Reply to post: Re: the Eagle Nebula dubbed the Pillars of Creation

Hubble 'scope camera breaks down amid US govt shutdown, forcing boffins to fix it for free

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Re: the Eagle Nebula dubbed the Pillars of Creation

You're of course right, I meant that for a CCD the photon energy for visible light is only enough to generate one electron-hole pair per photon - which means than any wavelength info is lost. So yes, you can basically count photons only and that's intensity.

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