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Posted by Ballpark Frank (69.178.8.75) on 12:18:54 03/31/17
In Reply to: maybe not posted by Hoot
Hoot,
I had not thought about the possibility of a motorized tracker. I'm guilty of functional fixedness, categorizing motorized trackers in by brain into the "tool of astronomers" category. Given what you read on his website, it looks unlikely that he did use one.
I had not thought about the possibility of glow from a city on or beyond the horizon. I'm well familiar with the type of glow you speak of. I've seen it in a number of geographies, but I've always been frustrated that Las Vegas, with its veritable "carnival" of lights, hardly produces this type of glow. I can't tell you how many times I have approached Vegas from one of the four cardinal directions, and not detected a noticeable glow until I reached a point where I was seeing the city laid out before me. Two directions in particular are frustrating, one being coming from the east on I-15, the other being approaching from the southeast via Railroad Pass. Even traveling east, returning from day trips to Death Valley, I've not seen much of a glow. I wonder if the typically very low humidity has something to do with this phenomenon. I know that approaching Denver, NYC, or Seattle, you sure see the glow on the horizon in the distance.
Not knowing exactly where in New Mexico this was photographed, I wonder if the glow could be remnant radioactivity from Alamogordo or White Sands. Whoa!!! :))
Ballpark
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