Quote:
Originally Posted by glend
Well yes I think it does make a difference however it depends on the age of your eyes, the magnitude of the object your trying to view, and the seeing conditions.
Omega Cent is one of the brightest of objects and is easily observed. Try doing the same experiment with the Eye's Galaxies and you should notice that dark adaptation does make a difference.
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Yes, try extended objects and very faint ones at that. Try the galaxies at the limit of your telescopes light gathering capability. Then try them on different occasions.
I like to observe galaxies at the limits of visibility, not to detect structure or detail but just to detect the object at all. I find dark adaptation is essential to seeing the object but that is not the only thing. I have not yet invested in a sky quality meter and will do so one day but I can say that on different evenings a particular galaxy may or may not be visible. There may be many factors contributing to seeing an object one day and not the other and for me dark adaptation only helps improve the likelihood of seeing something extremely faint.