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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