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

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Panshell
member


Reged: 10/09/06
Posts: 21
[OR]Deep M42...
      #2125948 - 01/17/08 01:54 AM

FSQ106ED at F5 | EM-200 | STV | Canon 20d Modified | Baader UHC Filter | Exposures of 4 hours | take in HuiDong, China | 2008.1.2 |



for larger view:

http://farm3.static.flickr.com/2247/2199288592_52840482b3_o.jpg

Moderator note: forum guidelines specify a maximum display size of 800 pixels in width and a maximum file size of 100,000 bytes. You were displaying your full sized image in the forum so it needed to be edited. Since the forum does not allow me to edit your HTML I have converted the post completely to UBB code. I have edited your post by copying your full sized image, resizing it to a "legal" size and posting that in the CN photo gallery so I could link to it here. You could save a similar "legal" sized image on Flickr to acheive the same goal. If you click on your image, you will launch your flickr gallery as it seems you were intending. I changed the stand alone link to open a full sized version of your image in a new browser window. Please observe forum guidelines for image size in the future. Thanks!



Edited by Charlie Hein (01/17/08 12:57 PM)


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Fabio Papa
Pooh-Bah


Reged: 03/01/05
Posts: 1460
Loc: Piacenza, Italy
Re: [OR]Deep M42... new [Re: Panshell]
      #2125961 - 01/17/08 02:12 AM

Wow... there's nothing else that comes to mind!

Well, now that I'm thinking: what were the exposure lenghts? What prog did you use to combine it? And, finally, was your color balance thrown off by the UHC filter?

Thanks!

--------------------
Fabio Papa
Celestron C8 F/10
Vixen ED81SWT F/7.7
Orion Atlas EQ-G
Gruppo Astrofili di Piacenza


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Dave M
Post Laureate
*****

Reged: 08/03/04
Posts: 4928
Loc: N.E Ohio
Re: [OR]Deep M42... new [Re: Fabio Papa]
      #2126110 - 01/17/08 08:03 AM

Thats just an Awesome! image..
Beautiful color and detail..

--------------------
Dave
Meade 16" F4.5 EQ Starfinder
Meade 10" SCT / Losmandy G11
Tak FSQ106ED
Canon 20D
SBig ST-4
http://www.spacew.com/gallery/image006006.html
Ps 19:1 The Heavens Declare the Glory of GOD.




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Strgazr27
Vendor - Deep Space Mods and Composites
****

Reged: 10/04/04
Posts: 6984
Loc: StonyHill Observatory
Re: [OR]Deep M42... new [Re: Dave M]
      #2126279 - 01/17/08 09:44 AM

Pan,

Speechless! So smooth, so balanced. You must have some nice skies to shoot from. And EVERY time I see a shot with the 106 I want one even more!

CS's

--------------------
Bobby

StonyHill Observatory
Skywatcher EQ6 Pro (On it's way)
AT 130 F/6 Prototype
Royce 10" f/4 Astrograph (Under Construction)
Self Modded 40D
70-200 F2.8 L IS
SSAG

YAHOO TMB 130SS Group

Astronomy Technologies Yahoo Group


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soreneck
scholastic sledgehammer
*****

Reged: 04/01/06
Posts: 920
Loc: Toronto, Canada
Re: [OR]Deep M42... new [Re: Panshell]
      #2126327 - 01/17/08 10:11 AM

Among the best I've seen posted here!

--------------------
Adam

WO 110 FLT / WO 66 Triplet
QHY9 / Modified Canon 450D
SkyWatcher EQ-6 Pro
Backyard (urban) roll-off observatory
One small but fearless dog (observing companion)
my astrophotos on flickr


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Panshell
member


Reged: 10/09/06
Posts: 21
Re: [OR]Deep M42... new [Re: Fabio Papa]
      #2126383 - 01/17/08 10:46 AM

Quote:

Wow... there's nothing else that comes to mind!

Well, now that I'm thinking: what were the exposure lenghts? What prog did you use to combine it? And, finally, was your color balance thrown off by the UHC filter?

Thanks!




I shot 28 subframes in 8mins at ISO1600, and 8 subframes in 2.5mins at ISO400.

This is the first time I use IRIS to decode, preprocess, align, stack...so on

UHC did changed the color balance a bit, even after I custom color balance my camara, but color is not bad after process. UHC seems do the nice job of supressing the light pollution and enhance the contrast of the nubula.


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thelittleman
Vendor (Peter's Actions)
*****

Reged: 05/21/05
Posts: 4077
Loc: Hampshire, UK
Re: [OR]Deep M42... new [Re: Panshell]
      #2126414 - 01/17/08 11:06 AM

Wow! That is a spectacular image! VERY nice

--------------------
Clear Skies,
Peter

Photoshop Tutorials and Actions! New actions now added

Preprocessing in Iris Tutorial

http://peter-morris.magix.net/


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MartyT
professor emeritus
*****

Reged: 09/28/07
Posts: 682
Loc: Kansas City
Re: [OR]Deep M42... new [Re: thelittleman]
      #2126424 - 01/17/08 11:13 AM

Wow. Great image.

8 minutes at ISO 1600? Must have been some pretty dark skies and excellent guiding!

--------------------
Celestron CGE / C-11 (CGE-1100)
Megrez 90 FD APO / 0.8x FR/FF vIII
QHY8, 350D, DSI Pro, SPC900NC
KWIQ Guider (QHY5)
ETX-125AT
12" Lightbridge

My Astrophoto Gallery

Astronomical Society of Kansas City


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wrather1
AstroBear
*****

Reged: 10/25/05
Posts: 3880
Loc: Dallas, Texas
Re: [OR]Deep M42... new [Re: MartyT]
      #2126471 - 01/17/08 11:43 AM

Fabulous!

--------------------
"Don't worry about what telescope you own, or its quality. Just get out under the night sky, and enjoy God's wondrous universe." - T. M. Back

Meade RCX400-12 "Ursa Major"
TMB 130SS + EQ6-PRO "Ursus Polaris"
Orion ED80 "Ursa Minor", WO ZS66ED "grab-'n'-go"
EOS 30D (Hutech), ToUcam Pro, Star Shoot Autoguider, Meade DSI

North Texas Clear Sky Chart


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s58y
Postmaster


Reged: 12/12/04
Posts: 5509
Loc: Eastern NY
Re: [OR]Deep M42... new [Re: wrather1]
      #2127529 - 01/17/08 07:37 PM

Superb image of M42 -- it's amazingly smooth. I also like the subtle outer nebulosity.

--------------------
Hutech 30D, SBIG ST-402 autoguider
SV80S, TV102iis
Old camera lenses: 800mm f/5.6, 180mm f/3.4
AP900, Barndoor tracker

http://www.pbase.com/s58y


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Fabio Papa
Pooh-Bah


Reged: 03/01/05
Posts: 1460
Loc: Piacenza, Italy
Re: [OR]Deep M42... new [Re: Panshell]
      #2128346 - 01/18/08 02:27 AM

Quote:

I shot 28 subframes in 8mins at ISO1600, and 8 subframes in 2.5mins at ISO400.





Sorry to bother again, but I'm astonished by the lenght of exposure you've been able to do with the filter. Since I'm in the process of buying a filter myself, I'm curious of how effective those filters are.

So, enough chat: how long were you able to go without the UHC?

--------------------
Fabio Papa
Celestron C8 F/10
Vixen ED81SWT F/7.7
Orion Atlas EQ-G
Gruppo Astrofili di Piacenza


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Panshell
member


Reged: 10/09/06
Posts: 21
Re: [OR]Deep M42... new [Re: Fabio Papa]
      #2128366 - 01/18/08 03:01 AM

Quote:

Quote:

I shot 28 subframes in 8mins at ISO1600, and 8 subframes in 2.5mins at ISO400.





Sorry to bother again, but I'm astonished by the lenght of exposure you've been able to do with the filter. Since I'm in the process of buying a filter myself, I'm curious of how effective those filters are.

So, enough chat: how long were you able to go without the UHC?




Without the UHC I may cut the exposure time down to 1/2 or 1/3. There is little light pollution in my shotting site, so light pollution filters such as LPS and UHC is a necessity to help to bring out the fainter detail.

UHC is especially suit for shotting emission nebula rich of Ha and OIII, helping enhance contrast and s/n rate, however, at the cost of 2X or 3X of exposures time.


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Ptarmigan
Carpal Tunnel


Reged: 09/23/04
Posts: 2356
Loc: Arctic
Re: [OR]Deep M42... new [Re: Panshell]
      #2131622 - 01/19/08 03:56 PM

WOWZERS! Great image of M42. You should print it and sell it.

--------------------
Ptarmigans=Cute and Cuddly
Meade Starfinder 8
Nikon 10x50
Rebel XT


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