Relative Sunspot Number Observed from 2002 to 2011 at ButterStar Observatory
The ButterStar Observatory at the Dongducheon High School has been working for photographic observations of the Sun since October 16, 2002. In this study, we observed the Sun at the ButterStar observatory for 3,364 days from October 16, 2002 to December 31, 2011, and analyzed the photographic sunspo...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
The Korean Space Science Society
2012-06-01
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Series: | Journal of Astronomy and Space Sciences |
Subjects: | |
Online Access: | http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2012/v29n2/OJOOBS_2012_v29n2_103.pdf |