Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power Periodic Error Correction Permanently Programmable

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

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

It can also be used with the 11” RASA

exotic Lanthanum elements

and Saturn without significantly dimming the image

Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power Periodic Error Correction Permanently ProgrammableThe 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