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Topics posted by alex_stars
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OOUK OMC-140 Mechanics, thermal properties, collimation, focuser
By alex_stars, in Discussions - Scopes / Whole setups
- 20 replies
- 1,576 views
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Precise Daytime Collimation of a Makutov-Cassegrain (projection method)
By alex_stars, in Discussions - Scopes / Whole setups
- collimation
- daytime
- (and 1 more)
- 1 reply
- 1,024 views
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- 1 reply
- 400 views
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- 21 replies
- 1,345 views
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Jupiter: Oval BA observation challenge 2022 with calculated transit times
By alex_stars, in Observing - Planetary
- 0 replies
- 463 views
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Refractor for planets, mostly visual, 4" or 5" 1 2 3 4 8
By alex_stars, in Discussions - Scopes / Whole setups
- 181 replies
- 14,769 views
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- 11 replies
- 357 views
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- 7 replies
- 769 views
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Lightweight Visual Back for a 180 Mak with Micro-Focusing
By alex_stars, in Discussions - Scopes / Whole setups
- mak180
- visual back
- (and 1 more)
- 1 reply
- 1,009 views
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HyperFlex 7E1, Seben 8-24 Zoom, BCO 18 & 10 compared
By alex_stars, in Discussions - Eyepieces
- zoom eyepiece
- orthoscopic
- (and 1 more)
- 4 replies
- 1,248 views
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- 51 replies
- 3,750 views
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- 0 replies
- 378 views