Antilhue - Chile

M 8 - Lagoon Nebula
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Image Data

Designation M 8, NGC 6523, Hourglass nebula
Constellation Sagittarius (Sgr)
Description This fine nebula, dicovered by Messier in 1764, shows very extensive luminosity of varying brightness with dark irregular lanes followed by a bright open star cluster (NGC 6530). The brightest part is called the Hourglass nebula and is excited by the star Herschel 36. Distance: about 5000 lightyears.
Exposure Ha 60 min @ -16C, 1x1
Camera SBIG ST-10E selfguided,  CFW-8,   Custom Scientific 3nm Ha Filter
Optics Astro-Physics AP155EDFS @ f/7.2 (prime focus)
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD, Adobe Photoshop 6.0
Location - Date - Time San Esteban (Chile) - 06May2002 - 07:00 UTC
Conditions Transparency 7,  Seeing 6, Temperature +13C