Saturday, September 28, 2019

M21 M8 M20 panorama


I like taking pictures of the night sky.  This is a combination of images centered on M8, M20, and M21

The color comes from Ha, G, and B bands. The red regions are hydrogen gas.  Exposures were 3 300s  for L band and 1 300s for Ha, G, and B bands.

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