I have been to many Dark Sky sites in both Australia and the US. Mt Kaputar is a second darkest sky for me. The slight altitude helps seperate some of the dust from the atmosphere, so you are under a slightly more transparent sky. To prove to myself this is the case I had observed down at the Mt base then driven up to the top and again observed after letting myself dark adapt and it was better at the summit.
The darkest skies where from the middle of bumblef*** in South Australia near Glendambo. Gary, Mai, my wife and I were there to watch the Solar Eclipse and decided to camp the night just off the road near the rail line. I distinctly remember that the sky was DARK and Transparent. It had rained there only a few days before and the dust had been washed out of the sky.
The Sky at Ilford is good but Coona is much better. The TSP is held at one of the darkest spots in the US and even there the sky is in my opinion is no better than Ilford.
Andrew
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