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new treatment and improved old lunar images with the 625 mm


CATLUC

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Good Morning

A demonstration of what can bring my new method of treatment with AS2 and R6 on some lunar photos taken with my 625 mm.

The gain is clearly visible on the GIF despite the poor conditions for acquisitions.

Clear sky.

Luc CATHALA

Click on image for full resolution.


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On this imageyginus the resolution is more or less 450 m :


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Hello

Thank you.

It's just with Autostakkert 2 to use much larger APs like 80 to 120 (instead of 25 to 30 ) and more images (500) than the first version.
Another image with a comparison of a photo made by Lunar Orbiter 4 in 1967 in preparation for the Apollo missions.
The Lunar Orbiter missions have made other much more accurate.
Clear Sky.
Luc
Click on image for 100%.
48a7f83fe2b497ec3ec727b1f972b19c.16536x1
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Clear to see the gains, Luc, fabulous images.

More images I can understand, but why do much larger AP's work? Obviously it is working but I would love to understand why larger APs? I am having trouble stacking some solar images at the moment, I have gone for fewer frames but still small APs, I have not tried larger APs.

Hello

Thank you.

It's just with Autostakkert 2 to use much larger APs like 80 to 120 (instead of 25 to 30 ) and more images (500) than the first version.
Another image with a comparison of a photo made by Lunar Orbiter 4 in 1967 in preparation for the Apollo missions.
The Lunar Orbiter missions have made other much more accurate.
Clear Sky.
Luc
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Superb shots! 625mm of loveliness :smiley:

                               Best regards,

                                                      Ralph

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These are great images and improved by the new processing but I am surprised that using larger APs helps. I thought that using a high number of smaller ones and fewer (say 200) low gain frames was the key to getting the best resolution. Ah well back to the drawing board !

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Hello

Thank you for your comment.

Alan and Michael you are right.

If the film is good and stable the best resolution is obtained with small size APs as 25. But my telescope is very sensitive to wind and often the image is moving strongly. So I have to use large APs to exploit the film. I did the test for these images with small APs but the result is not as good.

Clear sky.

Luc

Other high-resolution images at http://www.astrobin.com/users/CATHALA.Luc.CATLUC/

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Clear to see the gains, Luc, fabulous images.

More images I can understand, but why do much larger AP's work? Obviously it is working but I would love to understand why larger APs? I am having trouble stacking some solar images at the moment, I have gone for fewer frames but still small APs, I have not tried larger APs.

Luke...From what I have seen and read a lot of planetary imagers also use larger AP's. I have started to go up to 50-60 on a regular image scale, but over 100 on a barlowed image. for some reason it seems to work....can explain it.

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