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  4. » Experiment Rosette Nebula in Bicolor False

 
Experiment Rosette Nebula in Bicolor False...

Deep Sky 2

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avatarsupporter
sent on December 07, 2015 (20:38) | This comment has been automatically translated (show/hide original)

A strong premise and hopefully clear: this is an experiment, a testimony to what can be done in astro nights of madness caused by the lack of fresh material to work !!!

Basically, I asked myself, what can happen if we apply the methodology of Steve biocolor Cannistra two photographs taken both in h-alpha, but in time and with totally different techniques?

Obviously to proceed serve two photos of the same object with linear size relatively similar. Even if by design it so happens that I have photos of the Rosette nebula made 15 years apart that are suitable for the purpose :-)

The first is relatively recent and dates back to 2013 carried out following the current digital methods, the second is 1998 (a magical night (you remember anything G2F> Monte Zugna (TN) 18/12/1998
Takahashi EM200
Canon F1
Takahashi FS128 af / 6
filter has Lumicon
film hypersensitized Tp2415
exposure of 80 '




www.marziobambini.it/images/photo/a_0011.jpg

I assume that the first photos I attribute the channel (first line of hydrogen), taking also correct according to the classical measure methods, and therefore henceforth call rosette-has. I will use this channel for the formation of the red channel of the output image.

Photo 2 instead to attribute "arbitrarily" channel oiii (third line oxygen), and the call-rosette oiii. I will use this channel to the blue channel of the output image.

Unfortunately the two photos are of the same size and orientation, and then proceed (with PixInsight) the overlapping of two photos in order to obtain a new rosette-oiii. In doing this, unfortunately, the field of view is greatly reduced, I no longer have the classic 2x3 rectangle and this esthete I regret a little ', we are we to make an immediate reason :-)

Well now I have available rosette-ha (red channel) and rosette-oiii (blue channel).

I proceed to create the green channel by the multiplication of rosette-has rosette-oiii. Now I also rosette-green.

The game is almost done, now proceed to mergechannels in a single picture according to a modulation of weights that leaves space for inspiration subjective. In the specific case I took 100% of the red channel, 140% of green and 150% of the blue. Accounting for taste ...

I apologize for spelling errors that surely I've done ... and dig in with the criticism please !!!!!

Hello! -D: -D: -D: -D: -D

avatarsupporter
sent on December 07, 2015 (20:52) | This comment has been automatically translated (show/hide original)

well, actually it has a strange effect of old and new, like sending an email to joseph green -D seem the stars and the rest technological oldest, but it is clear and pure artistic ;-)

avatarsupporter
sent on December 07, 2015 (21:00) | This comment has been automatically translated (show/hide original)

I really like, and also the comments of Sergio ... however good Marzio, brilliant.

avatarsupporter
sent on December 07, 2015 (21:07) | This comment has been automatically translated (show/hide original)

Heck that memories :) I took the 2415 ipersen. In formin gas optics Deneb
Collecchio
It was used to eliminate the defect of reciprocity on long exposures .....
You make me feel old Marzio: /

avatarsupporter
sent on December 07, 2015 (21:12) | This comment has been automatically translated (show/hide original)

All nice! -D

Canopus, you know that I took the first tp2415 treated by Zinelli?
I just slipped by chance on your pages from a beautiful portrait, absolutely beautiful.
I must compliment you, all you wonderful pages: -D
Old from .... from.

Luke, Sergio, you are the usual Gentiloni I did not shoot to zero !!! By no joke.
As I said it is an experiment dictated by the boredom of not being able to go to the mountains.

Thank you all: -D

avatarjunior
sent on December 07, 2015 (21:59) | This comment has been automatically translated (show/hide original)

alienating, embossed wow!

avatarsupporter
sent on December 07, 2015 (22:22) | This comment has been automatically translated (show/hide original)

It states that for me, dear Marzio, you wrote your introduction in turkish or, perhaps, in Farsi and, therefore, I did not understand a damn thing!
But I like the photo because it amazes me, impress me, fascinates me! I believe that you, astrophotography, be at the bottom of the great "romantic" and I admire you for that too!
For this reason I say good (although I have not in the least understood the scope of your experiment!).
Marzio Hello!

Maximum :-)

avatarsupporter
sent on December 07, 2015 (22:47) | This comment has been automatically translated (show/hide original)

Elviro swear I did not want !!! :-P

Massimo, the experiment is a small thing, just to play with pixels, but I think you said something quite true speaking of "romantic". :-P

Thank you all: -D

avatarjunior
sent on December 07, 2015 (23:26) | This comment has been automatically translated (show/hide original)

Every time I see her, I think of the sky almost perfect, one of the best memories of exits made together!
You deserve the "I like x 10" for the original idea .....
An experiment to refine and work on, good Marzio.

avatarsenior
sent on December 08, 2015 (0:37) | This comment has been automatically translated (show/hide original)

Fantastic! wow!
It 'came out a nice job ... :)

avatarsenior
sent on December 08, 2015 (1:18) | This comment has been automatically translated (show/hide original)

In summary you made photographic alchemy with IP -D and were you surprised you too from what came out: -D

avatarsupporter
sent on December 08, 2015 (9:34) | This comment has been automatically translated (show/hide original)

John True, you can work, but recovering in the two channels as I did: -D
Excuse but when will we see your photos? ;-)

avatarsupporter
sent on December 08, 2015 (9:35) | This comment has been automatically translated (show/hide original)

El145, it is by not bad, thank you! -D

avatarsupporter
sent on December 08, 2015 (9:37) | This comment has been automatically translated (show/hide original)

Beppe exact, it went like this.
Let's say that may be a test case for dealing with actually shooting pictures in the two channels Ha and OIII :-P

avatarsupporter
sent on December 08, 2015 (9:51) | This comment has been automatically translated (show/hide original)

I do not know the gender and admit of having understood little -D, but the result is graphically pleasing.
Congratulations, hello,

avatarsupporter
sent on December 08, 2015 (11:23) | This comment has been automatically translated (show/hide original)

Catherine pleasure to have you in these pages :-P
Just the fact that the experiment is served to interest photographers of your caliber to me is a success.
There is nothing scentifico, a few patches of color here and there: -D
Thank you, bye :-)

avatarjunior
sent on December 08, 2015 (12:35) | This comment has been automatically translated (show/hide original)

"Sorry, but when will we see your photos? ;-)"
When they are at least presentable ....... the bar of decency is still high .....
Hello Marzio: -D: -D

avatarjunior
sent on December 08, 2015 (17:13) | This comment has been automatically translated (show/hide original)

I'm slowly getting closer to this genre, yet so much study and many tests. For how little I can understand I think it is an image of strong impact and, despite the personal interpretation of the colors I find it very enjoyable. Then the fact of integrating the two images, one digital and one film at a distance of 15 years (that for photography are light years), and to obtain such a result, I find spettacolare.Complimenti

avatarsupporter
sent on December 08, 2015 (20:27) | This comment has been automatically translated (show/hide original)

Augustus I thank you for the compliments, and I hope to soon see your work :-)

avatarsenior
sent on December 08, 2015 (22:51) | This comment has been automatically translated (show/hide original)

Very different than usual but very nice !! Marzio great !!


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