(full image inverted) --- a0501.fits, NGC_1261, SI filter, 100.0 seconds --- (center 640x480 inverted)

(full image inverted) --- a0501.fits, NGC_1261, SI filter, 100.0 seconds --- (center 640x480 inverted)

(full image inverted) --- a0502.fits, NGC_1261, SI filter, 100.0 seconds --- (center 640x480 inverted)

(full image inverted) --- a0502.fits, NGC_1261, SI filter, 100.0 seconds --- (center 640x480 inverted)

(full image inverted) --- a0503.fits, NGC_1261, SI filter, 100.0 seconds --- (center 640x480 inverted)

(full image inverted) --- a0503.fits, NGC_1261, SI filter, 100.0 seconds --- (center 640x480 inverted)