C/2021 P4 (ATLAS) (Record n° 24431)
Orbital period : 5369.00 years
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 25 17h28 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 17.8 m2 standard deviation 0.2 Aperture radius used for m2 4.69 " r (dist/Sun) 3.559 AU d (dist/Earth) 3.073 AU Right ascension 22 34 40.63 h m s Declination +57 59 28.1 ° ' " 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 2021.11.25 20:09:01
AC2 fkugel@free.fr
NET USNO-B1.0
CK21P040 C2021 11 25.72798 22 34 40.63 +57 59 28.1 17.6 V A77
CK21P040 C2021 11 25.74195 22 34 40.44 +57 59 23.6 18.0 V A77
Instrumental configuration Config3 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1137 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik490ex-color Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 1x120s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Resulting picture sampling (scale) 0.67 "/pix Observation submission date 2021 Nov 25 20h11m21s Observation modification date 2021 Nov 25 20h44m22s