Don't worry Al, it will definitely be comfortable. With the newly lined 6x6 meter shed and the observatory lower section available, I plan to run a number of classes out here and not just in Astronomy. I looking at running native plant identification classes, basic bush regeneration, possibly some horticulture short course, sustainable small crop practices and maybe the odd astronomy and astrophotography course

. So when I teach, comfort is definitely important.
John you wouldn't happen to have an electrician up your sleeve somewhere would you. The last damn electrician I hired blew the budget for me getting the power expanded in the shed.