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- Feb 15
- 1 min
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
- 2 min
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
- 2 min
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, 2023
- 3 min
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, 2023
- 2 min
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, 2023
- 7 min
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, 2023
- 1 min
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, 2022
- 1 min
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...
- Jun 9, 2022
- 1 min
Numb Fingers Damage Can
Better to start a solargraph at summer solstice than at winter solstice, at least from the perspective of the fingers securing it in...
- Jun 6, 2022
- 1 min
First Solargraph From La Casa de Amistad
A rooftop solargraph on La Casa de Amistad captured unimpeded solar arcs, revealing the path of the sun from January to June. ...