Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  IC 1274  ·  IC 1275  ·  IC 1284  ·  IC 4685  ·  Lagoon nebula  ·  M 20  ·  M 21  ·  M 23  ·  M 8  ·  NGC 6469  ·  NGC 6494  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  NGC 6531  ·  NGC 6544  ·  NGC 6546  ·  NGC 6568  ·  NGC 6595  ·  The star 11Sgr  ·  The star 14Sgr  ·  The star 15Sgr  ·  The star 16Sgr  ·  The star 4Sgr  ·  The star 7Sgr  ·  The star 9Sgr  ·  The star μSgr  ·  Trifid nebula
Lagoon and Trifid Widefield, Rowland
Lagoon and Trifid Widefield
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Lagoon and Trifid Widefield

Lagoon and Trifid Widefield, Rowland
Lagoon and Trifid Widefield
Powered byPixInsight

Lagoon and Trifid Widefield

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Description

This is rendered in Straight CIELab Luminance Retention. The idea is to show the variation in star colour It was also preprocessed completely in PixInsight, applying more optimal processes and settings. I think the original was badly truncated.

EDIT: reprocessed using dcraw and imagemagick for preprocessing. Debayer, registration and integration in Pixinsight. Post processing in StarTools

Reprocessing in StarTools

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Sky plot

Sky plot

Histogram

Lagoon and Trifid Widefield, Rowland