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Results tagged with observational-astronomy
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user 45905
Questions about the techniques and practice of observing the night sky.
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How to choose eyepieces and other accessories for a Celestron 70mm f/5.7 portable refractor?
I have a Celestron Specialty Series Travel Scope 70mm refractor which came with 10mm (40x) and 20mm (20x) eyepieces.
Specifications:
Focal ratio: f/5.71
Optical Design: Refractor
Aperture (mm): 70 mm …
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