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M31 All the way!! (20 Hours OSC)


vdb

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Yes, certainly stunning!

I am a bit curious about the apparent blue/red miss-alignment or cromatic aberration that I see when I look closer at the star field. Do you know what may cause it - the reducer? It does not spoil the overall impression and I am sorry for pixel peeping.......689355245_Skarmavbild2019-10-20kl_12_06_16.thumb.png.50cb4ae76bc805840912269c493a7227.png

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5 minutes ago, gorann said:

Yes, certainly stunning!

I am a bit curious about the apparent blue/red miss-alignment or cromatic aberration that I see when I look closer at the star field. Do you know what may cause it - the reducer? It does not spoil the overall impression and I am sorry for pixel peeping.......689355245_Skarmavbild2019-10-20kl_12_06_16.thumb.png.50cb4ae76bc805840912269c493a7227.png

You just need to stop pixel peeping, it's a full frame sensor with a reducer, the slightest focus drift or tilt will introduce this. I know it's your hobby, it was mine too some years ago 😉, I moved on.

/Yves

 

 

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4 minutes ago, vdb said:

Align channels in APP and less saturation makes the corners much better ...

48928919612_fb837249e9_c.jpgM31v3 by Yves, on Flickr

Great, that was what I was thinking - aligning the channels could fix it. I even think it increased the overall impression of the sky. However, something may now have happened to the red in the galaxy, but maybe it is just my screen.

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