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RAC

Horsehead Nebula

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I got clouded out with this one so there is only 10 subs sadly. May need to add more to it some other time.

10x10min darks @ ISO400

Modded 1000D @ -2 degC

Canon 400mm F5.6L @ f5.6

Celestron CGE mount.

CLSccd clip in filter.

Stacked in DSS and processed in PixIsight.

8184455108_f06f22a861_b.jpg

Horsehead Nebula by meg rac, on Flickr

And a crop

8184462472_a8983e0273_b.jpg

Horsehead Nebula crop by meg rac, on Flickr

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Very nice indeed :) Particularly good for so little data. I got just 6 lights the other night but not processed them yet. In view of this good result maybe I should :)

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"Who needs a telescope" when you can do wide field images like that with a simple DSLR lens :)

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Indeed Cath I really didnt realise you get such a full image of the Horsehead with just a 400mm lens. Makes me even more excited about getting a Astrotrac in the new year and getting 400mL out.

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Very nice Raymond, the colours look very natural and balanced.

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very smooth and natural and nicely processed

them 400mm L lenses sure do the business

Well done Paul

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Astonishing! I didn't realise such a level of perfection was possible with a DSLR. Did you use any kind of luminance layer? The picture looks brilliant! And as someone said, you didn't even use a telescope!

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"Who needs a telescope" when you can do wide field images like that with a simple DSLR lens :)

Fully inspired after seeing such a wonderful image, I had a look at the price of a Canon 400mm f5.6L. That will set you back about £900 so I wouldn't call it 'a simple lens' after that!

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Wow! I wish my horsehead image looked half as good as this! Very smooth and detailed with lovely colour! I can't imagine how good it would have been if you weren't clouded out:)

Edit: was the lens L-glass I take it?

Edited by starfox

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It was a satellite I think. If they are not too bad I don't bother removing them.

Yes the lens is an L lens.

Thanks everyone.

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Fully inspired after seeing such a wonderful image, I had a look at the price of a Canon 400mm f5.6L. That will set you back about £900 so I wouldn't call it 'a simple lens' after that!

Indeed, luckily i managed to pick up mine for a steal at £700 shipped from Hong Kong and they even paid the import tax. Now that was when ebay was still a place for sane people.

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How would you find the Horsehead Nebula in a reflecting telescope?

It's just below the left hand belt star (the brightest star in the above images). But don't bother wasting your time since at least a 16" scope is needed to barely detect it visually. Not knowing this, I spent many years trying to view it with a 250mm reflector on very dark, transparent nights and failed :huh: I think they should have named it the "seahorse nebula" :grin:

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100 minutes! think what it would be like with 3 hours +

Thats a fine image in its own right but dont stop! :)

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