The Lagoon Nebula in Sagittarius-An HaRGB Combination Image

Imaged from Nova Scotia, Summer, 2014

The Lagoon nebula is a very bright cloud of ionised hydrogen gas located toward the galactic center and approximately 4,100 light years distant from Earth. In apparent size on the night sky, it spans about twice the area of the full moon.

Data
Altitude at culmination 21
Airmass Value (sec z) 2.8
Taking Camera SBIG STL-11000XM Nova Scotia, June 2014 Skies:~mag 6.4 - No moon. Sensor @-20C.
Imaging OTA Takahashi TOA-150
Equivalent focal length and ratio 1090mm f/7.3
Mount Astro-Physics 1600GTO
Guiding PHD2/ST-i/MMOAG
HaRGB Ha-6X15min-5nm Astrodon Filter RGB 26X5min each-Astrodon series I Gen 2. All binned 1x1
Acquisition Main Sequence Software-Sequence Generator Pro
Calibration and Stacking Darks, Flats and Bias Frames - PixInsight
Processed PixInsight and Adobe Photoshop CS4.

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