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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 20 Oct 2012 (Saturday) 07:49
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1st attempt at Orion Nebula (M45) And Pleiades (Seven Sisters).

 
Paul ­ Bailey
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Location: Cheshire
     
Oct 20, 2012 07:49 |  #1

Orion Nebula.

IMAGE: http://farm9.staticflickr.com/8332/8105047661_eabe292da7_b.jpg

Pleiades.

IMAGE: http://farm9.staticflickr.com/8472/8105195414_3c7944d393_b.jpg

Camera Model Canon EOS 550D
Shooting Mode Manual Exposure
Tv( Shutter Speed ) 3.2
Av( Aperture Value ) 5.6
Metering Mode Evaluative Metering
ISO Speed 1600
Lens EF75-300mm f/4-5.6 USM
Focal Length 180.0mm
Image Quality RAW
White Balance Mode Auto
AF Mode Manual focusing

Thanks for looking.

Canon EOS 550D 18-55mm isII kit lens
Canon EF 75-300mm 1:4-5:6 III USM
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rick_reno
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Oct 20, 2012 09:11 |  #2

very nice shots




  
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neimad19
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Oct 20, 2012 10:13 |  #3

Good work. What was the focal length used for each shot?




  
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Paul ­ Bailey
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Oct 20, 2012 10:53 |  #4

Thanks guys
ive added the exif to the post..


Canon EOS 550D 18-55mm isII kit lens
Canon EF 75-300mm 1:4-5:6 III USM
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Toxic ­ Coolaid
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Oct 20, 2012 11:26 |  #5

very nice. I'm assuming you're shooting from a tripod. You should definitely do some stacking with Deep Sky Stacker. i think I'm seeing a lot of the red from all the glowing Hydrogen in the Orion area. You's be amazed what a stack of 20 images can bring out. If you took a bunch at the same time without moving your camera, try stacking them. Deep Sky Stacker (DSS) is free. Here is a tutorial that got me hooked a few years ago.

http://flintstonestarg​azing.com/?s=dss (external link)


You can download it from here.

http://tech.groups.yah​oo.com/group/DeepSkySt​acker/ (external link)

Get the beta version below the screenshot. You will need it to support the RAW from your camera.

Have fun




  
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mtbdudex
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Oct 21, 2012 10:33 |  #6

Paul - Here are some examples of using DSS on simple fixed tripod for M45:
More details in each linked thread.

Taken Oct 17, 2010, 500 (2) sec exposures @ ISO800, 40 darks, 25 bias, shot via T1i+50mm f1.4 prime lens on tripod.
DSS took quite a while to crunch this.
9f Orion/M42 via T1i/50mm lens/DSS

IMAGE: http://lh3.googleusercontent.com/_FqTNmgNQHz8/TL5OfUNHsnI/AAAAAAAALCE/0MaeN2PK-hE/s800/M42%20v2%2050mm-%20Version%203.jpg
IMAGE LINK: https://photography-on-the.net …p?p=11117775#po​st11117775

Taken Oct 19, 2010 5:30am - 5:56am EDT, 256 (5) sec exposures (21.3 min total exposure time) @ ISO800, 33 darks, 25 bias, shot via T1i + Canon 15-85 Lens @ 85mm, f5.6 on tripod.
9g Orion/M42 via T1i/DSS @ 85mm
IMAGE: http://lh3.googleusercontent.com/_FqTNmgNQHz8/TMAIBwH7rlI/AAAAAAAALEA/2h7JW_D4uEM/s800/M42%2085mm%20v1%20-%20Version%204.jpg
IMAGE LINK: https://photography-on-the.net …p?p=11137109#po​st11137109

Since I've taken this I have the 70-200 L f2.8 IS II, I'd be curious how that does at 70mm wide open at f2.8...if it's clear tomorrow morning I should try that.

Mike R, P.E. ...iMac 27"(i7), iPad2, iPhone5s, 24" iMac, AppleTV(160), MacBook
Canon: 70D, T1i + lens:70-200 L f2.8 IS II / TC 1.4x 2x / 15-85 / f1.4 50 / UWA 11-16 Tokina
FEISOL tripod CT-3441S + CB-40D Ball Head, iOptron EQ tracker
My top 10 in Astrophotography. . .DIY acoustic panels (external link) . . APOD Aug-5-2011 (external link)

  
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MidnightSun
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Oct 22, 2012 17:06 |  #7

Nice start...like TC said, use DSS and get some more time in on the subjects. Maybe shorter exp's. or check your tracking. Those are great targets for practice and calibrating equip. since they are so easy to find......


Dave
Canon 350D, AE-1, Orion 8" Newt. f/4.9; EQ6 w/ modified motor drive; Orion 70mm f/10 Refractor Guide Scope; Celestron NexImage CCD Imager; Starshoot Autoguider. Orion Electronic Focusers.
Astro Setup / Midnight Sun Astrophotography (external link)

  
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Skul
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Oct 25, 2012 04:30 |  #8

That is a good start.
Remember, as the focal length goes up, trailing becomes a problem.
Often times, wide angle can give very nice results.
The important part is what you find pleasing, not others.




  
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Paul ­ Bailey
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Nov 29, 2012 19:28 |  #9

thanks for the advice guys parts to attach my camera and telescope together have now arrived so im just waiting for a moonless clear night to capture some data of the orion nebula ill be using an unguided skywatcher 200p newtonian telescope on the eq5 mount prime focus anyone got an idea of the exposure times i should be looking at for iso 1600 and iso 800?..


Canon EOS 550D 18-55mm isII kit lens
Canon EF 75-300mm 1:4-5:6 III USM
Extention Tubes
+1,+2,+4,+10 Closeup Filters
Prior Planning And Preperation Prevents Poor Performance..:D

  
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Joe929
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Nov 29, 2012 22:00 |  #10

Paul Bailey wrote in post #15306160 (external link)
thanks for the advice guys parts to attach my camera and telescope together have now arrived so im just waiting for a moonless clear night to capture some data of the orion nebula ill be using an unguided skywatcher 200p newtonian telescope on the eq5 mount prime focus anyone got an idea of the exposure times i should be looking at for iso 1600 and iso 800?..

If your mount is motorized and capable of tracking, the length of exposure depends on well it is polar aligned. I have heard people having exposures of ten minutes or more, unguided. The best that I ever attempted was four minutes and that was due to light pollution, I could have gone longer otherwise. I since bought a clip in filter but had to sell my gear before ever getting a chance to use it. From what I have seen online, it would have made a huge difference. Good luck and keep trying.


Canon 7D, 24-105L, 100-400L, Tokina 11-16, 430 ex II
http://www.flickr.com/​photos/50204351@N02/ (external link)
http://joeogden.net/ (external link)

  
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Paul ­ Bailey
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Nov 30, 2012 04:40 |  #11

thanks jo im affraid my mount is the manual EQ5, untill sometime in the future so ill be looking at short exposure or as short as possible. anyway then ill probably stack lots of shots to get the best image i can (if i spend any more money on camera kit or tellescope parts i think the wife would kill me lol)


Canon EOS 550D 18-55mm isII kit lens
Canon EF 75-300mm 1:4-5:6 III USM
Extention Tubes
+1,+2,+4,+10 Closeup Filters
Prior Planning And Preperation Prevents Poor Performance..:D

  
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jr#8
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Nov 30, 2012 06:05 |  #12

Here is a good tutorial on short shutter shots (1.6s) very informative.
http://www.youtube.com …er_embedded&v=e​0JSTF8SGi4 (external link)!


Astrophotography,Fishi​ng
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Paul ­ Bailey
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Nov 30, 2012 08:33 |  #13

jr#8 wrote in post #15307568 (external link)
Here is a good tutorial on short shutter shots (1.6s) very informative.
http://www.youtube.com …er_embedded&v=e​0JSTF8SGi4 (external link)!

Thanks that was most helpfull ;)


Canon EOS 550D 18-55mm isII kit lens
Canon EF 75-300mm 1:4-5:6 III USM
Extention Tubes
+1,+2,+4,+10 Closeup Filters
Prior Planning And Preperation Prevents Poor Performance..:D

  
  LOG IN TO REPLY
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1st attempt at Orion Nebula (M45) And Pleiades (Seven Sisters).
FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
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