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Monday, October 27, 2003

In the news:

Large areas of southern California are on fire. It doesn't help that the Santa Ana winds, that I visited last January, are whipping up the flames. They have just begun to subside.

Only the Camp Pendelton fire has a known cause so far.
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I spent most of Sunday cleaning my kitchen:


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At least one more:


Cassiopea 13 sec, f/2.5, 35mm lens, D100

Previously my digital sky pictures had a lot of hot pixel noise, which could mimic the appearance of stars at web-viewing resolution. The 'kon provides a noise-reduction mode that eliminates hot pixels from the background noise by automatically subtracting an equally timed exposure made with the shutter closed.

I can see doing a lot of this. It should be possible, given an unlimited supply of time, money and smarts, to devise a sky scanner using a computer driven telescope mount and computer controlled camera (the Nikon Capture program will allow the camera to be run over the usb connection) that would map the sky entirely unattended.
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© Copyright 2003 by Chris Heilman.