Finally, the mount working, more or less, and the OTA having been outside for a while now, I felt we could go to the next step. I removed the 1¼" mirror diagonal from his telescope. I requested a more powerful eyepiece. Still hadn't see any tools (screwdriver or hex Allen key) out so to adjust the secondary mirror. And I quickly checked the collimation.
It was quite good. Not perfect mind you but good. It was so minor that I wasn't completely sure given our conditions. It could have been that the telescope was still cooling. It could have been the bad skies. It could be the infrared heat from the building wall, two metres away.
I noticed that the time was midnight. I was tired. And a little frustrated. I had a lot to do tomorrow. I suggested to Manuel that we leave it until we could get into dark skies. He was OK with that. I assured him that in the meantime he could still do stuff, the collimation was pretty good.
Thursday, September 01, 2011
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