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Old 29-12-2009, 10:58 PM
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dugnsuz (Doug)
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Horsehead in Ha Widefield (300mm f4)

Hi all...
Orion has poked it's head over shed and trees - so, here's my first go at the Horsehead.

Canon 40D Modded
Canon 300mm f4L @ f4, iso1600
HEQ5 Pro
17x15min subs

Will probably add more data later (RGB and OIII??)

High Res...
http://s327.photobucket.com/albums/k...urrent=12a.jpg
Cheers
Dougski
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  #2  
Old 29-12-2009, 11:20 PM
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Top shot Doug! Looking really nice.. Great field of view!
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Old 29-12-2009, 11:25 PM
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dugnsuz (Doug)
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Thanks Alex - I'm such a sad ass waiting around for the first comment!!!
But, Cheers
Doug
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Old 29-12-2009, 11:31 PM
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Very nice Doug. I just love to see this region in Ha.
Glad Orion is visible again without you having had to resort to chain saws too.....
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Old 29-12-2009, 11:37 PM
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Originally Posted by dugnsuz View Post
Thanks Alex - I'm such a sad ass waiting around for the first comment!!!
But, Cheers
Doug

Lol - I do it all the time.. More so when I'm particularly proud of what I've posted!
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Old 29-12-2009, 11:43 PM
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dugnsuz (Doug)
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Very nice Doug. I just love to see this region in Ha.
Glad Orion is visible again without you having had to resort to chain saws too.....
Thanks Rob - if I wanted to image everything on my wish list, the neighbours on either side would look like bomb sites - have to pick my imaging moments so to speak.

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Lol - I do it all the time.. More so when I'm particularly proud of what I've posted!
"..he knows me so well!!!"
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Old 29-12-2009, 11:59 PM
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Octane (Humayun)
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Doug,

Maaaaate, that is gorgeous.

But, one criticism: my personal preference would have been to compose the horsey a little further down, in order to grab all of that curtainous region.

Can you tell me what you're using as a hydrogen alpha filter? I'd like to also get one for my 40D. Are they available in differing wavelengths?

Cheers, mate. Keep up the great work.

Regards,
Humayun
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Old 30-12-2009, 12:28 AM
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That's a beauty Dougski. A great view of the Horsey. Some great detail showing.

More data please! I'd love to see a coloured version.

Great stuff.
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Old 30-12-2009, 12:29 AM
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Cheers H,
Astronomik 12nm Ha EOS clip in filter...I believe they do a 5 or 6nm version too, but lots more $$$! I think 12nm is the sweet spot for DSLRs though.
Cheers
Doug
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Old 30-12-2009, 12:32 AM
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Octane (Humayun)
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Doug,

Thanks so much for the information.

Any local retailers and cost? Or, did you go through OPT or the like?

Regards,
Humayun
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Old 30-12-2009, 12:38 AM
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Doug,

Thanks so much for the information.

Any local retailers and cost? Or, did you go through OPT or the like?

Regards,
Humayun
Bought both Ha and OIII 12nm filters through OPT - cheapest way by far.
Doug
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  #12  
Old 30-12-2009, 12:41 AM
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ps...they also do SII and H Beta EOS clip in filters, but unsure how usefull they would be for DSLR work??
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  #13  
Old 30-12-2009, 01:00 AM
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Quote:
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That's a beauty Dougski. A great view of the Horsey. Some great detail showing.

More data please! I'd love to see a coloured version.

Great stuff.
Hope to get some RGB data soon, but got to admit that this region in Ha does it for me!
Doug
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Old 30-12-2009, 01:03 AM
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I agree doug, Ha shots of the horse to me almost always seem more pleasing than RGB or HaRGB its nice to see colour from time to time, Shots like Phils recent LRGB wide field are nice, but Ha really brings out the dramatic nature of the target, where as the dramatic nature and finer detail get lost in colour..
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Old 30-12-2009, 01:17 AM
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Yeh top shot Doug and I agree B&W (Lum or Ha) looks great on this region .

I see what Humi is saying too about the framing but if you can take some long (like a few hours!) luminance or in your case colour (DSLR) I think you will fill in that lower dusty half really well and this should better balance out your high placement of the horsey ridge..?

Mike
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Old 30-12-2009, 01:29 AM
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Thanks for the tips Gents - will take all this on board...ta!! But I thought I had the Horsey itself placed centre stage
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Old 30-12-2009, 01:49 AM
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That's some handy work there Doug. MEGA long subs! You've really got that DSLR crankin

Michael
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  #18  
Old 30-12-2009, 02:07 AM
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Quote:
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That's some handy work there Doug. MEGA long subs! You've really got that DSLR crankin

Michael
Cheers Michael - in this weather the 40D certainly is cooking!!! A Central DS cooling mod still looks the go!
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Old 30-12-2009, 09:37 AM
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Quote:
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... MEGA long subs!

Michael
On closer inspection there's a fair bit of star elongation on the right hand side of the pic - hadn't noticed them in my rush to bring out the detail in the nebula itself! Might have to go back and pixel-peep each sub more critically I think.
Doug
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  #20  
Old 30-12-2009, 10:49 AM
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Lovely image Doug, lots of detail. This will be a nice image to add too. The final work should be worth the wait. I love the image scale, it really puts the HH out in space.
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