Hi All,
I took this image last night, only managed 3x5min subs before the clouds came in.
No darks , flats or bias- processed in Nebulosity with a slight tweak in PS
Es 80, atik 383c,ccd temp -4.7, 50mm guidescope, ssag
Mainly i was just testing my alignment with the advice i received in another thread, (Alignment help ). Thanks to those who gave advice the phd graph was great, showing about 4-6 arc seconds adjustment. This is the first time i have achieved anywhere near a good polar alignment. My 1st image using an equatorial setup, the others (3) were with alt-az with 10-15sec exposures. Due to the small window i have where i live in a suburb in Darwin i am not able to use Alignmaster, drift etc so i am happy with this, i am trying to get my head around this so i don't waste any time when i get to a dark site.
My main question is could any body please explain why the image is blurry, egg shaped stars, on the left of the image whilst the right side appears ok. Is it the image train, do i need flatterer (although i would have thought i would have egg stars in the periphery of the image)
Secondly any thoughts on how to further process this, most of the images of eta are reddish, how do i bring this out
George