DAVE MASON   ASTROPHOTOGRAPHY
M 57 RING NEBULA

M 57,

Technical info:
Telescope: TS 80mm f6 APO triplet refractor
Camera: ZWO ASI 071 MC Pro+ IDAS LPS2 (light pollution) filter
Gain: 0
temp: -5
Exposure: 55x 120sec (Total exposure: ~ 2 hours)

Processed in Astro Pixel Processor and Photoshop CS5

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