Quote:
Originally Posted by Dennis
Well Peter, you really dug that one out of the horrible Brisbane skies, truly a lovely "island galaxy floating in space".
Love the smaller BG galaxies too.
Cheers
Dennis
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Thanks Dennis. I've solved one problem but have created another. Plenty of exposure/subs but multiple nights with potentially different gradients.
Quote:
Originally Posted by Placidus
Sharp detail in the core there. Good colour too.
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Thanks M&T. NGC1365 and NGC1566 are two of my favorite galaxies.
Quote:
Originally Posted by Peter Ward
Nice. Something a little weird going on with the sky background/flats .
A good rendition just the same.
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Thanks for the feedback Peter. Do you have any tips on getting to the bottom of whether it is a flats issue? There is certainly quite a LP challenge and gradients to deal with in my location. The PI DBE background maps looked reasonable.
Quote:
Originally Posted by kosborn
Nice image! I wonder if the background is actually integrated flux nebula? I looked back at an image of the same object I did two years ago and it shows a similar background.
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Cheers. I've noticed this in a few of the galaxies I've imaged with two different sets of flats so I suspect it is a gradient/calibration issue but need to figure out a way to narrow it down.
Quote:
Originally Posted by Retrograde
Looks very good Peter - excellent resolution in the core.
I can see what peter is referring to. Although flats seem to be the most likely culprit there could perhaps be some gradients from light-pollution?
I've recently been imaging from home in Sydney & gradients seem to be ever-present.
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I'm using a flat box and Voyager to capture flats. I've tried a couple of different ADU target values but haven't managed to perfect it. I'm also using PI's WBPP script so maybe I need to switch to a manual workflow and tweak calibration settings somewhere.
Quote:
Originally Posted by strongmanmike
Overall a really nice rendition of this perennial favourite Pete..and considering it was taken from Brissie, even beter
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Thanks for the encouragement Mike. Always appreciated.
Quote:
Originally Posted by troypiggo
That's really nice mate. Such a cool galaxy that one.
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Glad you like it too Troy. Thanks mate.