Celestron EdgeHD 9.25 Ota 20108 The Baader H-Alpha filter shares

The Baader H-Alpha filter shares the same outstanding features as all the other Baader imaging filters

whilst trying to judge the size of a tiny point source of light

2 Eyepieces - 10mm & 25mm

if you are not sure

Celestron EdgeHD 9.25 Ota 20108 The Baader H-Alpha filter sharesSEE THE UNIVERSE IN HD! Introducing Celestron's New Aplanatic Schmidt Telescope Design! Visibly Sharper Images Superior Performance Enhanced Mechanical Features Fastar Compatible EdgeHD is an aplanatic Schmidt telescope designed to produce aberration free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off axis star coma, but also to give an astrograph quality flat focal plane all