Jupiter on September 2nd 2023 IR(G)B & IR (MrCrazyPhysicist)

Jupiter on September 2nd 2023 IR(G)B & IR

Acquisition type: Lucky imaging

My first image of the 2023 Jupiter apparition. Despite the poor-fair seeing, I could resolve some small-scale features in IR. The GRS seem to have transformed into a

. The synthetic IR(G)B suffers from the bad seeing in the blue channel, so I had to derotate ~ 30 mins of data, which leads to the blue tint in the f-hemisphere of Jupiter. I also used a too small autocrop in Firecapture, leading to some significant artifacts at the p-edge which could only be mitigated by aggressive clone stamping and histogram corrections, so the edge of the planet appears quite artifical.

02.09.2023 (03:30 UT - 04:07 UT)

Celestron C14 Edge HD @ f=9300 mm
+ Celestron CGE Pro mount
+ Celestron EF
+ ZWO ASI 290 MM
+ Baader 2x VIP Barlow
+ ZWO EFW
+ Astronomik RGB filter
+ Baader IR (685 nm) filter
+ Tempest Cooler
+ Omegon Dew Heater
+ Astrozap Dew Shield for C 14

B: 9 x 60 s SER movies/channel
IR: 7 x 60 s SER movies/channel
~2500 - 3000 frames/movie
2x2 bin

recorded with Firecapture

Jupiter 50° above the horizon.
Seeing: poor-fair

For those interested, I added an uncommented video, how I typically check collimation and capture Jupiter data with the C14:

Jupiter August 12th 2022 - Part1 Data Acquisition (Poor-Fair Seeing)

and a video regarding the IR(G)B data processing:

Jupiter August 12th 2022 - Part2 IR(G)B Data Processing

Postprocessing:
-----------------------

Autostakkert!3:
Stacking 50% of the frames/movie (IRRGB)

Registax:
wavelet sharpening

IR(G)B image:

WinJUPOS:
- image measurement of IR & B images
- image de-rotation of IR & B images
- create synthetic green channel G by derotation of IR & B master images
- create IR(G)B image from IR, B and synthetic G channel

Photoshop CS2:
remove green color tint, increased color saturation, unsharp mask, contrast enhancement by curves transformation, decreased color saturation at eastern and western edge of the planet

Topaz Denoise 6:
noise reduction

Adobe Lightroom 6.14:
changed color of the GRS from yellow to orange using HSL color corrections, resulting in an overall more realistic color representation of the Jovian atmosphere

Photoshop CS2:
image size increased by 150% using bilinear interpolation

Schwentinental (Germany)

-CS Daniel

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