Contains:  Solar system body or event

Image of the day 11/04/2023

Mapping Ganymede, Tom Williams
Mapping Ganymede, Tom Williams

Mapping Ganymede

Acquisition type: Lucky imaging

Image of the day 11/04/2023

Mapping Ganymede, Tom Williams
Mapping Ganymede, Tom Williams

Mapping Ganymede

Acquisition type: Lucky imaging

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Acquisition details

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Description

Here's a map of Ganymede, a project 2 years in the making. This map projection includes data from 6 images (the best 5 are shown), captured over the last two Jupiter apparitions. Mouse-hover or click Here for the comparison of my image against those based off Voyager & Galileo. There are a few spots that don't match perfectly, probably due to either resolution limits or poor map computation, but I'm happy with the general agreement.

26-Aug-2022
27-Aug-2022
28-Aug-2022
21-Sep-2022
10-Aug-2023
06-Sep-2023

- SW400P (16" Dob), Uranus-C at 8770mm f/21.5. Captured at 0.068"/px, resized to 400% and mapped in WinJupos.

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  • Final
    Mapping Ganymede, Tom Williams
    Original
    Mapping Ganymede, Tom Williams
    B

B

Title: Galileo/Voyager

Description: Comparison overlay using Galileo/Voyager data.

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Histogram

Mapping Ganymede, Tom Williams