没花的是打扰
发表于 2025-3-25 06:27:26
Introduction to Solar Observing and Sketching, never the same twice. Regardless of where your interests lie, from the occasional view to daily sunspot tracking, or rendering the subtle complexity of prominences, the following techniques, hints and tips will help guide you to accurately sketch the Sun’s ever-evolving features.
Colonnade
发表于 2025-3-25 10:24:27
White Light Filters, surface, which is not really a surface at all because it is composed of hot gas 4500–6000 degrees Kelvin. Within this shell a mere few hundred kilometers deep, we can view sunspots, granulation, and faculae. Using simple optical projection techniques or a solar filter, we can observe and record these intriguing features.
overbearing
发表于 2025-3-25 14:46:07
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Contracture
发表于 2025-3-25 17:13:32
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LASH
发表于 2025-3-25 20:20:56
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Infelicity
发表于 2025-3-26 01:44:05
Transits, events are relatively rare, it is necessary to plan well in advance if you wish to sketch them. The benefit you will reap is the wonderful opportunity to witness a transit first hand, and then come away with a unique record of your observation.
中国纪念碑
发表于 2025-3-26 05:59:25
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导师
发表于 2025-3-26 11:41:23
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Onerous
发表于 2025-3-26 15:59:12
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吊胃口
发表于 2025-3-26 16:55:22
Sketching for Science,you have an understanding of the basics, you’ll be able to submit your sketches and reports to organizations that gather scientific research data for astronomy professionals and other amateur astronomers.