Quote:
Originally Posted by alpal
Yes Peter,
1) Yes - the shutter in the camera could be modified - to have an external control or another shutter could be fitted.
2) If you wanted say a 300 second exposure & there was a bit of wind around you could set a 400 second exposure but download it when only 300 total seconds had expired.
That would give you up top to 100 seconds where the shutter could be closed.
It would be nice if it was all automatic - that's where the software writers like PHD could help.
Why isn't this done already?
I think it's such a good idea -
you could also have the shutter closed whenever the guide graph passed a pre-set limit.
cheers
Allan
|
While a good idea in theory, its application would be limited I think. If you are imaging broadband data, say luminance, by the time your guider has picked up that the star has exceeded the tolerance the frame is already smeared. If you were aiming to get the sharpest data, the aim would be to not have the star go outside your tolerance in the first place.