rain yew
so ive managed to get 4h and 40 mins of data on M106 last night.
Stacked everything on dss and idk why i get these weird black borders without any stars in it, i dither every 3 subs and im using a canon dslr with a T ring (im sure its M42) so it has alot of vignetting i think but im not sure
compact bane
You might be stacking in "Mosaic" mode. If so, tryone of the other two. I typically use the "Intersection" mode when I use DSS, and there still is a small black boarder sometimes.
keen hinge
so ive managed to get 4h and 40 mins of data on M106 last night.
Stacked everyt...
those are stacking artifacts, resulting from the stacking program filling in the missing areas after aligning frames with different field rotations. simply cropping it is the best solution
rain yew
Ah i see
Its also tilted kinda looked like field rotation
But i was polar aligned so
Any ways i can reduce those borders?
Could more intregration or a better adapter to reduce vignetting help
compact bane
Did you try restacking like I suggested? If DSS chose a reference frame that was, as you say, rotated, much different from the rest, you will end up with a similar result to what you showed. Intersection mode eliminates that for the most part.
^-- that reference frame behavior is typical in "Standard" mode btw
rain yew
Ill try to restack
Should i select as reference the frame with the highest score right.
Or ill just try intersection
compact bane
I would try intersection first
rain yew
Alright imma try again
rain yew
Mine was set to standard btw
compact bane
here are the results i got with some of my data. my guiding/dithering isn't terrible so my standard and intersection are close
rain yew
Urs looks very thin tho mine were big
rain yew
here are the results i got with some of my data. my guiding/dithering isn't ter...
My guiding wasnt terrible either but not the best
compact bane
you may find a different sort of stacking artifact when you do intersection
rain yew
I see
Ill try stacking with the reference and using intersection
My setup is also ready to get more data on the target too
Sadly theres half moon which is kinda bright
compact bane
yeah, but at least it's already high in the sky by the time it's dark
rain yew
Yeah i could maybe get another 4 hours
rain yew
Thing is that
When i shot the horsehead
I got those thin borders
And it was half the integration time
compact bane
integration time isn't what causes it. a frame is out of alignment and that was likely used as a reference
in your black areas, you can see there are some stars there. so it's not dead space, there was a frame that fills that whole area that everything else was aligned to, but everythign else wasn't lined up the same way lol
keen hinge
Could more intregration or a better adapter to reduce vignetting help
You shouldn't worry about the black areas, no filters nor integration time will ever remove it. It is the stacking software that adds it. You can explore the settings of the software to adjust how it aligns your images.
Its not the equipement, its the processing
