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The Lagoon Nebula (Messier 8, M8 or NGC 6523) is a emission nebula in the constellation Sagittarius, and is estimated to be between 4,000-6,000 light-years from the Earth. This image was taken with a full spectrum modded DSLR through a 80mm refractor for a total exposure time of 1002 minutes through SII, HAlpha and OIII filters.
© Mariusz Goralski
Hello Astronomers, As I'm still slowly processing my remaining data captured earlier this year, now I'm sharing with you my image of the Lagoon Nebula exposed in narrowband Hubble palette. To me, the shape of M8 in narrowband resembles the map of Australia... This image was also in the group of captures in exposing the Prawn, Lagoon and Swan nebulae on the night of 5/6 July in OSC natural color. As with the Prawn and Swan nebulae, I decided to spend a few nights capturing SII, HAlpha and OIII data of M8 also, spending 1/3rd of the night imaging time on each of the objects, this way I ended up with data of all three at the end of the imaging sessions. This image was exposed through my Bosma 80mm refractor and the full spectrum modded Canon 40D on nights from 6th till 19th July 2019. The total exposure for all three channels of this image was 1002 minutes. Thanks for looking, Clear skies Mariusz