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M8 - The Lagoon Nebula


From the author of   Sizing Up The Universe


M8

M8

22:40 EDT Jun 18, 2006.
Starlight Express SXV-H9 on Tak FSQ106 at f/5.
Ha = 80 min, OIII = 60 min.
Limiting sky mag: Ha=16.2, O-III = 17.1.
L = Ha + OIII, R = Ha, G = B = OIII (guided 4-minute subexposures under mag. 3 skies).
Lucy-Richardson, Log stretch.

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