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Hi Luke. Great first images there! I totally agree with that 47 Tuc is the best looking globular. I think the visual intensity of the core and the more "traditional" shape makes it more beautiful somehow.
I hope you don't mind but I had a go at pulling a bit more out of your lunar image. It could possibly be even better but I'm working off your JPEG, which luckily is quite high res.
I opened it in Photoshop, changed the mode to Lab, Gaussian blurred the colour channels to reduce colour noise and exported the luminance channel to another greyscale image. I duplicated the luminance layer and did a High Pass filter on it and then Soft Light combined it with the original. I then adjusted the level to bright the white-end up to maximum and dropped it back into the luminance channel of the Lab image. Turned it all back into RGB and boosted the colour saturation 25% and cropped it a bit then saved it to disk.
Cheers,
Cam
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