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first amateur comet discovery of 2017 by Leonid Elenin


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About this observation
Bryssinck Erik
Time of observation
06/01/2017 - 14:14
new comet C/2017 A3 (ELENINĀ°
Observing location
remote observatory - Siding Spring Australia
telescope: 0.51-m f/4.6
FLI CCD camera
Luminance filter
pix.res.: 1.09 arc.sec
11 x 60 sec with Luminance filter
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Observations of an object while it was still mentioned on the PCCP with a 0.51-m f/4.4 telescope from the network on 6 jan.2017.  eleven stacked 60-s exposures  show a diffuse circular coma of diameter 19" with R-magnitude 17.8 in an aperture of diameter 7".6, that i had reported to the MPC.  Object was later assigned as comet C/2017 A3 (ELENIN) with CBET  4344 issued on 6 jan.2017.

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