Jupiter and Io (19 August 2023) (rdk_CA)

Contains: Solar system body or event

Jupiter and Io (19 August 2023)

Acquisition type: Lucky imaging

Jupiter and Io (19 August 2023)

Acquisition type: Lucky imaging

This is my first contribution in quite a while! A particularly intense period of work along with a family emergency kept me from being outside under the sky as much as I would have liked over the past year. It is nice to finally get back to observing on a regular basis!

This image above shows Jupiter and Io as they appeared early in the morning on 19 August 2023. It was captured between a break in the clouds between 4:45 and 5:00 am, when Jupiter was at an altitude of approximately 61 degrees. Transparency was highly variable, and in the end I was only able to capture four 90 s video sequences, each about 2500 frames (of which I stacked the best 50%). However, seeing was excellent, so at least the quality of the data that I was able capture between the breaks in the clouds was reasonably good. The frame rate was approximately 50 fps. Following exposure, I used WinJupPos for de-rotation, and then PhotoShop to complete the final image.

I made two major changes to my setup recently that were used for this image. The first is that I acquired a C11 telescope to replace my C8. In addition, I replaced my color planetary camera (based on the IMX 178 sensor) with the higher frame rate, lower noise IMX 585 color sensor. The upgraded telescope / camera made a notable improvement in image quality.

For some reason, I do very much enjoy the colors of Jupiter's cloud bands this year! I hope you enjoy the image -- wishing everyone who sees this clear skies!

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

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Jupiter and Io (19 August 2023)

Jupiter and Io (19 August 2023)

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Jupiter and Io (19 August 2023)

Jupiter and Io (19 August 2023)

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