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OBSERVING THE ECLIPSE SAFELY WARNING While this unusual scientific phenomena will attract a lot of attention on the part of the public, there are some very real health hazards associated with an eclipse. Under no circumstances should anybody attempt to view the eclipse directly. Doing so even for a short period of time like a few seconds can result in permanent damage to the eye. The public is also warned NOT to view the eclipse through any kind of screening material such as welder's helmets, exposed film, or smoke or tinted glass. Parents should closely supervise their young children during the eclipse to make sure that youngsters are not tempted to look directly at the sun, even for a couple of seconds. One way of looking at the eclipse is by the use of a Sunscope, and the instructions on how to build one are ontained below. However, the Sunscope must be used correctly. Improper use during the eclipse can result in eye damage. BUILDING AND USING A SUNSCOPE ; 1. Fasten a piece of white paper over the inside of one of the small ends of an oblong cardboard box about 1' x 2 x 3. 2. Cut a 1"" square hole in the opposite small end. Cover the hole with aluminum foil. 3. Make a pinhole in the foil. & 4. Cut a hole slightly larger than your head in the bottom of the box. 5. Seal all light leaks with black tape or paper. To use the sunscope, STAND WITH YOUR BACK TO THE SUN, the box over your head, and look at the image projected through the pinhole onto the white paper. You can have a trial run before the eclipse by using the sunscope to watch clouds passing by in front of the sun. NOTE: DONOT LOOK AT THE SUN DIRECTLY OR THROUGH THE PINHOLE -- LOOK AT THE IMAGE PROJECTED ON THE WHITE PAPER. This device is only safe if constructed and used as outlined for INDIRECT VIEWING. Another method is described here and illustrated to the right. A small mirror is covered with a cardboard except for-a hole the size of a quarter cut in the cardboard. The mirror is angled so that the Sun's image Is cast on to a wall or screen that is in shadow. An image of the Sun's disk results. The progress of the Moon in front of the Sun can then be followed with as much detail as in any direct observation. PORT PERRY STAR -- Wed., February 21, 1979 -- 13 LAST ECLIPSE THIS CENTURY - This eclipse is particularly note- worthy as it is the last total eclipse visible from North America this century. Although the area of the TOTAL ECLIPSE does not ifclude highly populated regions of Ontario, the PARTIAL ECLIPSE will be visible over the entire province. TIME OF ECLIPSE - At approximately 11:09 EST on the morning of 'Monday, February 26, 1979, the centre of the shadow of the Moon will touch the Earth in the North East Pacific Ocean beyond the coast of the state of Washington. Sweeping eastward and a bit south, the shadow will have passed south of the mouth of the Columbia River by 11:14 EST. Having crossed the northern American states the shadow centre will enter Canada near Estevan, Saskatchewan, at approximately 11:42 EST. The mid point of the path of the shadow will pass through Brandon, Manitoba, a few minutes later and by 11:53 EST it will enter north-western Ontario. Paralleling the Severn River the shadow path will sweep across Hudsons Bay reaching Baffin Island at 12:36 EST and _ending over the interior of Greenland at 12:39 EST. DIRECT OBSERVATION OF A PARTIALLY ECLIPSED SUN MAY RESULT IN PERMANENTLY IMPAIRED VISION! IN SCUGOG TOWNSHIP- The first contact with the eclipse in Scugog Township will take place at approximately 10:50 A.M., and by 12:08 P.M. the maximum percentage of coverage of the sun will take place (74.2%). WHAT CAUSES AN ECLIPSE? - An eclipse of the Sun occurs when the Moon in its orbit about the Earth passes between the EArth and the Sun. Because all three bodies are approximately in line, the shadow of the Moon falls on the earth. Although the Moon is smaller than the Sun it is much closer to Earth, and as a result it appears from Earth to be the same size as the Sun. From inside the Moon's shadow of the UMBRA, the Moon seems to cover the Sun and a TOTAL ECLIPSE is seen. From within the PENUMBRA, the shadow of the Moon covers only part of the sun and a PARTIAL ECLIPSE occurs. \ Hole in Cardboard Covered flat Mirror Image of Eclipsed Sun Projected by Mirror CS EC HGHIT ER AG RIORI S SAE