12/25/2000 12:29 PM EST |
12/25/2000 1:12 PM EST |
12/25/2000 1:12 PM EST |
12/25/2000 1:28 PM EST |
12/25/2000 1:43 PM EST |
12/25/2000 1:53 PM EST |
12/25/2000 2:04 PM EST |
12/25/2000 2:11 PM EST |
12/25/2000 2:18 PM EST |
12/25/2000 2:18 PM EST |
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The next day! Note how the Sun Spots have moved. Camera Horizontal 12/26/2000 11:00 AM EST |
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- Camera Vertical Notice the spots have rotated! 12/26/2000 11:01 AM EST |
Solar Images taken with a Sony Digital Mavica, MVC-FD91
Shooting through a #10 arc welding filter.
72.8 mm, 1/2000, f=9.5
Greg
using the pin-hole viewer.
The
Pinhole Projection Method
A great way to recycle empty Christmas gift-wrapping paper rolls!
Partial
Solar Eclipse of December 25, 2000 - full details on the final
eclipse of the Second Millennium on Christmas Day, visible for observers
throughout most of North America.
A
Partial Solar Eclipse for Christmas - overview from Sky & Telescope.
Partial Solar Eclipse -
Christmas - 25 December 2000 - diagrams and information from the Discovery
Channel.
Partial
Solar Eclipse 2000 - offers a detailed map that can be used for estimating
eclipse magnitudes and Universal Time of maximum eclipse for locations
throughout the North American continent.
More Sunspot Links
Sunspots and the Solar Cycle - up-to-date
monitoring of the sunspot cycle and Earth's aurora.
Exploratorium's Guide to Sunspots
- explore the nature of sunspots and the fascinating history of our efforts
to understand them.
Sunspot Numbers
- introduction to how they were first computed by Rudolph Wolf in 1848, and
how they are computed today.