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Trifid nebula M20

Trifid nebula M20, it derived it’s name from the tri-lobed nebula structure that excited by a triple star system in the center of the nebula. The ionised hydrogen gas cloud emits red light and called emission nebula while the adjacent nebula emits blue because it is a reflection nebula that reflects the light from the nearby stars. Between the two nebulae, there is a dark nebula called Bernard 85. Gear setup: Celestron edge HD8 @ f/7, ZWO 2600MC @0, iOptron GEM 45 guided by. Celestron OAG with ZWO 174MM, Optolong UHC 2”, Lights subs 50 x 180 sec, Flats 20, Darks 20, Bias 50. Total exposure 2 hours & 30 minutes. Captured from Bortle sky class 3.

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Uploaded on July 8, 2023