M57 (NGC 6720, PN G063.1+13.9, PK 63+13.1) planetary nebula in
Lyra. This is my first attempt at LRGB imaging with the DSI Pro II.
L channel is 30x45sec and the RGB channels are 16x45 sec each.
Captured w/ Envisage, and processed with Iris (calibration and
Drizzle combined), PixInsight LE, and PhotoShop CS. Telescope
is an 8inch f5 Newtonian. North is up.