C/2021 P4 (ATLAS) (Record n° 23844)
Orbital period : 5369.00 years
NASA/JPL elements
IAU/MPC elements
On 2021 Aug 20 03h10 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 19 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 4.560 AU d (dist/Earth) 4.271 AU Right ascension 01 02 15.75 h m s Declination +57 40 29.2 ° ' " 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 2021.08.20 06:14:12
AC2 fkugel@free.fr
COM Tail 10 arcsec in PA = 235°
COM CCD ATIK 460EX exposure = 7x90s each (No filter)
COM Photometry aperture radius used for m2 = 5.8 arcsec (7 pixels, 0.83 arcsec/pix)
NET NOMAD
CK21P040 KC2021 08 20.13203 01 02 15.75 +57 40 29.2 19.1 V A77
CK21P040 KC2021 08 20.14015 01 02 15.39 +57 40 34.4 19.0 V A77
CK21P040 KC2021 08 20.14826 01 02 15.06 +57 40 40.0 19.0 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 Binning 1x1 Mount Meade-MCMT-TDM Exposure details 7x90s Observatory MPC code A77 Reference stars catalog NOMAD
Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Tail 10 arcsec in PA = 235° Observation submission date 2021 Aug 21 11h07m28s Observation modification date 2021 Aug 21 15h48m55s