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Originally Posted by dhumpie
Have you noticed at high magnification how there are "dark lanes" running throughout the cluster? Then again maybe its my brain making some funny shapes and patterns
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I've not taken it any higher than 89X - but plan to next time out =-)
I don't think your seeing things that aren't there. I clearly see a darker area in the middle of the cluster and I wouldn't be suprised to see some dark lanes under further study at higher magnification with my 10".
I was looking at it again last night while I was working through my carbon star list. I just had the 4.5" out 'cause I was trying to be more mobile (had to work around some trees for the carbon stars I was looking for). You also don't need lots of aperture to appriciate most of the carbon stars I've found so far.
Anyway, here is my log entry for last night:
09/01/05 LM 5.0, Std 3/5
4.5" F8 Dob and 14mm Pentax XW – 64X
Doesn't look as good tonight. The mugginess is greying up the background too much. It is still pretty and the V pattern stands right out. The dark area still isn't as pronounced as I recall the other night (in the 10"), but it is still visible. Averted Vision helps a lot.