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Jan 132 min read
Solargraph Fail
I put a lump of coal in my own stocking. When I opened a solargraph can that I had mounted with high expectations I discovered the...

Jan 51 min read
Solar Path Over Lake Huron
A solargraph at Lexington, MI, shows the path of the rising sun over Lake Huron during the second half of 2024. Original solargraph in...

Feb 15, 20241 min read
Eclipse-2024 Promotion
A one-page flyer linking to my Eclipse-2024 page shows the landing site, the QR Code, and the URL. You are welcome to share the...


Jan 21, 20242 min read
Eclipse Highlights Not To Miss
Prepare for the bizarre. First-time eclipse observers should anticipate several unique phenomena during a total solar eclipse, for you...

Jan 15, 20242 min read
Eclipse Blitz on January 18
The sun twinkle? Slithering bands of darkness on the ground? Planets in the daytime sky? Shadows that are sharp while others are...


Dec 30, 20233 min read
Best Ways To Project The Sun
You can project the sun safely during a solar eclipse with several simple techniques. If you have a flat surface with a small hole in...


Nov 9, 20232 min read
Good Sol Solargraph
A solargraph exposure ended prematurely when the subject matter--a sundial on a stand in the foreground--fell over after about three...


Oct 31, 20237 min read
Solar Eclipse Activities
Solar eclipse activities were presented by members of the Great Lakes Planetarium Association (GLPA) at a 2023 state meeting hosted by...

Jan 9, 20231 min read
Sundial Solargraph
Sundials are exquisite. Quietly and with no moving parts, a shadow and a line give excellent time. Solargraphs are brute force archives...

Jul 6, 20221 min read
Solargraphs Match the Scene
A pair of solargraphs mounted on a house downspout capture both the solar arc over six months and landscape highlights. Each image below...