Quote:
Originally Posted by ngcles
Interested in your impressions of NGC 3766 -- you saw 2 orange stars which is pretty much what I'd expect in the 4". With 8-10" there is third one. Two are close together on the NW side of the cluster and the third is just to the east of centre. All three are M0 Iab supergiants. The three are pretty easy to see in 10" and make the white stars look a bit "icy" by contrast. Must take a look next time to see if I can see the "W". This cluster truly is one of the rarely mentioned gems of the southern sky that if transplanted to say Cassiopeia, we'd never hear the end of ...
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Cheers Les, if you hadn't mentioned it in the latest AS&T, I wouldn't have tracked it down.
The "W" jumped right out at me, but that was because the of orientation of the scope. Others may see a "M", or Greek Sigma character "Σ". The two orange stars were at the bottom and top of the last part of the "W" ... i.e. "/".