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Astrophotography and Sketching >> DSLR & Digital Camera Astro Imaging & Processing

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srosenfraz
Post Laureate
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Reged: 03/06/11

Loc: United States
Orion Constellation - the Jewel of the Winter Sky
      #5561333 - 12/08/12 06:52 PM

Probably the most recognizable constellation in the winter sky, Orion contains a collection of famous and prominent deep sky objects. In this image, M42, the Great Nebula in Orion, is at the bottom of Orion's Sword (right side of image). The emission nebula, M43, is immediately to the left of M42 with the blue Running Man reflection nebula left of M43. Extending below Orion's belt (towards the right) is a red hydrogen nebula (IC 434) which has dark dust blocking its light to form the Horsehead Nebula (Barnard 33). Below Orion's belt is the peach colored emission nebula known as the Flame Nebula (NGC 2024). At the top right is the blue Witch Head Nebula (IC 2118), which shines by reflecting light from nearby Rigel. The large red semicircle on the bottom of the image is the faint emission nebula Barnard's Loop. The red nebula at the far left forming Orion's head is the Lambda Orionis Ring (Sh2-264):





High Resolution Version and more image information available at http://www.astronomersdoitinthedark.com/index.php?c=159&p=472


This is my first image where I successfully blended RGB and Ha data and it turned out to be quite a learning experience. The image is a 50mm widefield image using an Olympus f/1.8 50mm prime lens at f/4, Baader modified Canon 450D piggybacked on my C-8 and Schaefer mount. The image is made from stacks of 147 x 3 minute RGB subs (7 1/3 hours) and 18 x 10 minute Ha subs (3 hours) using an Astronomik 6nm Ha clip filter. Guiding was with an ONAG On-axis Guider, Lodestar autoguider, and Phd Guiding.

Thanks for looking!


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Greg K.Administrator

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Reged: 12/11/03

Loc: Clifton Park, NY
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: srosenfraz]
      #5561358 - 12/08/12 07:10 PM

Beautiful!

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bouffetout
scholastic sledgehammer


Reged: 11/21/12

Loc: Canada
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: Greg K.]
      #5561367 - 12/08/12 07:17 PM

Awesome ,we even see the horse head !! Congrats !

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Toxic Coolaid
professor emeritus


Reged: 10/01/11

Loc: NorthEast Tennessee
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: bouffetout]
      #5561389 - 12/08/12 07:32 PM

Love it! That is AWESOME!!! I made an attempt at that same shot....guess I need to keep trying

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snowcrow
sage


Reged: 10/21/12

Loc: Vermont
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: Toxic Coolaid]
      #5561446 - 12/08/12 08:26 PM

WOW...that is awesome!!!

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petemumbower
Carpal Tunnel


Reged: 07/12/09

Loc: West Michigan
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: snowcrow]
      #5561614 - 12/08/12 10:35 PM

Wonderful image Scott! I am assuming you are using an adapter for the Olympus to Canon body? How did you focus?

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Nils_Lars
Postmaster
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Reged: 01/04/08

Loc: Santa Cruz Mountains , CA
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: petemumbower]
      #5561805 - 12/09/12 01:49 AM

That lens worked out great Scott , it gives the perfect FOV and you pulled

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Nils_Lars
Postmaster
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Reged: 01/04/08

Loc: Santa Cruz Mountains , CA
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: petemumbower]
      #5561806 - 12/09/12 01:50 AM

That lens worked out great Scott , it gives the perfect FOV and you pulled some deep details on a classic region

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mmalik
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Reged: 01/13/12

Loc: USA
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: srosenfraz]
      #5561965 - 12/09/12 08:03 AM

That's nice looking wide FOV; first time I have noticed the big halo. Thx

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waassaabee
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Reged: 11/26/07

Loc: Central California Coast
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: mmalik]
      #5562091 - 12/09/12 09:51 AM

Totally groovy shot Scott!! Cr69 really pops (one of my favorites), and you almost snuck all of the Witch's Head in the frame too. You maintained excellent color balance with the Ha blend too..
Very nice work, thanks for sharing.


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mrturtle
sage


Reged: 08/06/10

Re: Orion Constellation - the Jewel of the Winter Sky new [Re: waassaabee]
      #5562244 - 12/09/12 11:23 AM

We're (at least me!!!) are not worthy!!! Fricken beautiful!!!

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Maverick199
Postmaster
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Reged: 02/27/11

Loc: India
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: mrturtle]
      #5562270 - 12/09/12 11:35 AM

Amazing!

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ghataa
professor emeritus


Reged: 06/20/11

Loc: Central, NJ
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: Maverick199]
      #5562346 - 12/09/12 12:21 PM

Fantastic!!

George


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Skyshooter
professor emeritus


Reged: 04/07/08

Loc: S. Utah, U.S.A.
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: ghataa]
      #5562571 - 12/09/12 02:32 PM

Awesome image Scott. Makes me wish I had a decent 50mm. Unfortuantely I have only the kit lens. Great choice for this time of the year.

Cheers,
Ed


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bluedandelion
Carpal Tunnel
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Reged: 08/17/07

Loc: Hazy Hollow, Western WA
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: Skyshooter]
      #5562585 - 12/09/12 02:42 PM

Wow, Scott! That is a wonderful image.

Ajay


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David Ault
sage


Reged: 09/25/10

Loc: Georgetown, TX
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: bluedandelion]
      #5562672 - 12/09/12 03:42 PM

Just amazing. I love being able to see all these object in the same frame. Thanks for sharing!

Regards,
David


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j.w.white
sage


Reged: 07/18/09

Re: Orion Constellation - the Jewel of the Winter Sky new [Re: David Ault]
      #5562885 - 12/09/12 06:10 PM

That's an amazing shot Scott! So what do you think of the ONAG? It seems to play very well with a DSLR!

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WhitenerJ
professor emeritus


Reged: 02/06/12

Loc: Waxahachie, Texas
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: j.w.white]
      #5562929 - 12/09/12 06:35 PM

Absolutely amazing!!! Great wide field. Super!!!

Jason


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srosenfraz
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Reged: 03/06/11

Loc: United States
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: WhitenerJ]
      #5563021 - 12/09/12 07:28 PM

Thank you so much everybody for your very kind comments. I hadn't had much success with widefields, as I was trying to use some of old Olympus zoom lenses. They worked great in the film days, but they just don't have the optical quality that digital imaging requires. I can't tell you how many times I overlooked the old Olympus Zuiko 50mm without thinking of its potential for AP. Now I have a whole new list of fields to image!

@Pete - yes, I used the Fotodiox adapter. For focusing, I used Images Plus' focusing (where it snaps a sub every few seconds). I focused at f/1.8 (where the lens has less depth of field) and then stopped it down to f/4 when imaging. This helped to ensure sharp focus (increased depth of field). It was a bit tricky to focus because there's no fine adjustment on the lens, and I didn't have anything to adapt a Robofocus or other fine focuser to the lens. Focusing the Ha was even more fun - a 6nm filter doesn't make for a very bright image.

@Gary - you forced me to learn something today. I didn't even realize that there was a cluster at Orion's head. So now I know that is a cluster and its named Collinder 69 - thanks for the education!

@John - the ONAG is great. It obviously wasn't critical for this shot, but it makes prime focus imaging a breeze - guiding through the primary optics while finding bright guide stars is easy. Its not cheap, but I think it was one of my best astrophotography upgrades.

Thanks again everyone.


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MarPiw
super member


Reged: 09/30/11

Loc: South of Poland
Re: Orion Constellation - the Jewel of the Winter Sky new [Re: srosenfraz]
      #5563680 - 12/10/12 07:48 AM

Great job Scott! Beautiful "Orion smile"

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