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(M31)
I started out at 3200 ISO at 10 seconds, there was no noticable trailing and could see M31. Then I started doing 1600 ISO and 30 seconds and still no real trailing (it seemed). Then I went 800 ISO and stepped up to 1 minute and then on trailing I could see trailing (looked like an upside-down L rotated 90 deg to left with bold short piece and longer, but thinner back, like a chair). And I wondered if that was from mirror shake because I believe I didn't do any touching of the thing while I was taking the photo. I could post a photo of it, but would have to reduce it and convert from RAW. Also after analyzing the first other photos (at 3200 and 1600 ISO) they too had a little trailing, but not that L shaped thing. These were arcs instead.
PS: My setup still isn't permanent. That is, in that I still whether it's my LX200 or my Starfinder mount (which is what I used this time) I will still take it down at the end of the session and it wastes my polar alignment, which only amounts to me roughly gun-siting it to Polaris (which is of course really rought).
PPS: Does someone here know of a way to delay the exposure (mirror lock) on a Canon Rebel EOS T2i to avoid this mirror shake?
Does someone here have any suggestions other that the one I have, to try to have enough money for an observatory (with concrete and things more permanent)?
I mean like, I was talking with my mom about it and I think she joked about I could sell my car. That's one possibilty, because there's the 3 of us (mom, dad and I) and we each have a car. My dad's actually going on 91. But has a car and I could drive that one. Mine's kind of neat and all (car, Ford Focus) so it would probably more than cover all the costs of my observatory. And/or could get a loan.
What are some suggestions?
Thank you.
David
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