Some Active Amateur Double Star Observers
Part of the Patrick Moore’s Practical Astronomy Series book series (PATRICKMOORE)
Although some effort has been expended to try and collect as much information as possible about the current activities of individuals and groups involved in double star observing the following notes should be taken as a guide only.
KeywordsPosition Angle Angular Separation Close Pair Active Observer Double Star
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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