Jupiter (f/20) 2022 November 08

08 Nov 2022, 01:17:54 UT (endcapture), Stuart Florida USA.

Clouds: partly cloudy

Seeing: above avg 6/10

Transparency: not recorded

 

Orion Atlas AZ/EQ-G Pro mount, Celestron C8 at f/20 (4160 mm), Celestron Ultima barlow 2x (1.25 in). ZWO ASI224MC color camera, bin 1, 1024x768 px, RAW8, exposure 9 ms, gain 372 (62%), histogram 60-90%, no calibration frames, UV/IR cutoff filter, no guiding, ZWO ADC. Stacked best 32% of 9998 frames, 111 fps, focuser posn 13000, sensor temp 90.5°F.

 

Note: this image is a favorite. It resolves finer detail than the earlier f/10 image taken same day.

 

[Effective focal length (mm) = (206.265 x P x U) / O; where P is target as captured in pixels, U is pixel size in microns, O is known apparent diameter of target in arcsec. f/58 ? Better check the math]

Image scale: 0.11 arcsec/px (Dawes Limit: 0.57 arcsec)

Image comparable to visual via 8mm eyepiece @ 240x

 

Altitude: 61°

 

Capture:

Magnitude: -2.8

Apparent diameter: 47 arcsec

Illumination (phase): 99%

CMI: 225°

CMII: 237°

CMIII: 179°

 

Processing: PIPP (center, crop, sort), Autostakkert3 (stack, drizzle 1.5x), Registax (wavelets, rotate, align RGB), and Photoshop (saturation, TopazAI, resize).

 

The north pole is up, following limb is left.

Done