<![CDATA[New blog post: How to calculate the correct ADU target for flat frames]]>New blog post: How to calculate the correct ADU target for flat frames

Flat frames correct vignetting, dust shadows and uneven illumination. But what ADU level should you actually aim for?

The answer depends on your camera's bit depth and offset value. The formula: ADU Target = Offset + (Max ADU - Offset) x 0.50

Examples for 12-bit, 14-bit and 16-bit cameras included.

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How to Calculate the Correct ADU Target for Flats – Astronomy and Astrophotography

A Step-by-Step Guide - Using the ToupTek SkyEye 62AM and SkyEye 24AC as Examples

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Astronomy and Astrophotography (astrocamp.eu)

]]>https://board.circlewithadot.net/topic/2dbeb92e-cd23-4b1b-b6de-ff1bd8f2d998/new-blog-post-how-to-calculate-the-correct-adu-target-for-flat-framesRSS for NodeFri, 15 May 2026 10:03:08 GMTFri, 17 Apr 2026 09:05:12 GMT60<![CDATA[Reply to New blog post: How to calculate the correct ADU target for flat frames on Fri, 17 Apr 2026 12:37:59 GMT]]>@astrocampEU Thank you sir. This is knowledge I've needed.

]]>https://board.circlewithadot.net/post/https://mastodon.social/users/GranVegas/statuses/116420082361332445https://board.circlewithadot.net/post/https://mastodon.social/users/GranVegas/statuses/116420082361332445Fri, 17 Apr 2026 12:37:59 GMT