Deminishing returns.....

Started 3 months ago | Discussions thread
jasonm10 Regular Member • Posts: 172
Re: Deminishing returns.....

swimswithtrout wrote:

82Virago wrote:

5 minute subs at Bortle 9 is too long regardless of filter.

Have you ever shot with a narrowband filter.......?????
5 min, subs, even in B9 is no problem at f5.6

These are 8 minute subs in a Bortle 7+/8- sky, f6.5 using the same filter as the OP

How many exposures was that?

Thanks.

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