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Hector42 β€” M42 - redone

Published: 2006-05-16 02:59:04 +0000 UTC; Views: 4723; Favourites: 18; Downloads: 101
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Description This is based on the same image data as my older M42: The Great Orion Nebula - M42

This time I used the five H-alpha shots as red channel (epxosure: 2, 4, 8, 16, 32 minutes at f/4).
The five shots through the visual UHC-filter were taken for the green channel (exposure: 2, 4, 8, 16, 32 minutes at f/4).
The one shot without any filter is used as blue channel (exposure: 30 minutes at f/8).

I know, the colours are strange but that makes for a nice change

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Nikon FE
hypered TP 2415 film (for H-alpha and UHC shots)
Fuji Neopan 100 Acros (whithout filter but it's not sensitive to H-alpha)
modified EQ-6 mount
8 " GSO Newtonian optics (f = 800 mm) in a very stable selfmade truss tube
comacorrector
Nikon 2x Teleconverter
manually guided @ D = 60 mm, f = 900 mm through a Baader Microguide eyepiece
13 nm FWHM CCD H-alpha filter
visual UHC filter

Photoshop (aligning and cosmetics)
Registar (averaging)
Cadet (custom PSF deconvolution)
Noiseware (adaptive FFT noisefilter with built in sharpening function)
Related content
Comments: 45

tommyhawk13 [2010-01-15 01:20:29 +0000 UTC]

I thought I had commented on this a while back, hmmm.

This is fantastic. I've always been impressed with the dilligence tech-pan users possess. Thanks for posting what film is capable of.

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Hector42 In reply to tommyhawk13 [2011-05-02 07:36:22 +0000 UTC]

Ah, it's probably the fun in the physical basics of all that stuff. The fun of seeing how 3 different b/w images form a colour image etc. . And to be honest also the absence of money to buy an electronic sensor at that time lol. I won't lie, especially in astrophotography with electronic sensors you get much better signal to noise ratio with much less efford. Today the photographs of an intermediate astrophotographer easily rival the best images available 20 years ago, including the large professional observatories. But the technical pan for sure deserves a place in history.

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envoyzero [2009-03-07 21:37:15 +0000 UTC]

no, the colours rnt strange, theyre just beautiful
PS: u should work for NASA ^^

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Hector42 In reply to envoyzero [2009-12-04 09:42:07 +0000 UTC]

This answer is a bit late ...thank you for your words . I'd love to work for NASA or similar lol.

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bartekastro [2009-01-03 18:46:33 +0000 UTC]

very nice work, I'm also taking astro pics. What software can you recommend for merging several exposures?

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Hector42 In reply to bartekastro [2010-01-21 14:46:37 +0000 UTC]

Sorry for the very late answer.
Hm, that depends. Depends on how accurate you want your images to be (8bit, 16bit, 32bit) and if you are using a digital camera and took the shots in one night or if you are using film and merge different shots with different orientations. In the latter case there needs to be a corrective distortion applied, in the first case it's actually pretty ok if you use Photoshop, since there usually only need to be tiny amounts of shifting and rotating to be done.
To be honest I'm not up to date about good merging software. I use a programm called "Registar", but it's no freeware and it's also not really great. "Iris" is a freeware astroimaging software. A very good one, but also a bit strange. There is also a program called "Registaxx" That's more about video astronomy but it also can stack images. But the stacking options are not really great for non-video astronomy I think.

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Imthenats [2007-10-08 08:07:06 +0000 UTC]

Great and beautiful photograph.

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Hector42 In reply to Imthenats [2008-02-12 05:41:15 +0000 UTC]

Thank you .

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ColdDarkSilent [2006-06-21 02:56:51 +0000 UTC]


This image reminds me of back in the day when I used to stare at that one blurry spot in Orion's belt through a 3" refractor.
Very interesting process you used to capture this magnificent image.
Thnk you for sharing

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Hector42 In reply to ColdDarkSilent [2006-06-22 14:50:16 +0000 UTC]

Thank you
I used a 2.4 " refractor for guiding...but it's hard to find a guiding star because it's so dark (f/15).

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darkangel10504 [2006-05-24 22:02:08 +0000 UTC]

wow I have no idea what u just said but wow, very cool!

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Hector42 In reply to darkangel10504 [2006-05-24 23:26:20 +0000 UTC]

Thank ya...that's astrophotorapher's language...it means this image was a lot of work. Combined 11 images - total of 154 minutes of exposure (on film). Ehehe, I forgot that here are non-astronomers too on dA...maybe I should keep this in mind when writing my next description.
Thank ya again

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darkangel10504 In reply to Hector42 [2006-05-25 01:56:33 +0000 UTC]

no it's very intruiging do continue to do your writing, just a bit hard to understand the whole, thank you for taking the time to help me understand it. I love this stuff amaizing to see it on here and learn more about it!

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Hector42 In reply to darkangel10504 [2006-05-25 02:42:10 +0000 UTC]

No problem, I could spend hours just explaining such things - just ask if you want me to explain something
Yeah, dA is pretty cool, never thought that I could find astro-friends here. I even learned some things about astro imaging here . Being a Deviant and talking to other deviants all over the world is sooo cool

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darkangel10504 In reply to Hector42 [2006-05-25 03:00:18 +0000 UTC]

yesh, I agree, the very coolest. I could only dream of such talent found here.

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Hector42 In reply to darkangel10504 [2006-05-25 03:11:56 +0000 UTC]

Even talent is a learnable thing

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darkangel10504 In reply to Hector42 [2006-05-25 03:19:59 +0000 UTC]

ahh if only I possessed such talents even just a fraction...

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Hector42 In reply to darkangel10504 [2006-05-25 13:16:14 +0000 UTC]

You drawings are not that bad, much better that what I could achive
But I'll catch up ...someday...
So many astro images to process, so many things to photograph, ... and there's a real live too - somewhere ...I need the time to practice drawing

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darkangel10504 In reply to Hector42 [2006-05-25 16:45:24 +0000 UTC]

bleh my drawings are merely replicated work of others = i suck. lol not creative at all I wish I could do my own thing, but I enjoy drawing and so I'm trying to practice being better at it...catch up! so I can see what ya got!

I really love photography as well, many dif kinds. I was thinking bout getting a nice cam and giving it a shot. Cuz yes there are so many things to photograph...

only three things I find worth living...art, music...and food!

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Hector42 In reply to darkangel10504 [2006-05-25 22:28:29 +0000 UTC]

Well, I could name only one "thing", which would give my live a sense...and this ins't existing at the moment...but I guess it will again one happy day, so I try keep my head up...

About drawing: I've one work in my gallery which is a kind of copy too and at the moment (if I would find time for it...) I'm practicing my line-style through following the lines in some Anime pics. In addition to that I try to redraw some things I drew on paper, in Photoshop. Usually I don't draw o paper because I want to use my digitial tablet...maybe I could drew the sketches on paper...dunno, have to gather some more experience...
However, at the moment my focus is rather on astrophotography and macrophotography...

Here is this "copy", it's still no match for the original: [link]

Look into my scraps folder, there you can find 50 % of the things I've already drawn - just scraps and doodles - the other 50 % are deleted.

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darkangel10504 In reply to Hector42 [2006-05-25 23:13:48 +0000 UTC]

yesh keep your head up or you'll miss that happy day you so desire!!

I've got this photoshop and other software can't make any use of it lol I dunno how, I've always done my drawings the old fashion way and well I've never been interested in coloring any of them I kinda like it like that, however the way it can be colored in photoshop to give it that digital look would be fun I just don't know how so yeah lol one day!

I will have a look at our stuff and give you feed back, look forward to!

man I wish I still had all of my drawings from way back in the days I use to draw alot, specially marvel comic type stuff, but we moved around so much and well who know's how I managed to misplace.

tc *wink*

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Hector42 In reply to darkangel10504 [2006-05-26 16:59:19 +0000 UTC]

Yeah, that are the tactics...

I'm familiar with Photoshop and everything which is accociated with computers, but I don't know the tricks and the workflow which lead to - say works like Shirotsuki does. However, I'm able to regognize most of her brush strokes and what ever, when I look at her pics (or other's pics). I can disassemble most pics in my brain but I'm not able to assemble one by myself.
Hmm, yesteray I lay down to sleep but I wanted to hear music for a few more minutes...Iron Maiden, kinda sci-fi stuff, and suddenly pictures of sci-fi cityscapes came into my mind...that was cool, never saw such complex things like cityscapes!! I know, some people just draw, but I want to draw a predefined scene directly from my imagination. I really want to see the exact picture in my mind, before it's an the "canvas". So I have to train my imagination too - I wish I could zoom into my imaginative pictures to see the brushstrokes I have to do, but I can't
...yet

Hmm, what a pity that we won't see you marvel stuff here on dA...although I never read this style of comics I'm curious

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darkangel10504 In reply to Hector42 [2006-05-26 18:36:20 +0000 UTC]

OMG!! THIS U DISCRIBE about seeing something in your mind and stuff, that's exactly how I am/feel... EXACTLY!! lol you explained our lack of ability to draw whats in our mind perfectly...well at least I'm not the only one.

Some have the gift to create originals, some can replicate, some can't draw for shit... I'm glad at least I can replicate pretty damn good for the most part... Oh well it's fun no matter how hard or fustrating it can get...

yeah it sucks cuz I had a lot of, spider man, wolverine, venom, etc drawings that were really detailed and cool...

ha! thinking back just reminded me of my first drawing... the California raisins in fourth grade, I was like holy shit I can draw!! it looked as if I had traced it, I was shocked then just started to draw stuff I liked and thats just what I still do.


bah ewww elfy bah I just bah lmao, wtf ok...that's all folks!

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Hector42 In reply to darkangel10504 [2006-05-27 21:57:49 +0000 UTC]

I think replicating works is ok, on the way to learn to do originals...and to comfort you: nearly every idea one can think of was propably already thought several ten or even hundereds of years ago. The basic thoughts, "Matrix" is based on, are from the 50's sci-fi literature. Alls this stuff, "Satrgate" and whatever else is in principle rather old...

I guess this enomous amount of imaginative power, we both seek is't really necessary to draw cool things...but I want it this way
I think we've to practice...

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darkangel10504 In reply to Hector42 [2006-05-27 23:07:53 +0000 UTC]

then practice we shall!!!! I've begun, but I fuckin suck, lol. you make a lot of sense btw!!!

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Hector42 In reply to darkangel10504 [2006-05-28 16:44:57 +0000 UTC]

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quicksimon [2006-05-24 21:25:52 +0000 UTC]

what a difference processing makes!!!

Looks great looks like there is less noise, the colours look different and the core looks perfectly exposed. Well worth re-tweeking! Top work mate

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Hector42 In reply to quicksimon [2006-05-24 23:15:32 +0000 UTC]

Yes, because this time I used RegiStar for stacking and not PhotoShop. Photoshop can't do that in 16 bit mode, that's the point. But it's not as sharp as the other pic - I could have made it sharper but then it had become noisy again.
Thanks for the nice comment

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quicksimon In reply to Hector42 [2006-05-26 15:33:42 +0000 UTC]

You're welcome

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curtition [2006-05-22 14:29:46 +0000 UTC]

so so so so so beautiful it is!

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Hector42 In reply to curtition [2006-05-22 16:59:16 +0000 UTC]

It reminds me of a rose flower

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curtition In reply to Hector42 [2006-05-22 19:13:38 +0000 UTC]

yes, a flower... like no other

thanks again for bringing these gifts of extreme beauty to us

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Hector42 In reply to curtition [2006-05-22 19:24:15 +0000 UTC]

Oh my...
I'm glad you are happy about this

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Translucent-Image [2006-05-17 16:39:39 +0000 UTC]

I like it !
Very cool.
I love space stuff

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Hector42 [2006-05-16 20:50:10 +0000 UTC]

Thank you!!
Ehehe, in fact these shots weren't too lucky, there was moonlight disturbing, as well es fog and misted over lenses and mirrors. Could have been better...
You need a telescope with a parallactic mount to take such images...do you have one?

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key-stone [2006-05-16 20:14:59 +0000 UTC]

OH das ist aber wunderschΓΆn!!!
Ich mΓΆchte gern solche photos marchen.
Do hasst sehr viel GlΓΌck!!!

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Hector42 In reply to key-stone [2006-05-16 20:51:10 +0000 UTC]

Thank you!!
Ehehe, in fact these shots weren't too lucky, there was moonlight disturbing, as well es fog and misted over lenses and mirrors. Could have been better...
You need a telescope with a parallactic mount to take such images...do you have one?

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key-stone In reply to Hector42 [2006-05-16 21:14:15 +0000 UTC]

Oh no, but i'd like to have one !
Euh I would say I'd like to live there near stars.
It must be fantastic!
But, you don't need only a telescope but a nice weather without clouds.
Do you saw the eclipse?
Did you some shots?
I was so sad because in France there were too much clouds.
Hmmm but it is even so very great!
Where did you took this beautiful shot?

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Hector42 In reply to key-stone [2006-05-16 22:49:24 +0000 UTC]

Unfortunately these colorful nebulae, galaxies and stars don't look like we know them from photographs, when seeing them directly through the telescope. If you want to see them like they show up on photographs or in movies (e.g. "Contact"), while you are flying through the universe, you need eyes as big as watermelons...or even bigger
But sometimes it's great so see a star or a galaxy directly...dreaming of what may happen there...
Yes, the weather is a big problem but even in Germany or France there are nights without clouds
The real problem is the light pollution. All the lights of cities, cars, etc. brighten the sky so much that it gets brighter than the object you want to see/photograph. Then, of course, the object gets invisible.
The last eclipse happened while I was still sleeping but I didn't want to watch it anyway (and it was cloudy here, too). It wasn't a total eclipse here and sometimes I prefer some sleep to watching a partial eclipse . But I have a shot from the eclipse 1999, were I was in Turkey: 'I Can Not Hide Forever'
I took all 11 raw images in our garden, right out of a small city , northern Germany.
Your first comment is in German, this question comes a bit late but do you prefer German for our future communication?

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key-stone In reply to Hector42 [2006-05-17 05:28:45 +0000 UTC]

I've never had the occasion to see a nebula with a telescope especially the eagle nebula (it is the one that I prefer). It is so fantastic!
Ich wohnte in Wiesbaden wenn ich klein war.
Well I have to go to the university...
Have a nice day!

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Hector42 In reply to key-stone [2006-05-17 19:37:57 +0000 UTC]

Many nebulas look similar to the Eagle Nebula, there are just too few good images of these other nebulas. But of course every singel of them is unique - that's fantasic, indeed . I never saw the Eagle Nebula through my telescope , it doesn't rise very high here and the buildings are disturbing.

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Kokone [2006-05-16 07:39:36 +0000 UTC]

GReat color mix in the core but there seems to be a lot of detail gone
Maybe you should try Orion Deepfield once like [link]

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Hector42 In reply to Kokone [2006-05-16 13:42:00 +0000 UTC]

Myes, I didn't take too much care about the core this time, shame on me...
In general the detail in this image should be better, because I aligned the images more accurate and stacked them using Registar, not Photoshop. However, I kept back a bit from deconvolving the whole thing.
I know this deep field but how long do I have to expose the film with my 8 " Newton when Gendler exposed 20 h CCD using some refractros and a 12.5 " RC???
That's simply impossible with my equipment. Gimme that SBIG cam!!!

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alexandernvm [2006-05-16 03:02:58 +0000 UTC]

amazing

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Hector42 In reply to alexandernvm [2006-05-16 13:50:55 +0000 UTC]

Thank you

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