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Jupiter 2019-05-03 (UT 19:49 2015-05-02)

Acquisition type: Lucky imaging

Technical card

Resolution: 380x380

Date:May 3, 2019

Time: 03:49

Frames: 6600

FPS: 58.00000

Focal length: 5600

CMI: 258.10

CMII: 356.60

CMIII: 316.50

Seeing: 3

Transparency: 8

Locations: Home, Singapore, Singapore

Data source: Backyard


I have been hoping to image the GRS to capture the interesting cloud formation I have seen in the images of others, but clouds have been spoiling the party.

Indeed, it was cloudy when I went to bed this particular night, so I expected to miss it again. However, when I woke in the middle of the night transparency had improved to decent levels, so I rushed to grab some frames before the GRS rotated out of view.

This did, however, mean my 'scope had no time to reach thermal equilibrium, so I had some (very local) seeing issues. Happy with the result, considering this!

Very interesting to see the solid line of brown cloud from the SEB being drawn completely around the GRS. I wonder whether this has anything to do with the bright/white eddy that is trailing the GRS ... perhaps this disturbance is helping to divert the clouds around the GRS.

The main image is a series of 5 separate stacks (each 90s long) de-rotated in WinJUPOS.

A single wider-field capture (including Io) is presented in rev B.



Darren (DMach)
License: None (All rights reserved)



Wider-field image including Io, from earlier in the session (used primarily to fine-tune WinJUPOS measurement)


Jupiter 2019-05-03 (UT 19:49 2015-05-02), 


            Darren (DMach)