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John O'Neal's Discussions (6)

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Discussions Replied To (6)	Replies	Latest Activity
"That's exactly right, Bill. But the upside is that only the light you want to pass t…" John O'Neal replied Oct 14, 2011 to IDAS LPS2	5	Oct 14, 2011 Reply by John O'Neal
"Hi, Kevin,almost every single image on my site was taken with a light pollution filt…" John O'Neal replied Oct 14, 2011 to IDAS LPS2	5	Oct 14, 2011 Reply by John O'Neal
"That's right, Bill. Imaging time is increased because less light is getting through…" John O'Neal replied Mar 26, 2011 to IDAS LPS2	5	Oct 14, 2011 Reply by John O'Neal
"I almost exclusively use the Orion Broadband Skyglow Filter. The SkyGlow Imaging fil…" John O'Neal replied Feb 14, 2011 to Light Pollution Filters	2	Feb 16, 2011 Reply by Starhopper
"Hi, Starhopper, Thanks for the link to the tutorial. GOOD STUFF! I think I'll have t…" John O'Neal replied Feb 13, 2011 to Gradient Exterminator	5	Feb 13, 2011 Reply by Starhopper
"Thanks, Steve, I agree. I used it successfully to shoot Comet 103P when it was about…" John O'Neal replied Feb 13, 2011 to Gradient Exterminator	5	Feb 13, 2011 Reply by Starhopper

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