Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Lagoon Nebula  ·  M 8  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  The star 7 Sgr  ·  The star 9 Sgr
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M8 - The Lagoon Nebula - Narrowband, Peter Hannah
M8 - The Lagoon Nebula - Narrowband
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M8 - The Lagoon Nebula - Narrowband

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M8 - The Lagoon Nebula - Narrowband, Peter Hannah
M8 - The Lagoon Nebula - Narrowband
Powered byPixInsight

M8 - The Lagoon Nebula - Narrowband

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Description

M8 (NGC 6523) is a large emission nebula found in the constellation of Sagittarius. The open cluster NGC 6530 is embedded in the cloud, and it is these stars that cause the emission nebula to glow.
M8 is about 100 light years long and about 5,000 light years distant.

This is a narrowband image comprising SII, H-α and OIII filters mapped respectively to the RGB channels. The stars were processed separately to obtain their approximate true colours, as they can otherwise appear purplish through these filters. A Luminance signal was also obtained to improve resolution.

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M8 - The Lagoon Nebula - Narrowband, Peter Hannah