Thread: Ngc6164
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  #12  
Old 06-05-2018, 06:16 PM
topheart
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Join Date: Nov 2005
Location: Cairns
Posts: 1,087
Hi Rick,
With the O3 there is about 10 hours of data.
I have uploaded a thumbnail of the mean O3.


https://apod.nasa.gov/apod/ap140522.html This is a great rendition showing the outer halo well.....
Cheers,
Tim
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