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Exposure: • Total Exposure 2 hours 15 minutes • 7 x 300 seconds Ha • 20 x 300 seconds of Oii • 20 Flats corrected by 20 DarkFlats • 16 x 300 seconds Darks Hardware: • Altair Hypercam 183M • Celestron 80ED Telescope • IKHAROS 0.8x Reducer/Flattener • SkyWatcher Motor Focuser • HitecAstro DC Focus Con...

ASTAP is multiplatform and there is a Windows binary here:

http://www.hnsky.org/astap.htm

At the very top click on the "ASTAP Installer" link under "MS Windows 64 bit"

A video would be awesome

I have completely stopped using DSS. I'm not sure if it's just because it's in a state of flux, but it seems completely incapable of correctly calibrating my images. I have now moved entirely to ASTAP (The Astrometic STAcking Program) for stacking -- you can get it for free from http://www.hnsky.org...

Oh wow. That's with my data? That's an incredibly beautiful image!

I really don't follow your processing steps, I think I'm going to have to go through slowly bit by bit and understand exactly what you did to make it look like that. Thank you so much for working with my data

Ok, aligned 'good' frames are here:

https://www.dropbox.com/s/zs220gmfouef3 ... d.zip?dl=1

-simon

Oh, my apologies. I am using different stacking software (DSS was having horrible trouble with my calibration frames). So I moved to ASTAP a few days ago, and it's superb. One of the only real problems with it is that it didn't align frames for composition -- it can merge three separate frames into ...

Magenta stars are a typical feature of a SHO image. Some people layer in RGB stars, others desaturate the stars, some just leave them in. A quick and easy way to desaturate them, is to put them into a mask, launch the Filter module, set Filter Mod to Fringe Killer and then keep clicking on any mage...

Ok so that's "sort of" my problem. When I get the DSO looking right, the stars are all wrong -- and vice versa. In your example the stars are very red! I guess that kind of makes sense, because the image is made up out of the same colours being representing the Ha, Oiii and Sii channels, and there's...

Hi there, So I have some data -- there's not a lot of it, a total of 9x300s Ha and Oiii and 6x300s of Sii, but enough nebulosity visible for me to combine it in a hubble-esque pallet in other software. However I can't seem to get it right in StarTools! I like the framing of the two nebula and want t...