C/2021 C3 (Catalina) (Record n° 22999)
Orbital period : 502.70 years
NASA/JPL elements
IAU/MPC elements
On 2021 Feb 17 02h52 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 18.2 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 2.277 AU d (dist/Earth) 1.562 AU Right ascension 13 24 08.10 h m s Declination -10 08 16.8 ° ' " 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 PCCP file updated 2021.02.17 05:59:34
AC2 fkugel@free.fr
COM Photometry aperture radius used for m2 = 5.8 arcsec (7 pixels, 0.83 arcsec/pix)
COM Dia coma around 12"; Tail 15" in PA 244°
NET NOMAD
CK21C030 KC2021 02 17.11935 13 24 08.10 -10 08 16.8 18.4 V A77
CK21C030 KC2021 02 17.12977 13 24 06.95 -10 07 50.3 18.2 V A77
CK21C030 KC2021 02 17.14019 13 24 05.84 -10 07 24.4 18.1 V 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 -25 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 27x90s Observatory MPC code A77 Reference stars catalog NOMAD
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Feb 26 07h45m09s Observation modification date 2021 Feb 26 07h46m26s