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C/2021 D1 (SWAN)

Orbital period : 962.20 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 16 18h55 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.6
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.4
m2 standard deviation0.2
Aperture radius used for m25.8 "
Coma diameter4 '
r (dist/Sun) 0.941 AU
d (dist/Earth) 1.667 AU
Right ascension00 50 05.25 h m s
Declination+23 54 01.8 ° ' "
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 A77 file updated 2021.03.17 07:15:36
AC2 fkugel@free.fr
NET NOMAD
    CK21D010  C2021 03 16.78807 00 50 05.25 +23 54 01.8          15.6 V      A77
    CK21D010  C2021 03 16.79387 00 50 07.13 +23 54 12.9          15.2 V      A77
    CK21D010  C2021 03 16.79965 00 50 08.82 +23 54 25.2          10.6 T      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
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details6x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.5
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Mar 17 07h23m19s
Observation modification date2021 Mar 17 07h30m25s

(Record n° 23072)

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