Sirius Observatory- 2.3m (7.5ft.+) diameter X 1.5m (5ft) wall height mounted on an 8X8 ft. platform. It has three wall pannels with the optional “storage bins” for equipmnent. Keeps all the Vermont weather outside. It allowed me to observe in any season when the sky was clear. Pick up preferred. $4500. For more information e-mail or call John Donaldson (802) 457-3690.