![]() |
#1
|
|||
|
|||
![]()
Can I use a ronchi grating with my refractor using a bright star to get an
idea about my optics? |
Thread Tools | |
Display Modes | |
|
|
![]() |
||||
Thread | Thread Starter | Forum | Replies | Last Post |
Engineers test the first engine for NASA's return to flight mission | Jacques van Oene | Space Shuttle | 1 | July 19th 04 06:45 PM |
ATK Conducts Successful Full-Scale Space Shuttle Motor Test | Jacques van Oene | Space Shuttle | 0 | June 11th 04 03:53 PM |
Successful test leads way for safer Shuttle solid rocket motor | Jacques van Oene | Space Shuttle | 0 | June 11th 04 03:50 PM |
Tele Vue 76 flip-up lens cap? | Florian | Amateur Astronomy | 3 | March 1st 04 01:35 PM |
Humans, Robots Work Together To Test 'Spacewalk Squad' Concept | Ron Baalke | Space Station | 0 | July 2nd 03 04:15 PM |