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Old 02-08-2007, 11:57 AM
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richardo (Rich)
Love reflection Nebs !

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Join Date: Aug 2006
Location: Streaky Bay
Posts: 1,070
Quote:
Originally Posted by Dr Nick View Post
Very impressive!
Thanks Nick,
stay tuned soon for the colour version.


Quote:
Originally Posted by rpsastronomy View Post
Good going richard,looks very impressive,and with a couple of galaxies to boot!
Will loook great with some colour added,so on the next couple of clear nights i expect you out there so we can see the finished result.
jolly good show old chap....cheers
Thanks Rob for the comments
As you know, this weather's a pain. But you know me, if there's the possibility of things being ok, I'll drag my carcass out and make a move towards the observatory with key in hand and faithful astro dog in tow.
But looking at the present weather pattern, don't hold your breath!
But it's all really your fault, all those expensive components for your 12.5".
We'll have ****e for years
But as I've said, this is the winter we had to have but it's still your fault..

Quote:
Originally Posted by strongmanmike View Post
That's a great grab of the Helix Rich, looks really etheral and mystical to me with good fullness and nice composition too, very well done.

Not sure on the relevance or indeed accuracy of Jase's comparison though? I think the little 6" Starfire holds its own rather well actually .

Those faint galaxies visible in your Lum are never going to show up in Halpha nor are many of the stars that help provide the depth. Since it was narrow band (Ha) and could have thus done with significantly more exposure at F7.5, there is more detail evident in the main nebula and particularly the inner tendrils in this 2Hr's of Halpha I did last year, even with only 6" of aperture .

http://upload.pbase.com/strongmanmik...86072/original

The "depth " is however more obvious in your Lum than my Halpha due to the extra stars and those galaxies and also the less defined structure in the bright regions giving it a billowing look. Lum lets in lots more energy too so signal to noise is much greater, but the fine structural detail is still greater in the Halpha.

A compilation of both is the way to go IMO and I have done this already with your Lum data and my Halpha data and the result is pretty good IMO - best of both worlds now, (havng your slightly larger FOV would have been better though)

Take a look

http://www.pbase.com/strongmanmike20...55309/original

I have also just for fun then added my rather "in ya face" full HaRGB image from last year:

http://www.pbase.com/strongmanmike20...15236/original

to our combined Lum + Ha to give an LHaRGB and it looks pretty good, although the stars are lacking a bit in colour and given the significant difference of the visibility in the the outer faint extensions these areas were hard to process to match in. Adding straight RGB or indeed an LRGB to the Lum+Ha would do the trick but I could only use what I had and this result looks pretty natural in my opinion..take a look at the result:

http://www.pbase.com/strongmanmike20...55503/original

This was using a non ideally matching data set of course and was processed on the fly. Your FOV is somewhat larger and more suited to framing the main body of the Helix so when you have your matching data sets you should be able to compile a really great colour image!

Now that I have this huge chip, your Lum and my playing around has inspired me to have another go at her myself and shoot for the extensive faint outer envelopes that exist around the Helix trippling it in size....of course, like your area seems to do to, Newcastle may not cooperate?

Hope you didn't mind too much me playing around with your data, it was certainly rather fun

Cheers

Mike
Hey there Mike,
thanks for the comments on the lum.

Jase said in his post that it was a non fair comparison, but commented any way.... that's cool, he, like you and I know, Ha will let through only H line light, muting stars and background broadband light objects where this is not present. Revealing more defined and finer Hydrogen structure within the shrouded areas that clear light can't distinguish between/ penetrate.... that's agreed by us all.... naturally of course!.

I'm sure there was no offense meant in anyway... AP refractors speak for themselves! And VB LOUDLY!
Any way, enough of this,... let's get back to what this post's about,.. my image.

I really like your Ha compilation with my Lum.... that's given definately the best of both worlds here and has got me thinking that I will go for some Ha data. In the past I've never gotten any Ha on the Helix... so will go for it. Then get the rgbs down.

Yeah, the extra lum with your Ha will mute the amount of colour data you have already some what.... but you can do a Steve Canistra Lum corrected LRGB composite routine in PS. This gives control to the colour lum/Ha blend ratio. But you'll get your own data down any way for yours...
I remember the collaboration you and Wolfgang did, that came out pretty nice for sure. The ASA/ Starfire/ SX combo.

I don't really mind you using my data as we are on a group here. And kinda fun having our first collaboration together since we always in the past years on the SX goup, seemed to go after the same objects at the same time.... Cool, Sidonio/ Bowden composite... Reckon it sounds better the other way around though LoL

Cheers, hope this weather we had to have, gets into an imagers pattern!


Quote:
Originally Posted by Garyh View Post
another fine image there Rich! with all this poor seeing you have done a fine job tightening up the stars and I love the sprinkling of faint fuzzies in the background and the fainter outer halo on the top left..
Can`t wait for the color to be added!!
cheers
Thanks for taking a peek Gaz and the comments.
Sharpened the stars up to try and get rid of the softness.

But 'goldarn' this 'goldam' weather.
Fuzzy wuzzy pus is what it's been.
I'm sure you're finding this too. I watch the crud we have, hook into the jet stream and gets sucked straight to the east coast.
Hopefully spring will break the drought and we'll be getting our bags under the eyes back again.

Maybe after this stint of cloud there'll be clear ones setting up nicely for the dark window.... but then there's DLST coming too... dam those politicians.



Quote:
Originally Posted by gbeal View Post
I'm with all the others, it is a stunner, you should be happy. I love my 10" newt for imaging as well, just don't tell everyone, the word will get out.
Thanks Gary,
Pretty happy..
Yep, like you I love this 10" newt I've put together/ built. But full credit really goes to the guys who make these amazing high precision mirrors available to us amateur astro folk.
Always loved my first Newt, and dreamed one day to get anothery...
But at that time, things were way too expensive for a top off the shelf job.
Now the gates are open for those who have a little bit of nouse with their hands........ thank goodness for these guys that make what we need!
Now I'm pretty much where I want to be, and I'm staying!
But as you said..... shshshshshsh
Cheers

Thanks all for your comments.
All the best
Rich

Last edited by richardo; 02-08-2007 at 12:12 PM.
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