Hi all.
I am presently looking to purchase a set of narrowband filters. My preference is leaning towards a set a Baader's. I cannot justify the cost of astronomic filters, so leaves me in the Optalong, Baader, and Altair Astro camp. Has anybody used altair Astro narrowband filters? Are they any good. Their price is higher than the Baader's, are they worth the extra cash? What are Optalong narrowband filters like to use? Again, a set of these come in more than the Baader's.
Any advice from the Stargazers community would be greatly appreciated.
Thank you.