M-57 The 'Ring' Nebula

M-57 The 'Ring' Nebula in Lyra. Size 1'x1' magnitude 9. The brightest planetary nebula in the sky. The CCD image here rivals film photography taken by Mt Polamar, only 10 years ago. Imaged with a ST-6 CCD camera, Tri-colour RGB 5-10-10 minutes.