Page 63 - BBC Sky at Night Beginners Guide to Astronomy - 2017 UK
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WHAT TO USE

































































          shooting at twilight, check your camera’s fl ash: if   a time-delay feature, which is when it waits for   With a simple point-and-shoot
          it’s automatic it will want to do its thing. If you   10 seconds or so before taking the shot, it’s just as   camera you can capture a
          can, turn it off, or else you’ll have to cover it up.   good as a cable release. Turn on the timer, press   stunning night sky
           With the fl ash turned off, the camera’s shutter   the button, stand back and wait for the shutter
          will stay open for longer (in photography this is   to open and close.
          called a longer exposure) to gather the light it
          needs from the dim twilight – perhaps even for    THE NEXT LEVEL
          several seconds. If you’re holding the camera   It really is amazing what you can achieve using
          by hand, it will be almost impossible not to   just a camera on a tripod, let alone using it with
            wobble it a bit during the exposure, and this   a telescope. You can introduce your scope into the
                 can introduce blur to your photos. To   process very simply by holding the camera up to
                 get around this you’ll need a steady   its eyepiece, positioning it where your eye would
                 tripod. If you don’t have a tripod, then   normally go. This way, you can get some great
                 resting a camera on a bean bag works   close-up images of the Moon. Again, wobbly
               just as well to keep the camera steady   hand syndrome is a real threat here. For greater
          when taking a shot.                   stability there are brackets available that will
           Another bit of kit called a cable release is   hold your camera in place at the eyepiece, and   TURN THE
          also handy. This allows you to operate the   they don’t cost a fortune.          PAGE FOR
          shutter remotely and take a picture without   Now that we’ve whet your appetite, have a
          causing any wobble as you press the   go at the three beginners’ astrophotography   3 PHOTO
          capture button down. If your camera has   projects we’ve set out over the page.  PROJECTS
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