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Topics posted by jimao22
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- 2 replies
- 362 views
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- 4 replies
- 855 views
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- 0 replies
- 568 views
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- 3 replies
- 845 views
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- 0 replies
- 209 views
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- 0 replies
- 232 views
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Small film with a comet (C/2017 T2 Panstarrs)
By jimao22, in Imaging - Widefield, Special Events and Comets
- 0 replies
- 433 views
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- 20 replies
- 3,613 views
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Occultation of trans-neptunian asteroid Huya
By jimao22, in Imaging - Widefield, Special Events and Comets
- occultation
- asteroids
- (and 2 more)
- 16 replies
- 1,409 views
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- 133 replies
- 21,843 views
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A micro-observatory remote controlled (for transient events)
By jimao22, in DIY Observatories
- ror observatory
- arduino controlled
- (and 1 more)
- 5 replies
- 1,069 views
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- 14 replies
- 1,249 views
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- 0 replies
- 275 views
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- 1 reply
- 368 views
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- 3 replies
- 1,471 views
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- 39 replies
- 4,756 views
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- 9 replies
- 1,229 views
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- 6 replies
- 685 views
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- 4 replies
- 748 views
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How can I determine the focal length of a Cass?
By jimao22, in Discussions - Scopes / Whole setups
- cassegrain
- cass
- (and 1 more)
- 9 replies
- 1,198 views
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- 10 replies
- 1,613 views
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- 3 replies
- 1,034 views
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- 9 replies
- 1,232 views
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- 4 replies
- 815 views
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- 5 replies
- 737 views