English The Lagoon Nebula, Messier object 8 (M8) or NGC6523, in the constellation of Sagittarius. determination method: SHA-1 described at URL: https://noirlab...
English The Lagoon Nebula, Messier object 8 (M8) or NGC6523, in the constellation of Sagittarius. determination method: SHA-1 described at URL: https://noirlab...