Messier 20, known as the Trifid Nebula, an area of nebulosity in the constellation Sagittarius. The area is a combination of an open cluster of stars, a reflection nebula (the blue area at top),an emission/HII region (the red area), and a dark nebula (interstellar dust/clouds causing the apparent gabs or dark areas within the area. The Trifid Nebula is approximately 5,100 light years from Earth in the Scutum arm of the Milky Way galaxy.

Image & Equipment Details:
Date: 7/16/17
HaLRGB Image, 148 Minutes total Integration
R: 8X240s Bin 2X2
G: 8X240s Bin 2X2
B: 8X240s Bin 2X2
L: 7X240s Bin 2X2
Ha: 6X240s Bin 2X2

Calibrated with bias, flat, and dark frames
Processed in PixInsight
Temp: -20C

Imaging Scope: Explore Scientific 127CF Apochromatic Triplet
Imaging Camera: SBIG STF-8300M

Annotated Image: