gallery_m57lyra(ringnebula)

M57, the Ring Nebula, is a planetary nebula in the constellation Lyra. The nebula is relatively easy to find and is visible even with 3-4 inch telescopes. Imaged with a Sky-Watcher 100 ED 4 in f/9 refractor, Kenko NES mount, Canon 450D DSLR, stack of 10 images with 60 sec exposure each at IS0 1600. April 5, 2012, Camarines Norte, Philippines.

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