="true" external="true" href="cameraNoise.png">
	<img src="cameraNoise-sm.png" title="Camera noise - click to enlarge" class="imgCenter">
</a>
</p>
<p>
Noise increases with temperature and exposure length.
You won't notice noise in a daylight image
because it's significantly brighter than the noise,
but with long exposures at night you'll likely see it.
Newer cameras tend to produce <i>less</i> noise, but they still produce it.
</p>
<blockquote>
Even expensive cameras like the Hubble Space Telescope produce