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Old 20-09-2018, 05:52 PM
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billdan (Bill)
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Join Date: Mar 2012
Location: Narangba, SE QLD
Posts: 1,319
Baader has recently released a 3.5nm Ha filter, its reasonably priced at $506 AU + GST (compared to Astrodons), although its only in a 2 inch size at the moment (different sizes to come later).

https://www.baader-planetarium.com/e....html?___SID=U

Last edited by billdan; 20-09-2018 at 06:11 PM.
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