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Eagle from Salisbury

adamsp123

By adamsp123
in Imaging - Deep Sky

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adamsp123

adamsp123

Posted
Posted

Well I have finally managed to have a go at processing my attempt of M16 the Eagle nebula, not that good I reckon, I need to have another go at processing methinks.

Details

SW 120ED with WOIII flattener/reducer, Vixen Sphinx Mount, Canon 1000D @ 1600 ISO

36x1min 39x2min guided with a finderscope/QHY5 and PHD- no darks or flats.

Pete

post-15319-133877395126_thumb.jpg

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Doc

Doc

Posted
Posted

I see where you are coming from Pete. You have alot of subs there and I bet alot of detail. What might let it down a bit is you have no darks or flats.

But it is still a lovely piece of art that you should be chuffed with.

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peter shah

peter shah

Posted
Posted

here is a step by step method i use....there are other ways

1) export your image it into photoshop

2) select all and copy

3) paste onto a new document

4) convert to grayscale, select all and copy again

5) paste onto the original image

6) with the grey image selected in layers, go to select colour range, set the fuzzyness to about 100, and click on one of the bright stars.

7) go to select modify and expand set it to 2 pixels

8) go to feather and set it to 1 pixel

9) ok now you have your stars selected switch to the rgb layer

10) go to filters, others and minimum set it to 1 and click ok

11) edit and fade it until you like the result

12 delete the gray layer

the reason for making a grey layer is so you select all the stars rather than just one of a specific colour;)

this can be useful when narrow band imaging to get your star sizes equal in each channel...it helps with pink stars!

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Psychobilly

Psychobilly

Posted
Posted

I just use a Photoshop action.... I guess it probably does something simillar to Peter's method but with a single mouse click...

There are a few free star reduction actions to be found on the web ...

Peter...

Q - How many Peter's can you get posting on a single topic....?

At this rate I may have to revert to "Billy..." :)

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peter shah

peter shah

Posted
Posted
I just use a Photoshop action.... I guess it probably does something simillar to Peter's method but with a single mouse click...

There are a few free star reduction actions to be found on the web ...

Peter...

Q - How many Peter's can you get posting on a single topic....?

At this rate I may have to revert to "Billy..." :)

noels actions is slightly better, i think he uses certain filters to help select his stars, it tends to get more of them rather than just ones that have saturated pixels;) but i cant be sure as i dont have his actions!
Peter,

Great post - hope you don't mind but I have copied and pasted your "recipe" into an "imaging how to" document that I keep on my PC.

Thank you

Mike

nah no problem use it....there may be a better way of selecting stars though;) this has always worked for me
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Psychobilly

Psychobilly

Posted
Posted

Noels Actions are money well spent... one of the first things I bought when I started processing images... GradientexTerminator is another favourite find it much easier to use than DBE in pixinsightLE but tend not to need it so much now I have an essentially "fixed" setup and take skyflats...

I did go through your workflow thoough :)

Peter...

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