C/2021 D1 (SWAN) (Record n° 23072)
Orbital period : 962.20 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 16 18h55 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.4 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " Coma diameter 4 ' r (dist/Sun) 0.941 AU d (dist/Earth) 1.667 AU Right ascension 00 50 05.25 h m s Declination +23 54 01.8 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.03.17 07:15:36
AC2 fkugel@free.fr
NET NOMAD
CK21D010 C2021 03 16.78807 00 50 05.25 +23 54 01.8 15.6 V A77
CK21D010 C2021 03 16.79387 00 50 07.13 +23 54 12.9 15.2 V A77
CK21D010 C2021 03 16.79965 00 50 08.82 +23 54 25.2 10.6 T A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 6x60s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Mar 17 07h23m19s Observation modification date 2021 Mar 17 07h30m25s