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Aberrations are defects in images produced by a telescope (or optical system). They are caused by limitations in the design and manufacture of the optics. In theory, a perfect scope...
Aberrations are defects in images produced by a telescope (or optical system). They are caused by limitations in the design and manufacture of the optics. In theory, a perfect scope...
"Seeing" is the term astronomers use to describe the sky's atmospheric steadiness. Transparency is used to describe atmospheric clarity.The atmosphere is in continual motion with chan...
"Seeing" is the term astronomers use to describe the sky's atmospheric steadiness. Transparency is used to describe atmospheric clarity.The atmosphere is in continual motion with changing temperatu...
Collimation is the proper alignment of the optical elements in a telescope, which is critical for achieving optimum results. Poor collimation will result in optical aberrations and distorted images...
Collimation is the proper alignment of the optical elements in a telescope, which is critical for achieving optimum results. Poor collimation will result in optical aberrations and distorted images...
You can use your finderscope (finder) to accurately polar-align your equatorial mount. This is more accurate than a rough alignment using the mechanical scales on your mount or roughly pointing...
You can use your finderscope (finder) to accurately polar-align your equatorial mount. This is more accurate than a rough alignment using the mechanical scales on your mount or roughly pointing...
When you look at an equatorially mounted telescope, you will notice dials on both axes of the scope. These graduated circular scales are the setting circles and are used to...
When you look at an equatorially mounted telescope, you will notice dials on both axes of the scope. These graduated circular scales are the setting circles and are used to...
The farthest you can see in the sky with your telescope will depend on its ability to gather light and where you observe.The most distant objects visible with amateur-sized telescopes...
The farthest you can see in the sky with your telescope will depend on its ability to gather light and where you observe.The most distant objects visible with amateur-sized telescopes...
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