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NGC6357 SHO Narrowband - May 2023


MarsG76

NGC 6357, AKA, "Lobster" nebula and "War and Peace Nebula" because of its appearance in the bright western part that resembles a dove and the eastern part resembles a skull.

NGC 6357 is about 5500 light years away in the constellation Scorpius near the better known NGC 6334, AKA the "Cat's Paw" or "Bear Paw" nebula.

This photo is a two plate mosaic and was taken through a 8" SCT at f6.3 (1280mm focal length) and exposed with a QHY268M astronomy camera.

The total integration time was 47 hours and 10 minutes for both of the mosaic plates through all four of the narrowband filters, H-Alpha, OIII, SII and H-Beta.

Copyright

© Mariusz Goralski

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