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Collimate-your-scope-with-an-Aline-iPhone-iPad-method

Collimate your scope with an Aline iPhone iPad method


Friday, November 21, 2025 by

That dirty little word we all love to hate - collimation. I’ve met plenty of astronomers who never truly learn to collimate their scopes, choosing instead to live with the subtle (and sometimes not-so-subtle) artifacts of misaligned optics. Yet collimation remains one of the most critical step...


Limiting-visual-magnitude-in-astronomy

Limiting visual magnitude in astronomy


Thursday, November 14, 2024 by

Have you ever wondered how faint of a star you can see from your observing location? Understanding limiting visual magnitude is essential for amateur astronomers. Here’s a guide to determining your visual limits, both with the unaided eye and with telescopes. Limiting visual magnitude in as...


Averted-vision-and-telescope-tapping-stargazing-techniques

Averted vision and telescope tapping stargazing techniques


Wednesday, November 6, 2024 by

Averted gaze and telescope tapping are two techniques used to see faint objects, such as nebulae, through a telescope. You might already understand how they work based on the eye's physiology. Explanation of the stargazing techniques: Averted Vision and Telescope Tapping For example, when ...


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