December 31, 2009

It's almost 2010!

The Moon is 98% full as of blogging this.
Early this month I reposted a Moon shot using the ETX90:

Today, I looked for my MD>T-mount adapter and was wondering why I was not using the full tube that came with it which looks something like this:
(image borrowed from www.fedler.com)

then realized that it has something to do with the focal length :P
I tried the ETX again tonight w/ the complete tube and got this:
Notice 'how' the Moon didn't fit the APS-C sensor

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