NEVER EVER look directly at the Sun, with your naked eye or through a telescope, as this will cause immediate and permanent blindness. Introduction to Solar Telescopes Coronado PSTs, Lunts or Solarscopes? An introduction to...
Although the Sun is completely made of gas, the density and temperature of the gas changes drastically as you travel from the outermost regions to the center. Scientists look at different layers of the Sun...
Unlike white light filters, hydrogen-alpha (H-alpha) filters work by transmitting only one specific wavelength of light. This wavelength is a deep red color of light emitted by hydrogen atoms, which make up the bulk...
White light filters transmit the entire visible spectrum of light but attenuate it to a level that makes observing safe. A filter designed for visual observation transmits only 0.001% of the sun’s light. Solar...
