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000 yards (6
An off-axis solar filter blocks light into the telescope by only allowing light through a small portion of glass that is off center
SkyWire is the most straightforward
The free ARTelescope App uses augmented reality to identify stars
CAMERA QUARK Filter For NIKON - CHROMOSPHERE Model
Astrozap Artificial Star Accessories_Mount 000 yards (6Astrozap Artifical Star Collimation, in its simplest terms, is the alignment of the mirrors or other optical surfaces in the telescope. A telescope that is out of collimation will typically not perform as well as a lesser telescope (25 50% less aperture) that is in collimation. If you put the extra money into a larger telescope, you are not reaping any benefits of it unless the scope is collimated. Also, no telescope will allow you to reach a crisp
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