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Photometry (FOCAS) |
Afρ |
astrometry |
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COMET C/2021 A7 (NEOWISE)
Photometric data obtained from FOCAS-
OBS BRIXIIS Observatory
CATALOG: Gaia DR2 -
10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD
COMET UTC +/-
-
C/2021 A7 13/01/2021 01:19:38 17.33 16.74 16.40 16.14 15.90 15.66 7.1 20.0 G39
C/2021 A7 13/01/2021 01:19:38* 0.06 0.05 0.09 0.09 0.06 0.04 4 5.0 Gai
AFRHO LOG
COMET UTC DELTA r BOX " MAG RSR CM +/-
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C/2021 A7 13/01/2021 01:19:38 2.74 2.92 10.06 17.36 7 70 10 1.846 G39
Af(rho) data according the CARA-
Comet C/2021 A7 (NEOWISE) (astro.vanbuitenen.nl)
Discovery:
Jana P. Chesley, Jet Propulsion Laboratory, reports the discovery of a comet in infrared images obtained during Jan. 9 UT with the Near-
[ CBET 4917 ]
last updated: 2021-
M.P.E.C. 2021-
J. Chesley reports the discovery of a comet in survey images obtained by
NEOWISE (C51) on Jan. 9 UT. She reports extended PSF in both the 3.4 and 4.6
micron channels, about twice the width of nearby stellar PSFs. Additional
reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
Q62 2021-
Q62 2021-
G39 2021-
W88 2021-