North American Nebula - Cygnus Wall Narrowband

[badgers]

Hi All,

I was hoping to finish testing my Altair triplet by finishing my LRGB plans for the Cygnus Wall in the North American Nebula.

Sadly weather put the kibosh on these plans and as the moon is up again (first clear night in weeks) so I went all out narrowband for the first time.

I'll definitely be back for more data, but I'm happy with how it's coming so far.

I managed 80 minutes each on SII, Ha and OII before the clouds rolled in.

I managed to make a total mess of my flats.... it was cold and it was 2am and for some reason I set the shots to 10 seconds instead of 1 second and they were totally overexposed.

I might try the flats from my next narrowband session and see if they can help as I've locked the camera rotation.

Anyway, it's my first time trying the hubble palette so any advice appreciated. I'm not sure if I pushed these too far.....

The data is very Ha heavy so the combinations look quite green initially. This is using the H-alpha as a Luminance channel with 1:1:1 SII,Ha,OIII

I also had some nice Luminance data from my aborted LRGB attempt which adds a little bit of detail but also a lot of stars and more bloat.

As a test I also tried the Bob Franke technique here:

Thanks for looking

[sologuitarist61]

Beautiful images - impossible to choose a favourite - well done

[Gina]

Splendid - really lovely

[Black Knight]

Very nice Anton

[x6gas]

Really nice job.

Adding the Lum does seem to give it more snap...

[x6gas]

By the way, what's the trick to posting lovely big images? Mine always appear at thumbnails...

[badgers]

Thanks people, I love my little refractor!

xgas, If you add images as attachments they'll always get thumb nailed I think. I use the image link button to link to either flickr or to my SGL gallery. that way you can choose the image size in advance.

[morimarty]

Considering this is your very first attempt at the hubble pallette Anton, You have done very well indeed. The third image down looks best to my eyes!!

[iksose7]

Great work on this! I personally like the second one down the most, the bloated stars look ace

[Velvet]

nice work there, maybe the last couple are a bit to far for me, but they are all good personal taste really. Well done

velvet

[badgers]

Thanks guys,

The second pair look great on my monitor at work, but look overcooked on this laptop... I need to check my calibration!

I like the first pair, even though the green cast is down to the moon washing out the SII and OII a bit.

I guess it would be nice to capture RGB too and fix the star colour with that.

As for star bloat, I'm not long enough on refractors to know exactly how to deal with it yet, or whether the bloat I'm seeing is bad or not.

Anton

[Quatermass]

Great images badger you have come along way and all that hard work is paying off. Its been wall to wall cloud in suffolk sigh

Sent from my GT-S5670 using Tapatalk 2

[Gina]

Been much the same here We had about an hour of mainly clear sky last night before all the clouds came back. I haven't had any decent imaging time for weeks and barely a couple of nights a month since May (I think). At least now with the "longer" nights if we do get a clear night there will be a nice lot of imaging time

[Coco]

fantastic.. I love this area.

[wookie1965]

Cracking images loved them.

[badgers]

I took another crack at processing this..... feels a little less pushed, but colours on narrowband seem very hard to get right.

Any thoughts ?

Regular

Franke Method

[Gina]

There probably isn't a "right" but that looks lovely

[badgers]

Agreed Gina, I think I'll stop monkeying about with this one and try and get more data instead. The Red Channel (SII) definitely needs more data.

Just need the weather to play ball now : )

[prokyon]

Stunning, I like the Bob Franke results. Great!