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Large Solar Prom - 09.29.15



Sun in Ha


Date & Site:

10:30 am on September 29, 2015; Carlsbad, CA

Conditions: Clear; 75 degrees


Telescope: Lunt 80mm Ha Telescope

Mount: Losmandy G-11 with Gemini
Camera: Point Grey Grasshopper USB3 CMOS Video Camera

0.7 Angstrom bandwidth hydrogen-alpha filter with an 18mm blocking filter


This image was created from the best 15% of two separate 1000-frame video clips (each 42 fps): one with exposures set to bring out the prominences and another set to capture surface detail.

8.2 light minutes away

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