M13 LRGB
Exposure
Luminance: 60 minutes (20 x 3 minutes)
Colour: 15 minutes (5 x 1) of each of Red, Green, Blue
Colour: 15 minutes (5 x 1) of each of Red, Green, Blue
Camera
QSI583wsg, & Astrodon LRGB filters
Luminance image scale
Colour image scale
Luminance image scale
Colour image scale
running at -15°C
0.69 arcseconds/pixel
1.38 arcseconds/pixel
0.69 arcseconds/pixel
1.38 arcseconds/pixel
Telescope
AT8RC
Mount
Paramount MX+
Guiding
Autoguided with Starlight XPress Lodestar
Processing
32 dark frames per sequence
32 flat frames per filter
Sigma-clip mean combination on the darks and flats
Sum-combination on the light frames
Aligned, combined, and deconvolved with CCDStack2
32 flat frames per filter
Sigma-clip mean combination on the darks and flats
Sum-combination on the light frames
Aligned, combined, and deconvolved with CCDStack2