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Binocs projecting on white cardboard is working great for me. I can also clearly see sunspots. A steady hand works if you don't have a tripod. Warning! Never l
by dwc 14y ago
Binocs projecting on white cardboard is working great for me. I can also clearly see sunspots. A steady hand works if you don't have a tripod.
Warning! Never look at the sun through binoculars directly! Project the image onto white paper or cardboard.
- fennecfoxen 14y agoI can confirm: Binoculars-on-a-stick is really easy and rally great. The only problem is that the darned Sun keeps moving out of alignment. Curse you, rotating-planet-Earth! (Oh. Shameless plug: https://twitter.com/fennecfoxen/status/210152019980333056 https://twitter.com/fennecfoxen/status/210152019980333056 - with a barely-visible sunspot to boot.)
- bdr 14y agoWhy is one side of the circle more red and the other more blue?
- fennecfoxen 14y agohttp://en.wikipedia.org/wiki/Chromatic_aberration http://en.wikipedia.org/wiki/Chromatic_aberration