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ρ Aql area

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I'm just putting together a map for this area, including Delphinus. I can't help noticing there's about 40 easy doubles within 2° of ρ Aql, mostly from the Chevalier catalogue. Odd to find such a high concentration in a small area.

There's a couple in there from Struve including a tight one. I wonder why he didn't pick up all these others?

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Hi Michael

From experience some of the later double star observers were slightly over optimistic on the magnitudes of the pairs. 

I had an email conversation with Brian Mason about how much fainter Jonckheere doubles are compared to their listed magnitudes in the WDS..

This may have something to do with it.



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