Here’s a picture of last night’s full moon. I’ve spent a good part of the today learning some new processing techniques from the page below:
How To Photograph And Edit a Mineral Moon | Light Stalking
Unfortunately the steps are all in Photoshop, so I had to work out how to do them in GIMP, but it seems to have worked. I wanted to see if I could do this entirely in free software, but couldn’t get the noise reduction to work so there’s a bit of Pixinsight in here, but otherwise it’s all done with free stuff.
Capture details are: Canon DSLR on 130PDS – Disc is stack of 30 of 1/500s, halo is a single jpeg at 1/10 sec
Processing is: Converted to avi by Pipp, stacked in Autostakkert, Saturation and Layers in GIMP and Noise reduction in Pixinsight MLT.
Tonight, I took my first image of the Moon with my QHY10 camera/Equinox 80mm telescope.
The image should colour dispersion. I do have a dispersion corrector but it is 1.25 inch fitting and the QHY10 camera is definitely 2 inch fitting.
I found that this problem can be addressed using GIMP2 software – in this software there is a function called decomposition – this splits a colour image into separate individual RGB images.
I have described the process I followed in GIMP2 to decompose images below.
Original image in GIM2 showing colour dispersion:
Selecting decompose in GIMP2:
Selecting RGB in decompose:
Decompose in GIMP2 results in 3 separate layers for each colour – each image is presented greyscale & can be saved: