Ok, I have found a way to do this:
Load all the Ekos produced FITS files into the "Conversion" tab of Siril
Use the "Convert" button, with the "Debayer" box checked to create new FITS files that have R,G, and B channels.
This method changes the FITS header from:
BITPIX = 16 / number of bits per data pixel
NAXIS = 2 / number of data axes
NAXIS1 = 4144 / length of data axis 1
NAXIS2 = 2822 / length of data axis 2
to:
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 3
/ number of data axes
NAXIS1 = 4144 / length of data axis 1
NAXIS2 = 2822 / length of data axis 2
NAXIS3 = 3 / length of z axis (mostly colors)
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So how do I coerce my SV405CC into producing 16 bit color images , within the KStars/Indi/Ekos eco-system?
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selection from my '.esq' file:
more WASP-48.esq
<?xml version="1.0" encoding="UTF-8"?>
<SequenceQueue version='2.6'>
[snip]
<Job>
<Exposure>60</Exposure>
<Format>Raw 16 bit</Format>
<Encoding>FITS</Encoding>
[snip]
</Job>more WASP-48_Light_240.fits
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 2 / number of data axes
NAXIS1 = 4144 / length of data axis 1
NAXIS2 = 2822 / length of data axis 2
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 32768 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
ROWORDER= 'TOP-DOWN' / Row Order
INSTRUME= 'SV405CC ' / Camera Name
EXPTIME = 6.000000E+01 / Total Exposure Time (s)
[snip]
FRAME = 'Light ' / Frame Type
IMAGETYP= 'Light Frame' / Frame Type
XBAYROFF= 0 / X offset of Bayer array
YBAYROFF= 0 / Y offset of Bayer array
BAYERPAT= 'GRBG ' / Bayer color pattern
FOCALLEN= 7.520E+02 / Focal Length (mm)
APTDIA = 1.500E+02 / Telescope diameter (mm)
SCALE = 1.270172E+00 / arcsecs per pixelI am suspicious of "NAXIS = 2 / number of data axes"
I think there should be a 3rd data axis , the 3rd one being for the color.
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I am trying to capture FITS format images in 16-Bit-RGB, but they are coming in as 16-Bit monochrome.
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When using the INDI SVBONY driver, my SV405CC is creating 16-bit mono FITS images?
When I open the FITS image, using Kstars "fits viewer" , then save the image under a different filename, it becomes RGB, and trebles in size (~24mb to ~75mb)
Any ideas?
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Rebuilding the INDI Svbony driver from source code on the target machine solved my difficulties.
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