by Chris Peterson » Fri Apr 08, 2016 10:04 pm
Fred the Cat wrote:I suspect cameras can improve the seeing of color but how much is lost in viewing color with
the naked eyes compared to a telescope? Maybe I'll try the
lesson then investigate adding this
gadget onto my telescope which claims to "bring stunning views of the night sky to a screen in just seconds".
Any CCD camera attached to a telescope will show you more with a couple of seconds of exposure than you can ever see with your eye through an eyepiece. A telescope can't make anything brighter than you see without using a telescope at all, and won't allow you to see color you can't see with the naked eye.
Anyone know how they differ in general from other CCD cameras especially with respect to the need for sophisticated tracking devices?
They are uncooled, and therefore only useful for short exposures (a few seconds or less). Their interface is adapted to video, that is, the rapid production of sequential frames. That's good for transient events, it's good for brighter objects where you can stack images or search for sharper ones. It also means you need no guiding, and only so-so tracking quality.
[quote="Fred the Cat"]I suspect cameras can improve the seeing of color but how much is lost in viewing color with [url=http://english.stackexchange.com/questions/251645/with-naked-eyes-vs-with-the-naked-eyes][i]the[/i][/url] [url=https://www.quora.com/Naked-eye-what-is-the-definition-of-this-phrase-and-where-did-it-come-from]naked eyes[/url] compared to a telescope? Maybe I'll try the [url=http://mo-www.harvard.edu/OWN/pdf/eyeScopeT.pdf]lesson[/url] then investigate adding this [url=http://www.atik-cameras.com/news/introducing-the-atik-infinity/]gadget[/url] onto my telescope which claims to "bring stunning views of the night sky to a screen in just seconds".[/quote]
Any CCD camera attached to a telescope will show you more with a couple of seconds of exposure than you can ever see with your eye through an eyepiece. A telescope can't make anything brighter than you see without using a telescope at all, and won't allow you to see color you can't see with the naked eye.
[quote]Anyone know how they differ in general from other CCD cameras especially with respect to the need for sophisticated tracking devices?[/quote]
They are uncooled, and therefore only useful for short exposures (a few seconds or less). Their interface is adapted to video, that is, the rapid production of sequential frames. That's good for transient events, it's good for brighter objects where you can stack images or search for sharper ones. It also means you need no guiding, and only so-so tracking quality.