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Lagoon & Trifid Nebulae

This is a wide-field image of Lagoon (M8) & Trifid nebulae (M20) in Sagittarius constellation. These nebulae are both star nurseries. The Lagoon nebula is emission nebula mainly composed of Hydrogen gas. The black focal spots in the nebula are protostar collapsing dust clouds called Bok globules. The nebula is brightened by two giant stars in the centre and the open star cluster NGC 6530 above it. In the other side, the Trifid nebula which is composed of Red emission nebula & Blue reflection nebula. It’s called trifid because the dark dust lanes are separating the nebula into three lobes. Its about 5,200 light years distance. Gear setup: WO Redcat51 f/4.9, Optolong L-Pro, ZWO ASI 2600 MC, iOptron Sky Guider Pro unguided, ASIair. Acquisition 20 x 180 sec subs, 20 Darks, 50 Bias. Total one hour integration. Processed by DSS, PS and Topaz Denoise AI. Little cropped from sky Bortle 4.

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Uploaded on September 2, 2021