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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 09 Jan 2010 (Saturday) 09:56
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M45 - The Seven Sisters - Pleiades

 
chris.bailey
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Jan 09, 2010 09:56 |  #1

I often grab a frame or so of M45 at either the beginning or the end of an imaging session. Through the winter its normally in a good position for me to check guiding etc due to the abundance of stars in the area. A mix of frames taken with a 40d and my CCD camera which took a bit of playing with to stack together.

Being a cold wintry day I decided to spend some time sorting through the images I do have and running them through PixInsight. I had to ditch quite a few with trailing or bad sky background but ended up with the best part of 3 hours of decent data. Pixinsight has some great tools for Astro Images but man is it complex to use. I used to use just the Background Calibration and Histogram Tools and then finish off in Photoshop but now pretty much have a workflow from start to finish.

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IMAGE IS A REDIRECT OR MISSING!
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This is by far and away my best rsult of M45 with the brown dust below Merope beginning to show nicely. Will now be firmly on my list for a further dedicated imaging session.



  
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troypiggo
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Jan 09, 2010 15:50 |  #2

Coming along nicely.


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Celestron
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Jan 09, 2010 16:00 |  #3

Very nice Chris but leaning strongly towards Cyan instead of what i know as blue .




  
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godzakka
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Jan 09, 2010 21:15 |  #4

Absolutely gorgeous!




  
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chris.bailey
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Jan 10, 2010 02:49 |  #5

Celestron wrote in post #9360053 (external link)
Very nice Chris but leaning strongly towards Cyan instead of what i know as blue .

I agree with you. Frames were from a mix of CCD and 2 different Canon DSLR's and some included a CLS filter and some did not. Colour balancing is therefore a bit of a mare. Resulting stacked image also had a strong colour cast and a fair gradient.

Will give it another go.




  
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Bhargav
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Jan 10, 2010 03:08 |  #6

chris.bailey wrote in post #9358025 (external link)
Pixinsight has some great tools for Astro Images but man is it complex to use. I used to use just the Background Calibration and Histogram Tools and then finish off in Photoshop but now pretty much have a workflow from start to finish.

gorgeous.
please fill me on how you were able to avoid the trails...


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chris.bailey
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Jan 10, 2010 03:37 |  #7

chris.bailey wrote in post #9363022 (external link)
I agree with you. Frames were from a mix of CCD and 2 different Canon DSLR's and some included a CLS filter and some did not. Colour balancing is therefore a bit of a mare. Resulting stacked image also had a strong colour cast and a fair gradient.

Will give it another go.

Hopefully now a little more blue than Cyan.




  
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chris.bailey
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Jan 10, 2010 03:40 |  #8

Bhargav wrote in post #9363056 (external link)
gorgeous.
please fill me on how you were able to avoid the trails...

A reasonably polar aligned mount with a second scope and camera to guide the main imaging camera.

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IMAGE IS A REDIRECT OR MISSING!
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pretty much shows it.



  
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Footbag
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Jan 10, 2010 08:57 |  #9

Nice image. The CLS is notorious for it's odd color tint. I've yet to get a decent image of the Pleiades, but have read a few articles testing various LP filters on that particular target. Between the CLS, IDAS LPS, and none... You get the best results on Pleiades with none.


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chris.bailey
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Jan 10, 2010 09:33 |  #10

Footbag wrote in post #9364060 (external link)
Nice image. The CLS is notorious for it's odd color tint. I've yet to get a decent image of the Pleiades, but have read a few articles testing various LP filters on that particular target. Between the CLS, IDAS LPS, and none... You get the best results on Pleiades with none.

Agreed but without it I have to severely limit sub duration to keep withing the sky glow limit. Worse of two evils.




  
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Footbag
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Jan 10, 2010 10:44 |  #11

chris.bailey wrote in post #9364225 (external link)
Agreed but without it I have to severely limit sub duration to keep withing the sky glow limit. Worse of two evils.

Understood. I do a lot of shooting from a red zone. Haven't gotten any decent nebulosity since the leaves fell off the trees exposing the streetlights. Probably going to pick up either the IDAS or CLS, but it's a tough choice.


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Celestron
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Jan 10, 2010 13:49 |  #12

chris.bailey wrote in post #9363155 (external link)
Hopefully now a little more blue than Cyan.

Alot better now ! More close to what it should be . Check out these images by a friend of mine Jay Ballauer (external link) . The second image is almost same as yours .




  
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Catanonia
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Jan 11, 2010 04:04 |  #13

Lovely image Chris. Love the colours and the dust lanes in this image.

Hard target to do justice with especially with long exposure rates.


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vinyleater
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Jan 11, 2010 19:47 |  #14

Chris, that shot capture a lot of the magic of the Seven Sisters. Very nice accomplishment. And thanks for the shot of your set-up. Well beyond what I've got going.




  
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M45 - The Seven Sisters - Pleiades
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