Best of AOP - Diffuse Nebulae

M20: The Trifid Nebula Wide

The Trifid Nebula or M20 is one of the most observed summer nebulae. It gets its distinct look from dust lanes that seem to divide the nebula into three parts. Located in the constellation Sagittarius, its distance is estimated at approximately 5,000 light years.

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Last Updated: 07-Jun-2014

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About This Image

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76mm Televue (480mm f/6.3 with TeleVue 0.8x Field Corrector) 

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

Luminance = (RGB) synthetic binned 1x1

Red = 15 minutes binned 1x1

Green = 15 minutes binned 1x1

Blue = 25 minutes binned 1x1

Minimum credit line: Lawrence Johnson and Kathy Ortega/Adam Block/NOAO/AURA/NSF