Our new ISA program reduces the up-front, out-of-pocket cost of college, so that you can focus on what really matters: your education. We are committed to your future, and with an ISA, you’ll …

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Alternatively, you can send payment (credit card OK) to "[email protected]" using Paypal Paypal now accepts international payments. The password is valid for all chapters. Because of the …

The post-1720 11-year sunspotnumber cycleshad relatively small amplitudesat the beginningof the 19th and of the 20th centuries, and these small amplitude cycleshave been widely …

The measured FWHM is 2.0 arcsec, which agrees plainly with this limitation. In future attempts I should try to get a higher magnification on the webcam so that the actual resolution can be …

Conditions: aquired in Barraba, a small town in New South Wales, Australia; no moon, passing haze and clouds Setup: Borg 100ED F6.4, DF-2 focusser, CFW-8, L (IR reject)+R+G+B filters, …

760 GC31B-0351-F2007.pdf ( (No?)Century-scale Secular Variation in HMF, EUV, or TSI; AGU Fall 2007) 750 SH13A-1109-F2007.pdf (Geomagnetic Underpinning: Wolf's Sunspot Number; …

Finally, in the 21st century the titanic four-meter-diameter solar telescope DKIST is nearing completion and will enable new observation of solar magnetism at the very finest scales. Leif …

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