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Sun 27 Oct in H-alpha


sheri_barri

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Another remarkably bright day although the seeing was only fair. The Sun didn't fail to impress by the enormous sunspot active region 1117 and a huge spiking prominence off the adjacent limb.

The tuning of the etalons has been adjusted over recent sessions and I am having difficulty getting it back to the 'even' sharpness previously achieved. Not at the minimum bandpass achievable but at a compromised even level. Hopefully the effect is not too apparent. Something to work on next long imaging session.

Thank you for looking.

Sheri

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