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Li Qiongying, Zhao Shiqing, Ma Kaiquan, Li Jiukang. Adjustment and Test of the Hα Filter Attached to the Lyot Heliograph of the Yunnan Observatory[J]. Astronomical Techniques and Instruments, 1989, (1): 21-26.
Citation: Li Qiongying, Zhao Shiqing, Ma Kaiquan, Li Jiukang. Adjustment and Test of the Hα Filter Attached to the Lyot Heliograph of the Yunnan Observatory[J]. Astronomical Techniques and Instruments, 1989, (1): 21-26.
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Adjustment and Test of the Hα Filter Attached to the Lyot Heliograph of the Yunnan Observatory

    Abstract
  • The adjustment and test of the Hα filter attached to the Lyot heliograph of the Yunnan Observatory are introduced in this present article. The penetration bandwidth, working temperature and parameters of the spectral characterics under various off-band conditions have been obtained.
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