Most ccd hacks today are based around modding webcams. Back in 2000, amateur astronomer ‘astroturtle’ built his own water cooled CCD camera. It was based on the long discontinued Texas Instruments TC245 CCD chip. Water cooling enhanced by a peltier junction is neccesary just to keep the chip cool enough during operation. The result? 378×242 pixels and a 2 second refresh rate.