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Old 10-06-2016, 12:42 PM
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PRejto (Peter)
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Join Date: Jan 2011
Location: Rylstone, NSW, Australia
Posts: 1,397
Blue Filter Issue

My first attempt to use new Astronomik filters.....

The R and G mean stacks look totally normal (ca 80 x 5 min subs).

The blue looks terrible and when highly stretched shows what looks like 4 off-centre large overlapping circles. The blue flat doesn't show the circles. Just in case it was the flat I stacked without using the flat and got the same result.

My setup for this did not include the usual ONAG. It was TEC140/SX FW/Trius.

Any ideas?

Thanks!

Peter
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