 13h13m41s Observation modification date 2021 Apr 03 13h34m56s