Re: Registration

[SFreihof@aol.com]

In a message dated 1/17/99 5:01:58 AM Eastern Standard Time,
deverett@idx.com.au writes:

<< If you also use one of the infrared CCDs you could flood the water with IR
 light and see in complete darkness. >>

If I remember correctly, light in the red (and infrared) wavelengths is
absorbed in the first few feet of water.  Also, the particulates that make
water cloudy would interfere with light transmission regardless of wavelength.
In other words, I don't think this approach would work.