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Phase-stacked moon

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#1 Jim4321

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Posted 24 February 2021 - 05:29 PM

If you get  the Astronomical League's 'Reflector' magazine, be sure to look on page 16-17 at the 'phase-stacked' moon, by Jai Shet and Neil Shet.  Quite outstanding, IMO.    

 

Jim H.



#2 Tim Pierson

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Posted 24 February 2021 - 07:20 PM

I read the article and its excellent. It describes a new approach to making a full moon image and produced spectacular results. I wish I could get the image to use as my screen saver.

 

 


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#3 jeffry7

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Posted 25 February 2021 - 04:31 PM

How would one get a copy of the article?

#4 jeffry7

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Posted 25 February 2021 - 04:31 PM

How would one get a copy of the article?

#5 Jim4321

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Posted 25 February 2021 - 04:50 PM

I really don't know.  The $25 yearly membership in my local club (  http://www.astroasheville.org )  includes membership in the Astronomical League, and one of the things that comes with that is Reflector magazine.   The issue with the article is Vol 73, No. 2, March 2021.  An email to the League might tell you how, if they sell single copies (I don't think they do, but...) .

 

Jim H.



#6 John_Moore

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Posted 25 February 2021 - 05:21 PM

But, isn't there a YouTube description of this 'phase stacking' (see 59.05 time).

 

I'm not endorsing it in any way, but, perhaps, the above might be of use to those interested.

 

John Moore


Edited by John_Moore, 25 February 2021 - 05:33 PM.

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#7 Tom Glenn

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Posted 25 February 2021 - 05:43 PM

I don't have access to the article, but as John said above, the general method is not new.  Versions of this "phase stacking" have been done by many people.  It can be a fun project, although it is extremely labor intensive, and it is quite difficult to produce a blended result that looks good at high resolution.  Essentially, the goal is to try and create something like the LROC WAC global mosaic, but without access to the same calibrated data that can easily be normalized for illumination and perspective.  


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#8 aeroman4907

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Posted 25 February 2021 - 05:52 PM

Thanks for the additional link John.  That taught me an additional tool called Puppet Warp which is extremely useful for some of my other blends for lunar images.


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#9 warddl

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Posted 02 March 2021 - 01:21 PM

I enjoyed the article and the associated Facebook video showing more information.  I do wish they would post an image with higher resolution than you  can see in the article photo. 

 

https://m.facebook.c...625090522&_rdrĀ 

 

This reminds me that when I first started observing in the early 1960s, the most common photo of the moon seems to be a 1st & 3rd quarter merged image done by Lick Observatory.  It showed better crater detail than the standard full moon image.  Great to see this concept carried further.


Edited by warddl, 02 March 2021 - 01:24 PM.



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