Contains:  Solar system body or event
Sunspot 2638, Feb 24th 2017, Martin (Marty) Wise

Sunspot 2638, Feb 24th 2017

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Description

Sunspot 2638 on Feb 24th 2017 in Hydrogen Alpha wavelength with a 120mm refractor and a Daystar Quark via an AS178MC CMOS camera. 3,000 frames, best 15% stacked, with a flat calibration frame.

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Sunspot 2638, Feb 24th 2017, Martin (Marty) Wise

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Solar Astronomy