Sunspot/Active Regions AR12674 and AR12673 – September 7, 2017

Wide field view of Active Region 12674 and 12673 taken on September 7, 2017.

Tech Specs: Canon EF 400mm f/5.6L USM + Canon 2x Extender III + ZWO ASI290MC camera piggyback mounted on a Meade 12” LX90 telescope on a Celestron CGEM-DX mount. Best 50% of 5000 frames collected using SharpCap v3.0 and AutoStakkert! V3.0.14 (x64). A 77mm Thousand Oaks Optical Solar Filter was on the business end of the lens. Date: September 7, 2017.


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