Ken leads the Telescope Construction Session
With several students having completed their mirrors, and several more very close,
we had a discussion on building a Dobsonian telescope. |
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Ken describes a mirror cell. |
Mirror Class in the Bunkhouse. |
Ken describes the parts of a "Dob" |
A New 16-inch Pitch Lap
Jim's Lap likely got contaminated, leading to some scratches.
The cure was pour a fresh lap. |
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Jim removes the old pitch |
Jim melts pitch |
Jim with the new lap. |
Also in the Bunkhouse
It was a bitter cold day outside, so not many club members were outside working.
Instead, we had a good gathering all day in the bunkhouse. Mirror class student Janet was grinding,
while Glenn, who just completed his 10-inch last month, got started on a 6-inch. |
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Members keep warm by the stove. |
Janet rough grinds |
Grooving a Glass Tool |
Figuring in the McGregor
Scott and Dave continued to figure in the McGregor; both a very close to done.
Janet polished out, and will start figuring next month. |
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Dave Demonstrates a Stroke. |
Joyce Trims her Pitch Lap |
Jim Presses his Lap |
Last Month, at the Winter Star Party
Is that our own Worker Bee Tom 2, not working? |
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Worker Bee Tom 2 at the WSP |
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