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Marco. If you are using the PI DSLR workflow it is outdated, and frankly, poorly informed, at the time of writing. It was perhaps a step in the right direction. I suggest adopting a different workflow to get the best out of your data, aside from any acquisition errors, which are somewhat fixed, unl...

Hi Ivo,

here a stack without darks bias and Flats.
looks to me that even if the flats were helping with the vignetting,they were also causing lots of problems.
Or could have been the darks and bias to cause the problems?

https://drive.google.com/file/d/0B6oGP3 ... sp=sharing

I just went back and checked the flats....... oops...... :oops: some flats that where not good found their way in the PI stack :oops: Thaose flats where taken with the T-shirt method holding a light before the canon lense, and in few of them the light was not really evenly illuminating the sensor......

Hi Ivo, I succeded to do a stack and integration in PI. 2 versions: This one made with PI BatchProcessing script: https://drive.google.com/file/d/0B6oGP3erdtizYkZUQXpTOFJYeE0/view?usp=sharing And this one made by manually doing all the steps in PI https://drive.google.com/file/d/0B6oGP3erdtizWC1ha3Z...

admin wrote:.......

Have you tried stacking this in PixInsight?.....

Hi Ivo,
Not yet still trying to get hold on PI way of doing things....
I am putting this images in the to-do list
will revert as I have results.

Hi Marco, The Rosette is recognisable, though I'm wondering if more can be teaed out of the data. Any chance you could share the data with me? Hi Ivo, Sorry for the delay, but I missed you post... no problem sharing the data :-) here the link https://drive.google.com/file/d/0B6oGP3erdtizR1pzVkRTeU1...

Hi Starry eyes,
Thanks for taking the time to write the info, much appreciated!
But the procedure you describe is the one I use as well, to be sure I mark the comet in each frame

I will just try again with more frames.....

The Rosette nebula 5000 light year distance Taken with my modded EOS1100D with canon zoom lens 55/250 mounted on an iOptron skytracker V2 with Triton tripod and ball head . It is only 54 minutes of 120sec lights ISO 1600 f 6.3 with the lens at 250mm 13 flats and 35bias Imaged and focused with APT St...

Hi Ivo, Yes I stacked the raw :-) I have tried different DSS settings, the one posted was a median, in superpixel modus. I am still trying all the other combinations, but for the moment no joy :( It could be as Starry Eyes suggest that I'm pushing my luck at f7 with the moon, and local LP (I'm in re...

Good day Ivo, I have been taking in the last few days different sets of light frames of comet Lovejoy. All sets are of about 10 -15 frames each at ISO 1600. I have 60 sec, 120 sec sets and a few frames at 240 sec All frames taken with modded EOS1100D trough my Meade LS6" reduced at about f7 and guid...