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Originally Posted by Striker
Paul,
You can clearly see the extra HA response with similar exposure time to mine.
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Hi Tony,
Yes I agree, the removal of the Standard CMOS filter really lets in a lot of extra Hα.
Have you considered giving ISO200 a go instead of ISO800 that you used?
It is my thoughts that the lower ISO captures more of the nebula than does higher ISO. "Where there is less noise, there is more nebula" - could be wrong but ISO200 seems to be giving me the smoothest results.
Anyhow, the dark is coming !
Paul