Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  B302  ·  B303  ·  HD165921  ·  HD166000  ·  HD166056  ·  HD166107  ·  HD166192  ·  HD313889  ·  HD314034  ·  HD314035  ·  HD315139  ·  HD315140  ·  HD315141  ·  HD315250  ·  IC 1275  ·  IC 4685  ·  LBN 28  ·  LBN 29  ·  LDN 210  ·  LDN 211  ·  LDN 213  ·  LDN 214  ·  NGC 6559  ·  PK006-02.1  ·  Sh2-29
NGC 6559 & IC 4685, Mathieu Guinot
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NGC 6559 & IC 4685

NGC 6559 & IC 4685, Mathieu Guinot
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NGC 6559 & IC 4685

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Description

NGC 6559 (left part of the image) is a star-forming region located about 5000 light-years away in the constellation of Sagittarius, very close to Messier 8 Nebula and showing both emission (red) and reflection (bluish) regions.
At the center, the emission nebula IC 4685 is crossed by the dark nebula Barnard 303.

Processing is RHa-HaRGB made with Pixinsight & Photoshop.

Data grabbed on Telescope Live, taken from 2022/04/29 to 2022/08/14 at El Sauce Observatory, Chile.

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NGC 6559 & IC 4685, Mathieu Guinot