Jupiter - September 28th, 2023 (CrazyPanda)

Contains: Solar system body or event

Jupiter - September 28th, 2023

This image is an untracked capture of Jupiter comprised of the four best 12,000 frame captures from a 45 minute session.

Conditions:

High humidity & high level haze. Transparency was 3/5.
Jupiter approximately 54 degrees altitude
Seeing was very good

Equipment

14.7" DIY dobsonian with Lockwood primary
2.7x APM Coma Correcting barlow in stock configuration
ZWO ASI224MC with Baader IR Cut filter

Capture

Untracked
Position Jupiter just at the edge of the field, start recording, let it drift, press pause when it reaches the other side of the field, re-position, and start again until 12,000 frames captured. Repeat several times.
Firecapture
5ms exposure
Gain 265 (this kept histogram roughly at 65%)
Full field of view since I was doing manual tracking (150FPS max)

Processing

PIPP to crop and stabilize since I needed the full field during capture and couldn't set an ROI. Cropping keeps the file size low for future storage, and speeds up downstream processing.
AutoStakkert to stack.
Kept 25% best frames.
Stack each video 8 times using different sized APs. This produces a slightly different noise pattern in each stacked image without changing the macro alignment of details.
Load each of the 8 stacked images into Photoshop as a smart stack, go to Layers -> Stack Mode -> Median. This provides a *tiny* bit of noise smoothing before processing.
Sharpen and color correct each re-stacked image in Astra Image. Lucy Richardson Deconvolution.
Identified the four best of about a dozen final sharpened images, and then derotated in WinJupos
Final levels, smart sharpening, and unsharp mask in Photoshop.

Original
Final
B

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
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.

Status	n/a
Started	n/a
Astrometry.net job	n/a
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Jupiter - September 28th, 2023

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Image Index:

Contribution Index (beta):

Jupiter - September 28th, 2023

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Acquisition details

Description

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