Crescent Nebula APP vs DSS

[vineyard]

Hello,

I caught 1h50 of acceptable data on NGC6888 last week (foolishly on one night I didn't notice the EKOS setting for images was 8bit so that was a night's data gone).

Anyway, clearly that's not a lot of data at all, but I ran it through both DSS (the first image below, best 90% of lights) & APP (second image, 100% of lights).  ABE & HT applied in PI on both & that's it.

60s lights w Evoguide50 as the imaging scope (w flattener), ASI294MCPro, Baader uhc filter, guided & mounted on an HEQ5Pro.

The difference between APP & DSS is palpable.  I've v much enjoyed using DSS as an entry into AP staying, but I think I'll be switching to APP.

(As far as the image itself is concerned, clearly a LOT more data needed (& perhaps w sharper autofocus than just a Bahtinov mask focus locked in!) before even beginning to do more processing - this was just to see the difference b/w the stacking software).

Cheers all.

[Daniel Karl]

Wow, that's quite the difference between APP and DSS - I might have to check out APP 

I happened to also aim for that little thing two nights ago - just trying to get to grips with a new setup.

These are 40 grainy minutes of 7nm HOO on an 130/6.6 triplet APO and ASI294MM. Stacked in DSS.

Ha was a bit out of focus as well, just to leave even more room for improvement as does my back focus
on the field flattener and optical alignment.

 

Edited June 9, 2021 by Daniel Karl

[vineyard]

That closer FOV is much better suited for the object @Daniel Karl - gives it more immediacy 👍🏾