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Lew Gramer: "Re: NLC or early twilight?" (Jun 18, 11:34):
> Thanks, Timo. As I said, 'xephem' lists the beginning of astronomical
(18o dip)
> twilight at that site as 0632UT, while this was observed starting at
0612UT. So
> it sounds like it could not have been an NLC, unless xephem is wrong.
What might it
>have been then?? Below is a more detailed description I just
> sent to another responder, Tom McEwan. Any further comments appreciated!
> -LG
>
Zodiacal light?
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