RE: [APML] Poor Blue in 400F?

[Alan Voetsch <alanv12952@yahoo.com>]

--- Jim Renard <jcrenard@hotmail.com> wrote:
I think  sky conditions play more of a role than people think. I have
shot it for 90min one night and the next the same time one was good the
other had nothining. 61cm f7.5 rc 

That's certainly true. I've done the same thing, shooting the same
target multiple times and nights in a row. One night will show tons
more than another even though limiting stellar magnitudes will be
similiar. Personlly, I don't care. If I can see all the the Little
Dipper stars, I'm going to open a shutter. If that last star is a
little hard to see then I may shoot open clusters or globs.

Alan




SCT Astrophotography: http://www.pbase.com/avoetsch/astrophotography
FS-102 G-11/Gemini: http://www.pbase.com/avoetsch12952/tak_fs102
& http://www.pbase.com/avoetsch12952/fs102
& http://www.pbase.com/avoetsch12952/takpf

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