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Old 25-08-2007, 07:09 PM
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iceman (Mike)
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Join Date: Sep 2004
Location: Gosford, NSW, Australia
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Eclipse practise, Saturday night

Hi all

Got the 12" dob out in-between the clouds tonight, to practise the afocal shots for Tuesday's eclipse.

I'm borrowing RB's Canon 300D, and used my 28mm f/2.8 lens on it, afocally (handheld) shooting through a (borrowed, thanks stringscope) Parks 30mm eyepiece.

Settings: ISO400, 1/640s exposure, f/4.0, 28mm focal length.

The bottom half is sharp, but the top half is not. I need to see if it's due to being at the edge of the eyepiece, or edge of the lens.

Not the best method to get completely sharp images during the eclipse, but you have to work with the equipment you've got (or are borrowing ).

I didn't convert this to greyscale, because obviously there'll be shots when the Moon is red on Tuesday night. I need to check the white balance though, the 300D made these come out with a very yellow/green tint which I tried to remove some of during processing.

Only other processing was resize, levels and USM.

Thanks for looking.
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