Chromosphere of the Sun, March 14, 2026

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Mar 15th, 2026

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Photo description / processing

Captured with the filter set to its narrowest bandwidth. Result of stacking 370 frames out of 1000. Gain 125, each frame exposure 100 ms.

Exposure

Can you see the same level of detail, or better/worse, through the eyepiece with your own eye?

Mar 17th, 2026

Maxim ChulkovReply to Polyakov Aleksey

Visually, the details are generally less sharp, but, for example, the limb prominences appear brighter in the eyepiece than in the photograph.

Mar 18th, 2026

Polyakov AlekseyReply to Maxim Chulkov

Interesting, so Acuter also has that banding issue that varies from one reference to another.

Mar 18th, 2026