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Icosahedron

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Topics posted by Icosahedron

  1.  

    23/03/2022: The Sun in blue.

    By Icosahedron, in Imaging - Solar

    • 2 replies
    • 279 views
  2.  

    17/3/2022: Aluminium doublet.

    By Icosahedron, in Imaging - Solar

    • 1 reply
    • 516 views
  3.  

    25/2/2022: Hydrogen lines.

    By Icosahedron, in Imaging - Solar

    • 7 replies
    • 754 views
  4.  

    My first attempt at prominences.

    By Icosahedron, in Imaging - Solar

    • 1 reply
    • 313 views
  5.  

    24/9/2021: All wavelengths from session.

    By Icosahedron, in Imaging - Solar

    • 8 replies
    • 465 views
  6.  

    24/9/2021: The three faces of hydrogen.

    By Icosahedron, in Imaging - Solar

    • 3 replies
    • 463 views
  7.  

    5/9/2021: The Sun in six wavelengths.

    By Icosahedron, in Imaging - Solar

    • 6 replies
    • 603 views
  8.  

    Something different, H13.

    By Icosahedron, in Imaging - Solar

    • 9 replies
    • 649 views
  9.  

    Spectroheliograph: First light. 1 2

    By Icosahedron, in DIY Astronomer

    • 49 replies
    • 3,445 views
  10.  

    A DIY CCD camera.

    By Icosahedron, in DIY Astronomer

    • 11 replies
    • 6,078 views
  11.  

    Another motorised focuser.

    By Icosahedron, in DIY Astronomer

    • 18 replies
    • 1,743 views
  12.  

    The gadget.

    By Icosahedron, in DIY Astronomer

    • 7 replies
    • 1,111 views
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