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C/2021 P4 (ATLAS)

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 deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 4.560 AU
d (dist/Earth) 4.271 AU
Right ascension01 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 configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Binning1x1
MountMeade-MCMT-TDM
Exposure details7x90s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsTail 10 arcsec in PA = 235°
Observation submission date2021 Aug 21 11h07m28s
Observation modification date2021 Aug 21 15h48m55s

(Record n° 23844)

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