Quote:
Originally Posted by alpal
Thanks Mike,
Do you have any shots of a bright star such as Alnitak that you could post - just for comparison?
I have re-collimated the telescope since those Alnitak images.
I have had a look at many other images before & since the Alnitak
image & I can't find any evidence of a twisted rope like
formation - rainbow colours - from any star's diffraction spikes.
Then again - none were so bright as Alnitak.
I will revisit this during my next imaging session.
It could be normal - but it could also be that it was slightly out of focus.
cheers
Allan
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Not as bright as Alnitak but the rainbow effect is pretty obvious, how are the bright stars in
this? Looking again at your Alnitak I think it is very slightly out of focus.