Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power Each has a stable and

Each has a stable and smooth base allowing fluid effect pans

Periodic Error Correction Permanently Programmable Power Requirements Car battery adapter Resolution (Dawes) 0

It can also be used with the 11” RASA

25" mounting barrel is internally threaded to accept threaded to accept standard 1

Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power Each has a stable andThe 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