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Originally Posted by wasyoungonce
Anyway I'm using K3CCD capture and Registax. I've just toyed with Astraimage today ...very nice.
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Yeah I started with K3CCD but switched to WxAstroCapture for the higher-framerate preview and because I found K3CCD interfered a bit with WcCtrl.
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Oh... one last thing...blue light is of such a wavelength that it suffers from "Rayleigh Scattering" in the atmosphere..but you already knew that .
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Yeah I understand that, but still don't understand why the channel looks so incredibly bad. There is obviously detail there but there's so much grain, pixelation and blockiness that makes me think it's a hardware or imaging problem. See
this for example.
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I wanted to ask how you archived RGB imaging with the software? Did you just shut down the other channels? Excuse my nobishish.
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I'm not sure what you mean. The images that are captured to AVI have all three (R/G/B) channels. I separate them with RGBSplit, centre each and process each.
Then I get the final processed image from each channel, "Colorify" each channel in The GIMP (i.e. red channel goes from grayscale to being actually red, etc). Then copy and paste the colorified R and B on top of G, setting the "Layer Mode" to "Screen" so the channels are combined properly. Then just offset each layer, perform more per-channel or mixed-channel processing, etc.
If I want RG, I "Colorify" the green channel to aqua and stack the red channel on top. I'm sure AstraImage and other software might be able to do it more easily but I find I have a huge amount of control over each step when I do it the long way
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I don't want to to take wind from Ash's post...his images are very good and his post has inspired me
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If I inspired anyone, then that's one goal met
. Keep up your effort, your results will only get better!
It was the dozens of threads (archived over several years) I read on this forum that made me decide to get into amateur astronomy, when I realised what results can be achieved in the average backyard without spending too much upfront.
I was afraid to be sucked into aperture fever. I almost was but for some reason wide-field + long exposure is starting to pull me in ... not that I have any equipment that can achieve that, but those milky way shots I see lately look so good