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 Post subject: Re: Deep Sky - First attempt
PostPosted: Fri Jun 22, 2012 8:47 pm 
Well done Bill, not bad at all, even colour in the ring nebula...... As dave mentioned, just fine tune your focus an you've cracked it......... :roll:


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 Post subject: Re: Deep Sky - First attempt
PostPosted: Sat Jun 23, 2012 10:01 am 
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Hi Guys

Thanks for all the support and help, As David said, its not easy but well worth all the effort.

Yep capturing in RAW, I just need to consecrate on getting my focus sorted. All these years of taking pictures and can't focus :lol:

I taken a look at IRIS :roll: me thinks this is going to be hard work.

Once again, thanks for all the help

Regards

Bill

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 Post subject: Re: Deep Sky - First attempt
PostPosted: Sat Jun 23, 2012 6:15 pm 
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Bill,
The plan is to use IRIS at the next imaging workshop on the 17th July - show how to calibrate deep-sky images and then process them. IRIS is not the easiest to understand but it has many routines applicable to imaging from light-polluted sites such as Lancashire.


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 Post subject: Re: Deep Sky - First attempt
PostPosted: Mon Jun 25, 2012 11:16 pm 
Good work.

Do these clusters have spiral arms? The image i took of m13 and your m3 look like they do.


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 Post subject: Re: Deep Sky - First attempt
PostPosted: Tue Jun 26, 2012 11:04 am 
In short no. clusters dont have spiral arms, galaxies have them but not clusters.


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 Post subject: Re: Deep Sky - First attempt
PostPosted: Tue Jun 26, 2012 11:34 am 
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Thanks Dean, I was trying to think of the correct description ;)

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 Post subject: Re: Deep Sky - First attempt
PostPosted: Sat Jun 30, 2012 5:40 pm 
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Not easy at all

My second attempt, If have go the file in order it's the Great Cluster in Hercules M13. shot with my Sky-Watcher Skymax-127 and a 600D

I have dropped in the Gallery

Could not get the RGB balance to work so ran it through NET.PAINT

Any comments would be appreciated

Bill

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 Post subject: Re: Deep Sky - First attempt
PostPosted: Sun Jul 01, 2012 9:27 am 
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Bill,
White balance is not easy and I often find what I thought was correct then the following day looks way off. In IRIS you can just set the RGB numbers and keep trying. For my set-up with a modded 40D with a light pollution filter then the RGB numbers are around 1.2/1/1.8. If your Canon is not modded then then the R needs to be much higher - perhaps over 2. An alternative is to use the black and white commands. The former sets the background balance to black and the latter can be used on a known white star or say the centre of M13 to set white correctly. You need to drag a small square over the area and type the command in. I generally use all the methods in conjunction and still struggle!


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 Post subject: Re: Deep Sky - First attempt
PostPosted: Sun Jul 01, 2012 9:51 am 
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David

Well you did say this was not going to be easy ;) I will have another go later and see what results I get. I have also used DeepSkyStacker to evaluate it.

Anyway the good news is that I seem to be getting better, just need to sort out the light pollution and the exposure.

Cheers

Bill

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 Post subject: Re: Deep Sky - First attempt
PostPosted: Sun Jul 01, 2012 11:44 am 
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David

Gone through the process again up to the RGB balance and I'm not having much look as no matter what settings I use and they try to correct them I'm having no luck, even if I enter the original figure it does not take me back to the original,

I will keep trying but looking forward to your tutorial, even read in Astronomy Now mag that you did a presentation at the North West Group of Astronomical Societies meeting on the same subject with the title of Veteran ;)

Well I have just turned 65 and a baby at this :lol:

Regards

Bill

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