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This image of M8 the lagoon nebula is technically speaking the highest resolution image ever captured of the full nebula. That is to say the actual amount of sky per pixel of the camera, combined with the fact that the image covers the whole nebula, makes it the highest resolution image at 0.2" per pixel. To beat this image someone would need to use a camera with very small pixels and a telescope of at least 3,700mm focal length, which is an insane amount of resolution.
This image took 31hrs of exposure and is Ha-RGB. Meaning the colors are natural but the luminance is narrowband. The RGB stars were added back in for a more natural look. This image is also a mosaic, meaning it is a panorama of three images shot in one row.
This image is available as a print here!