A t 7 o’clock in the evening, seven days a week, I can be found sitting on one end of my bed in Manhattan, posed in front of my phone as I address hundreds of strangers. Some teenagers showed up at the parking lot with a telescope and projected the sun on a piece of cardboard. The smaller hole is going to be your viewing window. Step 2. If you're using a telescope, be sure that any small finder telescope is capped. Aug 18, 2017 - You can make an effective pinhole viewer to safely observe the Sun, sunspots or a solar eclipse. Definitely worth a try at any rate - the thing that got me into astronomy in the first place was watching the Transit of Venus through a shoe box pinhole camera. Tape the foil over the rectangular hole in the box. 2. In past columns I have instructed folks on how to build a solar eclipse viewer using a shoe box. Use a pencil or pen to trace a 1”x1” (2.54 cm x 2.54 cm) hole on one of the box’s smaller ends. One safe way to observe sunspots or eclipses is to project an image of the Sun through a telescope or binoculars onto a white screen -- paper plates, walls and sidewalks all work nicely. Create a square hole to aim at the eclipse. To make an effective and safe solar viewer for eclipses and sunspots, get a shoe box or larger and cut two 1" holes in one end and tape a white piece of paper to the inside wall opposite the holes. Stand with your back toward the Sun. Hold on to your shoe box viewers! Here’s what we saw in our shoebox viewers before the sun disappeared behind the trees. If you were to view a solar eclipse with a pinhole viewer, you would see a dark circle slowly move across the sun. As a complete alternative to the “shoebox” solar viewer described in the text (“Sunspot Viewer”), you can make an excellent sunspot and solar eclipse viewer by using a set of binoculars to project sunlight onto a board. Making the Sun Viewer Step 1. Tape the sheet of paper on the inside of the other end of the box. The pinhole narrows the amount of light rays that can enter into the viewer, and causes a similar effect as a converging lens does. Confessions of a Cam Girl in an Age of Loneliness. It was really cool, and the image was big enough that you could see a sunspot! Watch this video from Boy's Life Magazine on how to make a shoebox pinhole viewer. This window needs to be bigger than the previous one, cut it about 5 cm high. The larger sunspot viewer might be a better option for a group to sit around the screen and draw their observations. Similar in principle to a pinhole camers , you might google "pinhole eclipse viewer" or similar for more info . What you get is an inverted image of the Sun. Use the pin to poke a tiny hole in the center of the foil. This pinhole viewer is a personal viewer only one person can look through at one time. Place it near the edge of the box’s bottom, but leave about a half-inch of space between the hole and the edge so you don’t accidentally tear the edge when you make your cut. Point the pinhole end at the sun , there will be an inverted image of the sun on the paper if you've lined it up properly . Solar Viewer for partial or total eclipses or sunspots. Place the box over your head with the pinhole towards the Sun. Cut another window directly above the first. Larger sunspot groups might be visible but you might find that getting enough contrast is an issue. Possibly. Take a cardboard box and cut a window at one of the short ends. Cut the window as wide as the box and about 3 cm high. shoebox , and tape a piece of white paper inside the other end . Something that occurs more frequently is sunspots. If you're using binoculars, keep the cover on one of the two tubes.
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