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Andromeda Galaxy | by Hector Ramos
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Andromeda Galaxy

Third attempt at post-processing September's data. Reduced the starfield around the galaxy, and enhanced contrast in the spiral arms.

 

Data

 

This is a composite of fifteen 5-minute subexposures:

 

6 luminance exposures, 300s bin1

3 red exposures, 300s bin2

3 green exposures, 300s bin2

3 blue exposures, 300s bin2

Captured on two separate nights, September 4 and 8, 2016, using Telescope 14 from iTelescope:

 

CCD: SBIG STL-11000M

OTA: 106mm Takahashi FSQ Fluorite

Mount: Paramount GT-1100S equatorial mount

Location: Mayhill, New Mexico.

  

Post-processing

 

Stacked and stretched with Nebulosity, then adjusted using Photoshop, both on a Mac.

  

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Uploaded on November 28, 2016