All Questions
Tagged with astronomy image-processing
8
questions
0
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Help me figure out how to solve the gravitational lens equations [migrated]
I want to simulate gravitational lensing. In the article LENSINGGW: a PYTHON package for lensing of gravitational waves there is this fragment [page 3]:
My research: As far as I understand, this is a ...
7
votes
1
answer
151
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Detect sub figures and split (automatically?)
I would like to take a large figure showing a sequence of individual plots and automatically split the into series of images showing the individual sub-plots (to be exported as animated GIF later). ...
18
votes
2
answers
1k
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Processing images from NASA's Juno Jupiter Orbiter
Question
Can you help me improve what I’ve done to create an enhanced-color picture from an image provided by NASA’s JunoCam? [My work is shown in the penultimate image of Jupiter in this post.]
I’...
32
votes
1
answer
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Interstellar Image Effects
I'd like to know how to create this type of gravitational lensing effect in an image (here are some star fields from the hubble)
"I wrote down the equations and I tested them in Mathematica by
...
5
votes
2
answers
576
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How to find the Andromeda Galaxy
I would like to find the Andromeda Galaxy ($M31$) with the unaided eye. One way is to use the following image and graphic
but I can’t find it just by looking in a dark sky. It is hard to detect ...
16
votes
2
answers
1k
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Align stars in multiple images
I hope that you find this question interesting and that this will help others with similar problems as this configuration is not so particular.
My problem
I have multiple images of a particular ...
20
votes
1
answer
622
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Segmentation of sunspots
I recently went for a walk with my camera and snapped a few pictures of the sun. The pictures didn't turn out too well, but this was to be expected without a telescope. I thought it might be a nice ...
53
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4
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Mollweide maps in Mathematica
Update
The integration of Healpix into mathematica is now available.
Context
In my field of research, many people use the following package: healpix (for Hierarchical Equal Area isoLatitude ...