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Astronomy Filters

Discussion about astronomy filters - which to use on what objects, and under what conditions.

13 topics in this forum

  1. Glenn Astrobloke reviews the new Altair Astro 2” TRI RGB filter

    By TerryMcK,
    • 3 replies
    • 182 views

  2. light frames for different filters

    By woodblock,
    • 2 replies
    • 30 views

  3. Stars, stacking, exposure time, Lum / RGB / Narrowband

    By Demon,
    • 2 replies
    • 113 views

  4. Testing out Altair's New TRI-RGB filter

    By Ryan,
    • 3 replies
    • 360 views

  5. Methodical way to determine what filters are necessary?

    By Demon,
    • 4 replies
    • 191 views

  6. How Low Can You Go?

    By AstronomyUkraine,
    • 1 reply
    • 186 views

  7. ZWO V2 7x 36mm EFW - Antlia 3nm SHO and LRGB Filters

    By TerryMcK,
    • 7 replies
    • 740 views

  8. Solar Filters

    By Razz,
    • 2 replies
    • 665 views

  9. Filters, filter wheels and filter sizes

    By woodblock,
    • 3 replies
    • 829 views

  10. Mellow Yellow Musings

    By Nightspore,
    • 0 replies
    • 851 views

  11. New Optolong 3nm Narrowband filters

    By AstronomyUkraine,
    • 2 replies
    • 1.1k views

  12. Optolong Filters

    By Dave_S,
    • 2 replies
    • 773 views

  13. Ultra narrowband filters with fast scopes

    By nickaltair,
    • 0 replies
    • 733 views
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