Observation by Geof Lewis: Jupiter with Io in transit - 2 Oct 2022

Uploaded by

Geof Lewis

Observer

Geof Lewis

Observed

2022 Oct 02 - 22:08

Uploaded

2022 Oct 19 - 16:35

Objects

Jupiter

Equipment

C14 XLT
ASI462MC
AP1200GTO

Exposure

8ms

Location

Norfolk, UK

Target name

Jupiter

Title

Jupiter with Io in transit - 2 Oct 2022

About this image

My 2nd session with my new ASI462 camera on the C14. The seeing was better than for it's 1st light, but still very in/out, with focus changing minute by minute, making it difficult to determine best focus. Io and it's shadow were in transit, so I opted for a series of 2 minute SER videos, which I de-rotated in WinJupos before grading and stacking the best 20% in AS3!, with further derotation and stacking of the output TIFFs in WinJupos. Sharpening was done using wavelets in Registax6. The stacked image had a large blur where Io and it's shadow were in transit, so I pasted them back into the stacked and sharpened image from a single SER that represented the correct timestamp of the de-rotated image. Final colour saturation and levels adjustments were applied in Affinity Photo.

Io itself is somewhat lost due to poor contrast aginst Jupiter's bright cloud surface.

Files associated with this observation

Jupiter_2022Oct02_22081_gdbl_rgb(x2).jpg (425.0 kB)

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David Basey, Jeremy Shears, Mike Harlow, Dean Norris

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