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astroman001

Saturn 6th April

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all,

See was unsteady again at 37° altitude in the UK. The head of the storm was on show at about III = 210°.

best regards

Peter

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That's a nice set of images!

I find it remarkable how the sum of the R G & B images always seems to be better than the best of the individual ones. Do I take it you're using a combination of IR, R & G as luminance? I've found that using just the red channel works best & now shoot in the sequence G, R, B to minimise the rotational smearing between the individual channels and the "luminance" channel.

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Thanks guys. BrianB, yes I have been experimenting with different combinations of R + G + IR to synthesise the L channel. I tried taking a broadband luminance channel, ie no filter and the results are very poor with the seeing affecting the image much worse than the R or G channel.

I asked Damian Peach the other day if he synthesised his L or not. He says that his was a real L channel. I don't know how he manages to get such sharp detail.

R + G usually works best but with poor seeing like we have had recently, adding the IR seems to help.

regards

Peter

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I asked Damian Peach the other day if he synthesised his L or not. He says that his was a real L channel. I don't know how he manages to get such sharp detail.

Barbadian skies I think!

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