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Astronomy Clubs as Non Profit 501-C Organizations
Is your club growing? Shrinking? Here are some thoughts to get you thinking...
Comments on low cost, long focal length 2” widefield eyepieces
The market offers many options for low cost wide fields eyepieces, but they don't deliver sharp performance in the outer 20 to 30% of the field. My thoughts and a proposed solution.
Focal Reducer for Meade 7" MAK
Here's the third article of the three I had planned. Increasing the True Field Of View of the Meade 7" Maksutov.
The Magic Bullet for the SCT
Have you oiled your telescope today?
Can't afford a 4" APO?
Yes, Tommy, there is a good 4" short focus achromat.
SKY-MAP.ORG - How Our Vision was Born
I have never suffered from a lack of imagination. As a child, I spent many hours dreaming of stories written by Ray Bradbury. I carried books by Clifford Simak and Robert Sheckley to school instead of textbooks. I swore to my parents that I had witnessed first hand the stories described by Isaac Asimov. I considered Stanislav Lem a close relative because my great-grandmother was also from Poland...
To Survive in the Universe
"I don't think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet."[1] The SKY-MAP.ORG authors completely share these concerns of Stephen Hawking. The only words we could add are that the greatest threat to the human race is the human race itself.
Lightholder 16" F/4.6
A perfect 16" mirror? If not, its pretty darn close!