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

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weatherandsky
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Reged: 12/27/06
Posts: 1848
Loc: Ontario, Canada
Rosette Nebula with unmodded 40D
      #2217258 - 02/25/08 09:06 AM Attachment (259 downloads)

I was almost going to skip the Rosette (NGC2244) this year because I've been finding the HA targets somewhat tedious to image with my unmodded camera. Then I realized that I should give my Celestron LPR/UHC filter a try to see if it would make a difference. I THINK it might have Either that, or this HA target is fairly bright. THe individual frames were really dark so I could have exposed for longer by my alignment wasn't that great. After processing I was totally surprised with the results.

Details: 3min exposures totalling 1.5hrs, ISO800, Canon 40D unmodded, Sky-Watcher Equinox 80mm, autoguided on the CG5-GT
Mag 5.5 skies

Larger sizes:
http://www.weatherandsky.com/main.php?g2_view=core.ShowItem&g2_itemId=1154&g2_imageViewsIndex=2

--------------------
Kerry
* Weather and Sky Photography *

QHY-8, Canon 40D unmodded, Meade DSI-C
Meade 12" LightBridge
Astro-Tech 8in RC
Celestron C6-SCT
Sky-Watcher Equinox 80mm APO
Omcon 4.5" Newt
Celestron Skymaster 15x70
Canon 50 f1.8, 100 f2.8Macro, 100-400 f4.5-5.6L, Sigma 17-70, 18-50, 28-300
CGE, CG-5 GT


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Dave M
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Reged: 08/03/04
Posts: 4927
Loc: N.E Ohio
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2217328 - 02/25/08 09:47 AM

Dang! Kerry, Beautiful shot..

--------------------
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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lawrie
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Reged: 01/31/06
Posts: 1743
Loc: Okanagan Valley
Re: Rosette Nebula with unmodded 40D new [Re: Dave M]
      #2217425 - 02/25/08 10:47 AM

Very nice image,almost 3D with the center stars, what did you guide with?

--------------------
Clear Skies
Lawrie

Ultima 8
Atlas EQ-G
ZenithStar 80 FD
DSI Pro - Pro II
Canon 350D


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skyguy1
member
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Reged: 03/23/04
Posts: 75
Loc: Yarker, Ontario, Canada
Re: Rosette Nebula with unmodded 40D new [Re: lawrie]
      #2217488 - 02/25/08 11:26 AM

Very nice indeed! Just goes to show what a good camera is capable of, even if it is stock.
Thanks for posting it!

--------------------

"We are made of Star Stuff"
Carl Sagan


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weatherandsky
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Reged: 12/27/06
Posts: 1848
Loc: Ontario, Canada
Re: Rosette Nebula with unmodded 40D new [Re: skyguy1]
      #2217557 - 02/25/08 11:53 AM

THanks guys!

Lawrie I used PHD guiding with the DSI on my 6in SCT (for guiding I should have taken the f6.3 reducer off)

--------------------
Kerry
* Weather and Sky Photography *

QHY-8, Canon 40D unmodded, Meade DSI-C
Meade 12" LightBridge
Astro-Tech 8in RC
Celestron C6-SCT
Sky-Watcher Equinox 80mm APO
Omcon 4.5" Newt
Celestron Skymaster 15x70
Canon 50 f1.8, 100 f2.8Macro, 100-400 f4.5-5.6L, Sigma 17-70, 18-50, 28-300
CGE, CG-5 GT


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jdc
member


Reged: 12/12/06
Posts: 47
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2217578 - 02/25/08 12:05 PM

Great shot. Nice to see its possible with an unmodded camera. I always skip it too because my first try didn't show any nebula at all. Will definitely be trying again ASAP.

--------------------
J. Clinedinst
Appalahcian Light Photography
www.appalachianimaging.com


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David Pavlich
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Reged: 05/18/05
Posts: 8668
Loc: Mandeville, LA USA 30.22 X 90....
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2217623 - 02/25/08 12:26 PM

That's terrific!!

David

--------------------
Proud Member; PAS NOLA,

"If we knew what we were doing, it wouldn't be called research..."
A. Einstein



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wrather1
AstroBear
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Reged: 10/25/05
Posts: 3880
Loc: Dallas, Texas
Re: Rosette Nebula with unmodded 40D new [Re: David Pavlich]
      #2217640 - 02/25/08 12:34 PM



--------------------
"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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nighthound
scholastic sledgehammer
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Reged: 08/30/06
Posts: 960
Re: Rosette Nebula with unmodded 40D new [Re: wrather1]
      #2217777 - 02/25/08 01:26 PM

Great job Kerry! You grabbed a lot in 1.5 hours total.

I just picked up an Orion CCD to guide with using PHD(WindowsXP). I hope the combo guides as well as yours appears to.

NH


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PGW Steve
professor emeritus


Reged: 10/03/06
Posts: 632
Loc: Winnipeg, Canada
Re: Rosette Nebula with unmodded 40D new [Re: nighthound]
      #2218068 - 02/25/08 03:26 PM

Awesome!!! I have to get out and shoot this with my 40D!!!!

--------------------
A-P 1200GTO - On the list for a Mach1GTO
14" LX200R OTA
FSQ106ED Tak .75 reducer +1.6 extender
WO Megrez 80mm 600mm triplet APO
WO ZenithStar 66 Triplet ED APO
EQ 6 PRO, HEQ-5 PRO
Astrotrac TT320, Manfrotto 475&488
DSI PRO II W/filters, Orion SSAG
Hutech 40D and Unmodded EOS 40D
16-35mm f2.8L II, 24-70mm f2.8L,70-200mm f2.8L IS 300mmf4.L, 400mmf5.6L
31T5,22T4,13E,9T6,8E,5T6,3.5T6
5’X8’ Wells Cargo trailer to haul it in!!!


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ericjacob613
Photon Hog
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Reged: 05/25/07
Posts: 3754
Loc: Santa Barbara CA
Re: Rosette Nebula with unmodded 40D new [Re: PGW Steve]
      #2218279 - 02/25/08 04:47 PM

Good shooting. Good processing too. Aren't you glad you changed your mind?

Kerry, I finally posted your pics on my guest page, btw.

--------------------
"Is that boy on the moon again?" - Gumby's Dad.


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Bachus
professor emeritus


Reged: 11/25/05
Posts: 704
Loc: Nashville,TN.
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2218561 - 02/25/08 06:55 PM

Quote:

THanks guys!

Lawrie I used PHD guiding with the DSI on my 6in SCT (for guiding I should have taken the f6.3 reducer off)





Just curious why you think you should've left the reducer off? Anyway this is another excellent shot that gives us non-modders hope.


Kenny J

--------------------
Orion XT8-1st Gen. flocked tube
1989 Ultima 8" SCT-with updated PEC and motor,original fork, wedge, tripod, 8x50 R.A polaris finder scope
Orion 80ED for piggybacking
Atlas Non-GoTo
Canon XT (non-modified)
Meade DSI Pro
JMI Mini-Max with encoders (Ultima)
Xantrex Powerpack 400 Plus


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weatherandsky
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Reged: 12/27/06
Posts: 1848
Loc: Ontario, Canada
Re: Rosette Nebula with unmodded 40D new [Re: Bachus]
      #2218689 - 02/25/08 07:46 PM

Thanks again everyone. So glad it gives many of you unmodder types hope It has definately given me hope. I think I'll be using this LPR filter more often when shooting HA. Too bad I don't have more clear nights or even more time to test it out.

Eric, I did see those pics that you posted Thanks again!!

Kenny, if I took the f6.3 focal reducer off of my 6in SCT (guide scope) it would have given me a higher focal length of 1500mm therefore in theory giving me some improved accuracy in guiding.

--------------------
Kerry
* Weather and Sky Photography *

QHY-8, Canon 40D unmodded, Meade DSI-C
Meade 12" LightBridge
Astro-Tech 8in RC
Celestron C6-SCT
Sky-Watcher Equinox 80mm APO
Omcon 4.5" Newt
Celestron Skymaster 15x70
Canon 50 f1.8, 100 f2.8Macro, 100-400 f4.5-5.6L, Sigma 17-70, 18-50, 28-300
CGE, CG-5 GT


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jimegger
super member


Reged: 12/22/05
Posts: 174
Loc: Palmer,Alaska
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2219002 - 02/25/08 09:52 PM

That is a shot to be happy about and proud of ! Beautiful !!!

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Pat42
super member


Reged: 12/26/04
Posts: 195
Loc: Saskatchewan, Canada
Re: Rosette Nebula with unmodded 40D new [Re: jimegger]
      #2219422 - 02/26/08 12:37 AM

WOW what a beautiflu shot Kerry .
I second what Lawrie said about it having a 3D effect, just a awesome shot.

Patrick

--------------------
Celestron C8-NGT
MK 127 EQ3-2
8" DOB (Home Built)
Canon 40D unmodded


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Nils_Lars
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Reged: 01/04/08
Posts: 3431
Loc: Santa Cruz Mountains , CA
Re: Rosette Nebula with unmodded 40D new [Re: Pat42]
      #2219460 - 02/26/08 01:14 AM

Yes shots like this do give us hope , nice work on that shot.

Do you think that the LPR/UHC filter offers the best bang for the buck in a 2" or is there another anyone could recomend.

--------------------
Erik

Orion Atlas Self Hypertuned (EQMOD)
Orion ED 80
Williams Optics VII reducer
Celestron 8" SCT
Orion Starshoot Autoguider
PHD guide
Canon 400D Hap Griffin Mod w/Baader filter
Astronomik clip-in LP filter and 12nm Ha
Stilleto CVF and Bahtinov mask
Tamron 75-300mm&28-80mm lenses
NexImage webcam

http://www.flickr.com/photos/31986095@N05/


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Gardner
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Reged: 01/19/04
Posts: 678
Loc: New Hampshire
Re: Rosette Nebula with unmodded 40D new [Re: Nils_Lars]
      #2219662 - 02/26/08 07:18 AM

Definitely gives us unmodded cam guys hope! Just need longer subs and lots of them.

I'll try this target with the IDAS LP2 filter and 8-10 minute subs if I can get the mount working good enough.

Well done, Kerry!

--------------------
Mini Borg 50 & Q-Guide
SV80S #87
TV 102 #1022
G11 Gemini
XT8

NHAS

my web site



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Tonk
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Reged: 08/19/04
Posts: 4355
Loc: Leeds, UK, 54N
Re: Rosette Nebula with unmodded 40D new [Re: Gardner]
      #2219723 - 02/26/08 08:20 AM

You are getting up that ladder quickly! I'd say near the topmost rungs

--------------------
Televue 85, GM-8/Gemini, Canon 40D (unmodded), Canon 450D (modded w/Astronomiks clip-ins - UV/IR, OWB)
Coronado SM60/BF10, Baader Herschel Wedge
Leeds Sky Clock Ripon Sky Clock


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soreneck
scholastic sledgehammer
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Reged: 04/01/06
Posts: 920
Loc: Toronto, Canada
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2220169 - 02/26/08 12:15 PM

Stunning shot Kerry! Can't believe that's an unmodded camera, there's tons of the faint red stuff in the outer "petals". Fantastic work.

--------------------
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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ericjacob613
Photon Hog
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Reged: 05/25/07
Posts: 3754
Loc: Santa Barbara CA
Re: Rosette Nebula with unmodded 40D new [Re: soreneck]
      #2220681 - 02/26/08 03:45 PM

Unmodded Canon cameras do a good job on red nebulas. I have to use a broadband filter because of light pollution, but I won't hesitate to shoot even a dim nebula with my XTI. Here are the results:

http://cheapskate-astro.net/nebulae.html

Cheap optics and lousy bright skies are my limiting factor.

--------------------
"Is that boy on the moon again?" - Gumby's Dad.


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lawrie
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Reged: 01/31/06
Posts: 1743
Loc: Okanagan Valley
Re: Rosette Nebula with unmodded 40D new [Re: ericjacob613]
      #2220906 - 02/26/08 05:56 PM

Nice stuff Eric, shows that processing has a big part in it also.
Kerry, the guiding looks pretty good to me, a FF would help with the corners.
How did you process?

--------------------
Clear Skies
Lawrie

Ultima 8
Atlas EQ-G
ZenithStar 80 FD
DSI Pro - Pro II
Canon 350D


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weatherandsky
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Reged: 12/27/06
Posts: 1848
Loc: Ontario, Canada
Re: Rosette Nebula with unmodded 40D new [Re: lawrie]
      #2221104 - 02/26/08 07:41 PM

Wow thanks everyone! I never expected this kind of response Eric the pics on your site definately confirm that it is possible... so I guess part of the key is to make sure you use a broadband LPR filter.

Lawrie, for processing I stacked all my lights, darks and flats in Deep Sky Stacker, then I post processed in Photoshop using multiple layers. I start out with a basic levels adjustment and then follow with several curves adjustment layers (normal, luminosity, colour). I ran some noise reduction and on the jpeg version using Noels tools for horizontal banding, space and deep space noise. The nice thing about this nebula is that the dynamic range was not that high so processing was not too bad. HTH

--------------------
Kerry
* Weather and Sky Photography *

QHY-8, Canon 40D unmodded, Meade DSI-C
Meade 12" LightBridge
Astro-Tech 8in RC
Celestron C6-SCT
Sky-Watcher Equinox 80mm APO
Omcon 4.5" Newt
Celestron Skymaster 15x70
Canon 50 f1.8, 100 f2.8Macro, 100-400 f4.5-5.6L, Sigma 17-70, 18-50, 28-300
CGE, CG-5 GT


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gquinzi
super member


Reged: 10/26/07
Posts: 151
Re: Rosette Nebula with unmodded 40D new [Re: weatherandsky]
      #2225174 - 02/28/08 02:11 PM

Beautiful shot Kerry! Gives me incentive to get out there and attack this object with my unmodded Canon .

--------------------
Orion 80ED w/ WO .8X FF and WO focuser upgrade
ST-80
Meade 8" SCT
F6.3 F/R
LXD75 Hypertuned w/Star patch GPS
Baader modified Canon 350D
DSI Pro
PHD Guiding
DSLR Shutter
Orion Dynamo Pro 17 (power tank)
A couple o' Naglers
A couple o' generic plossl's




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