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Gerhard Bachmayer | all galleries >> AstroPhotos >> Astrophotos 2008-2018 > Nebulosity in Corona Australis
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Nebulosity in Corona Australis

Nebulosity in Corona Australis


Be 157 is a dark nebula, superimposed on the many background stars of our Milky Way . Bright blue giants illuminate parts of it, generating reflection nebula NGC 6727. This nebula itself contains three mayor bright parts: NGC 6726 in the center, NGC 6729 ( a variable cometary nebula) to the lower left and IC 4821 to the lower right. NGC 6723, a globular cluster can be seen in the upper right corner .

Telescope: ASA 10N-OK3 f3,6
Mount: Astrotec OTE150
Guider: Starlight XPress Loadstar
Camera: FLI PL16803
Filter-wheel: FLI CW 5-7
Filter: FLI LRGB
Exposure: L:12x300sec, R:4x300sec, G:4x300sec, B:4x300sec
Programs: Maxim DL 5.0, CCDStack 1.6, PixInsight SE 1.5 full exif

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