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Your search - "((\"the patrick moore ((practical astronomy) or (nautical astronomy)) sergey\") or (\"the ((patrick more) OR (patrick mkie)) ((practical astronomy) or (nautical astronomy)) sergey\"))" - did not match any resources.

Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
patrick more » patrick moyes, patrick mark, patrick marx
patrick mkie » patrick mackie, patrick mein, patrick m