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Go Back   IceInSpace > Beginners Start Here > Beginners Astrophotography

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  #21  
Old 13-07-2018, 03:27 PM
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ChrisV (Chris)
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Kill the green Alex. Otherwise, its a really nice Corona. You've brought out the detail nicely.
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  #22  
Old 13-07-2018, 04:21 PM
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Quote:
Originally Posted by ChrisV View Post
Kill the green Alex. Otherwise, its a really nice Corona. You've brought out the detail nicely.
What green?☺
A giant step forward however and I am doing two night stacks.
The 30 second thing seems to work with inbuilt dithering over long periods☺
Just competed another which I am happy about...m7...it was something to do whilst wsiting for my main target.
Alex
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  #23  
Old Yesterday, 10:48 PM
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Last try.
3hours 27 minutes
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  #24  
Old Today, 08:10 AM
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Hi Alex
Really good detail but now a little too red.
Im only a beginner with processing but it must be in the stacking settings that sets the colour.
Must be difficult getting colour balancd right not being able to see the colours to start with.
I had a quick look at the historgram of each image and the first one the green and blue channels are quite high compared to the red.
But in the last image its the red channel that peaks higher than the luminosity channel.
After stacking in dss are all the settings in the levels, colour etc set to zero or i think there might be a button to save without processing in DSS.
I used to get some strange results until I turned off something in DSS.
Im on my tablet now so ill have a look later.
I tried to colour balance a photo with my tablet in black and white mode and its really hard so being colour blind you have to look at the channels and even then it can be way off.
Good luck
Andy
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  #25  
Old Today, 04:23 PM
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Hi Andy.
Thanks for taking your time to help me I really appreciate it.
I found a toggle or box that had red at a higher value ..how that happened I dont know.
Anyways I have done yet another stack and process..this one has three hours and thirty eight minutes.
I tried not to play with the colour in this one.
alex
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  #26  
Old Today, 07:02 PM
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Hi Alex,
I have done historgrams of each of your images in order.
To help, top to bottom is Lum, Red, Green, Blue.
The first image the blue and green channels are a bit high.
The second and last image the red channel is high.
The data is all there and really good detail but something is happening with the colour.
Im not too sure as im only a novice at processing.
All i do is stack in dss and then save as 16 bit tiff.
Then in photoshop change the curve a bit then stretch the levels a bit.
I never separate the colour channels but as i said before im only a learner.

I used these sites to sort of work out settings in DSS
https://www.stevebb.com/deep_sky_stacker.html
https://astrobackyard.com/deep-sky-stacker-settings/

Other than the colour thing these are really good images compared to what came out of my camera on Saturday night.
There not even good enough to excite a small child....
Cheers
Andy
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  #27  
Old Today, 07:08 PM
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Just checked one of my images i did a while ago and historgram.
And there seems to be very little data on the left hand side.
I think thats the black in the picture.
I hope this helps not and make it more confusing.
Cheers
Andy
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  #28  
Old Today, 07:22 PM
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Thanks Andy.
I sweare my photos get redder after they have been up for a couple of hours.
Same happened with my Lagoon.
I must try going away and coming back later to look.
This last one just does not look like the image I posted..????

I look at the last one and it seems so red...maybe I am going in and out of colour blindness.

Anyways my excuse will be that I use a unique colour pallette.

Anyways to me they look ok at the moment and in time I will get on top of processing.

I havent really started just using gimp and or photoshop.

So much to do with the mounts and scopes...and my little ob box.

I am just so busy with all this stuff.

I purchased a desk top computer today which I plan to use mostly for stacking...maybe only stacking...the lappy runs 24/7 stacking cause I am capturing every night that is clear...

Thanks again for everything.
Alex
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