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C/2021 D1 (SWAN)

Orbital period : 962.20 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 12 18h57 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11.4
Aperture radius used for m10.4 '
Nuclear magnitude (m2)13.8
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 0.921 AU
d (dist/Earth) 1.669 AU
Right ascension00 29 07.06 h m s
Declination+21 31 19.2 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS JG. Bosch, F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.03.12 22:03:12
AC2 fkugel@free.fr
NET NOMAD
    CK21D010  C2021 03 12.78956 00 29 07.06 +21 31 19.2          13.7 V      A77
    CK21D010  C2021 03 12.79605 00 29 09.11 +21 31 34.3          13.8 V      A77
    CK21D010  C2021 03 12.80338 00 29 11.32 +21 31 49.2          11.4 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 details18x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Mar 12 22h28m25s
Observation modification date2021 Mar 12 22h32m55s

(Record n° 23053)

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