Timeline for Using a refractor telescope 5" aperture, 900mm focal length for terrestrial viewing
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
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| Jul 10, 2021 at 23:54 | history | edited | uhoh | CC BY-SA 4.0 |
added 19 characters in body
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| Jan 15, 2021 at 2:53 | history | answered | uhoh | CC BY-SA 4.0 |