NGC 2403 in Camelopardalis

[Petervde]

NGC 2403 in Camelopardalis with 24 subs of 5 minutes each, Atik 16HR and WO 11cm f/6.5 apo.

Peter

[Aza]

Nice one Peter. This is a hard target to get the outer arms showing.

You have done well if you shot this with the moon!

Also not one that is not shown on here too often.

[ngc2403]

nice shot,

though it's an interesting OTA you were using, one i would very much like to have in the future

[Aza]

Thought you would like it

[Sam]

Nice image Peter - it's a tough target but you've managed to get the outer arms.

[Petervde]

Thanks for your comments, guys !

The William Optics 11cm f/6.5 triplet SD apo is a joy to use. It has the TEC oil-spaced triplet lens which provides superb images.

Peter

[661-pete]

Excellent result - and in the moonlight too (comparing with my modest recent attempt - without moon - on the same subject )! Have you thought of adding some colour for a real show-stopper?

[steppenwolf]

This is excellent and by no means an easy target either!

[glennbech]

A very interesting choice of target. I'd love to try it sometime. I'll add it to my list of targets to visit with my 200mm newtonian on a clear, moonless night. ;-)

Interesting scope as well! I love my Megrez 90, although not in the same league...

[rich_t]

That's come out really well, didn't realise how difficult this was until I tried it.

Rich.

[Petervde]

Excellent result - and in the moonlight too (comparing with my modest recent attempt - without moon - on the same subject )! Have you thought of adding some colour for a real show-stopper?

I did make the necessary frames for R, G and B but I was unable to combine them since the R-frames seem to have rotated in relation to the L, G and B frames. I thought I could solve this by using the 'move' and 'transform' tools in Photoshop but it didn't work for me. Still looking for a good solution though...

Peter

[661-pete]

ImagesPlus I know will rotate (and if necessary re-scale) frames during alignment. I'm not sure whether Noel Carboni's Astronomy Tools do a similar function. Neither of these are free software I'm afraid (Noels are considerably cheaper!). Rotation between frames seems to be a common problem especially if not using a filter wheel, there was another thread on this topic recently.

If you'd like me to have a go with ImagesPlus, and if you can attach your frames to an E-mail, drop me a PM. Not promising anything though!

[Aza]

Deep Sky Stacker can get those frames aligned for you at no cost