2023-10-22
==========

 jupiter_20231023_IP_00000442.fits
 jupiter_20231023_RP_00000437.fits
 jupiter_20231023_GP_00000421.fits

 jupiter_20231023_rgb.jpg
 jupiter_20231023_rgb.png
 jupiter_20231023_g_asinh.jpg
 jupiter_20231023_g_linear_detail.
 

The FITS images are selected for best seeing from several taken at 
Mt. Lemmon near Tucson, Arizona, over a few minutes ending at for the
Sloan r' image

2023-10-22 03:24:41 Mountain Standard Time   
2023-10-23T10:24:41 UTC

Telescope: ULMT 0.6 meter Ritchie-Chretien 
Camera: ZWO ASI 16200 9576x6388 pixels
Scale: 0.16 arcsec/pixel
Resolution: ~0.2 arcsec
Exposure: 100 milliseconds
Filters: Sloan i', r', and g' 



The FITS images are raw data that were processed in AstroImageJ to produce the
color composite images in PNG and JPG formats.   Color maps i' to red, r' to
green, g' to blue emphasizing the near infrared as red. These images are shown
with north up and west to the right.  The satellites are visible in order from
east to west: 

Callisto out of the field of the detailed images
Europa
Io
Ganymede (by itself on the west side)

Two gray-scale images in JPG format were produced with SAOImage ds9  from the g'
FITS data to show the detail around the Great Red Spot that is lost in the color
composite because the image quality of the other filters is not as good as this
one.  ASINH mapping alters the gray scale to widen the dynamic range of the
display.