M57 approx 2m single No calibration
M57, the Ring Nebula in Lyra, a planetary nebula, the remnants of a red giant star. Such objects are formed when a shell of ionized gas is expelled into the surrounding interstellar medium. A single image of approx. 2 minutes, the original .fit file was not processed, the only thing done to it was a CMYG RAW conversion.
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