(full image inverted) --- a0401.fits, NGC_1904, SI filter, 100.0 seconds --- (center 640x480 inverted)
(full image inverted) --- a0402.fits, NGC_1904, SI filter, 100.0 seconds --- (center 640x480 inverted)
(full image inverted) --- a0401.fits, NGC_1904, SI filter, 100.0 seconds --- (center 640x480 inverted)
(full image inverted) --- a0402.fits, NGC_1904, SI filter, 100.0 seconds --- (center 640x480 inverted)