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When viewed from space
On the handlebar of Askar 71F
25" mounting barrel is internally threaded to accept threaded to accept standard 1
Meade Series 4000 #140 2x Apochromatic Barlow Lens (1
It can also be used with the 11” RASA
Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power When viewed from spaceThe Colour Magic C1 2 inch Duo band filter is designed for advanced deep sky astrophotographers who are shooting emission nebulae, like the Orion Nebula (M42), Lagoon Nebula (M8), or the Ring Nebula (M57). Unlike most filters, which record a wide swath of the visible light spectrum, this filter only records the specific, brightest colors of glowing hydrogen gas (the H or Hydrogen alpha) in your cameras red channel, and oxygen gas (the O III or Oxygen
