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Well Robert I don't know, I just used the counting method described in Erics post on this site to establish this figure. For the record I don't actually live in Townsville, I live on 24 acres about 30Km north of Townsville, and our property backs onto native scrub. The only bit of light polution visible in our sky is for about 5 degrees from the north eastern horizon. I am not arguing the point, because as my avatar suggests, I am a newby, just clarifying my location. Thanks for your help.
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