Tarantul

[Nino (John Peacock)]

Here is my image of NGC2070 taken on January 2nd, Meade 10 inch LX200 ACF fork mounted. ZWO ASI 1600 mm pro I won at qld astrofest (Thanks Bintel). 5 images at 15 seconds stacked in Registax and post processing in photoshop. I have a lot to learn so any hints or tips will be greatly appreciated.

[xelasnave]

You are doing well John.
Do you have a focuser mask?
Just take more and stack more.
Thanks for sharing.
Alex

[RyanJones]

Great work John.
More subs will clean up the noise ( graininess ) so as Alex suggested, take more and stack more.
Great effort.

[Nino (John Peacock)]

Thanks for your comment, I have a batinov (spelling)Mask.

Originally Posted by xelasnave

You are doing well John.
Do you have a focuser mask?
Just take more and stack more.
Thanks for sharing.
Alex

[Nino (John Peacock)]

Thanks Ryan, I in fact took 100 images at 15 seconds each If I stack more then 15 I get rotation on the outer stars. Not sure how to sort that problem out,it was suggested that I use Deep Sky Stacker but just to stack the images takes so much time, like 10 shots about 3 hours. My computer is not that old that it should takes that long. Cheers John

Originally Posted by RyanJones

Great work John.
More subs will clean up the noise ( graininess ) so as Alex suggested, take more and stack more.
Great effort.

[gb44 (Glenn)]

John,
I have only used a GEM but image processing with ImagesPlus software includes rotation in the stacking process, plus it would only take a few minutes to fully calibrate and stack those images.
That ought to remove field rotation...

Looks like there was an issue with focussing. Check that the focusser is locked up and that focus doesnt shift during lock up too.

Good start.
GlennB

[Nino (John Peacock)]

Thanks for the tips Glenn, I will have another go in a night or two if it is clear that is.

Originally Posted by gb44

John,
I have only used a GEM but image processing with ImagesPlus software includes rotation in the stacking process, plus it would only take a few minutes to fully calibrate and stack those images.
That ought to remove field rotation...

Looks like there was an issue with focussing. Check that the focusser is locked up and that focus doesnt shift during lock up too.

Good start.
GlennB