

AT12 RC modification and cleaning
It has already been two years since the Astrotech 12'' RC became the workhorse of Asteria observatory. It has already logged tens of...


Galaxies galore (Abell 1656 cluster in Coma Berenices)
Can you count all the galaxies? This field is just 25x15 arc minutes. Only a quarter of a degree across. Yet, not unlike the Hubble Deep...