Re: New idea for solar filter? ... > automatic on something as dangerous as viewing close to the Sun.... > one being to hid the Sun behind a building or other fixed object so that ... > there is no danger of it being seen through the scope when you're scouring ... > I know a lot of guys like being clever, but is also being too clever for ... (sci.astro.amateur)
Re: New idea for solar filter? ... > automatic on something as dangerous as viewing close to the Sun.... > one being to hid the Sun behind a building or other fixed object so that ... > there is no danger of it being seen through the scope when you're scouring ... > I know a lot of guys like being clever, but is also being too clever for ... (sci.astro)
Re: New idea for solar filter? ... automatic on something as dangerous as viewing close to the Sun.... there is no danger of it being seen through the scope when you're scouring ... >> The telescope has a computer, and the computer has a date and time. ... >> automatically cuts in the solar filter.... (sci.astro)
Re: New idea for solar filter? ... automatic on something as dangerous as viewing close to the Sun.... there is no danger of it being seen through the scope when you're scouring ... >> The telescope has a computer, and the computer has a date and time. ... >> automatically cuts in the solar filter.... (sci.astro.amateur)
Re: How Archimedes Solar Death Ray Could Have Worked ... >into a mirror and focus it all on point ... ... >than enough light hitting that point to raise it to a temperature much ... If the focus point were hotter than the Sun,... (rec.arts.sf.science)
