Astroart Forum

Full frame focus works fine, thanks for a great new feature!!!
Here's a snap from last night, when I tried it out.

Yes, thanks Fabio - I have just installed SP2. And tonight there will be clear skies, for the first time in more than a month (this fall has been extremely misserable in Denmark)
I am looking forward to try the full frame focus feature.

Thanks for the tip Fabio - and I whish that I had read the manual. yesterday I was processing 3 x L R G B sessions and carefully duplicating points manually...

I have some challenges with my DIY flats box, so I am now relying on AstroArt's excelent gradient removal tools. I have just "discovered" the Filters ->Remove gradient -> Points function, which works better than the "automatic" methods in many cases. (perhaps AstroArt selects points within nebulosit...

Thanks for the advise, your "two stars" suggestion works fine with the above four lights. I've checked, and the "two stars" workarround works just fine: Open first fit file in the list to be stacked Select two stars Close the fit file again Start Preprocessing and use the autoalignment->two stars me...

Thanks Fabio, I will try two stars. But later, it's clear right now, so I am busy

Hi, An error occurs with the 4'th image, when I am trying to stack. What can I try to let AA7 succeed? Any parameters that I can tweak? Preprocessing: #PREPROCESSING Image=C:\Users\rbr\Dropbox\Main\astro\2019\1029\ngc7331\ngc7331_180s_004_L.fit Image=C:\Users\rbr\Dropbox\Main\astro\2019\1029\ngc7331...

I tried both the above methods, but I wasn't pleased with the result. Then I "stumbled" over a thread on stargazers lounge, can't re-find it, unfortunately, where someone mentioned, that in the case of H-alpha and O-III, one needs to create a "synthetic" green channel, by multiplying H-alpha with O-...

I found this Youtube video:
https://www.youtube.com/watch?v=bNUFobiCCIw

The trick is to use the Ha and OIII images as follows in Trichomy:
Red: Ha
Green: OIII
Blue: Ha

Thanks a lot Fabio!

Did You find out about this @Roberto ?

I am trying the same with AA7.

Great, thanks Fabio, just what I was looking for.