Last run after Orion Great Nebula without mount ! (Ewam)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Great Nebula in Orion · M 42 · M 43 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri

Last run after Orion Great Nebula without mount !, Ewam

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Last run after Orion Great Nebula without mount !

VERSION D : same session latter on, iso set at 16000, 20 frames staged ; cleaner version, less artifacts and better pinpoint stars, with maybe little less details in the nebula itself, possibly due to more air turbulence - what do you think ?

VERSION C : adding 2 frames, correcting misalignment, adding more tweaking to get the best possible balance between the many factors into account ; after this only a flat frame could improve the quality of this session.

So... This past night I planned to check out one last time what can come out of the simplest of set-ups : a Nikon D750 with 300mm on a tripod, just shooting and staging frames at very high iso (12800). First try, I miss-aligned one out of 22 frames (I did it again!) but the goal here is really more of a technical nature... and I'm quite pleased with this picture. Just a bunch of 1.3 second frames and here we go.

VERSION B : interesting to notice how on Astrotools (here a screen capture, mow res'), the micro-contrasts work better than on Nebulosity 3.1 !

Next week I'll start to learn how to use a 10 micron GM1000 monster...

Original
B
C
Final
D

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Last run after Orion Great Nebula without mount !

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Last run after Orion Great Nebula without mount !

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