C/2021 P4 (ATLAS) (Record n° 23849)
Orbital period : 5369.00 years
NASA/JPL elements
IAU/MPC elements
On 2021 Aug 18 21h25 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 19.8 m2 standard deviation 0.1 Aperture radius used for m2 4.5 " r (dist/Sun) 4.579 AU d (dist/Earth) 4.311 AU Right ascension 01 03 01.40 h m s Declination +57 26 44.2 ° ' " MPC report COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK NEOCP L27 2021.08.19 09:06:46
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK21P040 KC2021 08 18.89203 01 03 01.40 +57 26 44.2 19.8 R L27
CK21P040 KC2021 08 18.93910 01 02 59.95 +57 27 16.7 19.9 R L27
CK21P040 KC2021 08 18.98616 01 02 58.10 +57 27 47.2 19.8 R L27
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 875 mm Instrument focale/diameter 3.5 Filter(s) None Camera ATIK 414-EX- Sensor CCD Sensor temperature -10 °C Binning 1x1 Mount PARAMOUNT-ME- Autoguide No Exposure details 60 x 60s Observatory MPC code L27 Location Dauban (04) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.49 "/pix Observation submission date 2021 Aug 21 15h15m42s Observation modification date 2021 Aug 21 15h20m42s