Fwd: [APML] New wide field picture: Ursa Maior

["Nicola" <centaurus_a@virgilio.it>]

Scott,

you're right, but I still have some problems in using and regulating the
rule of thumb of the square of the f/ratio, depending on the sky conditions,
so I try to be always conservative.

regards,
Nicola

==========================================================================
With best regards, Nicola.  E-mail: centaurus_a@virgilio.it

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