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介绍了 2011 年上海天文台卫星激光测距系统的常规观测情况。本年度对激光测距接收终端系统进行了改造，提高了激光接收效率并满足了测距系统观测试验需求。开展了提高大能量激光器输出功率等空间碎片测距系统改造工作，使目标圈次测量成功率达 50%，为该测量技术进一步发展打下了基础。
Delta Scorpii 2011 periastron: worldwide observational campaign and preliminary photometric analysis
Delta Scorpii Diff erential Photometry
2011/9/28
Delta Scorpii is a double giant Be star in the forefront of the Scorpio, well visible to the naked eye, being normally of magnitude 2.3. In the year 2000 its luminosity rose up suddenly to the magnitu...
Lunar Eclipse of June, 15, 2011: Three-color umbra surface photometry
Lunar Eclipse Three-color umbra
2011/9/29
The paper contains the preliminary result description of the photometric observations of the Moon surface during the total lunar eclipse of June, 15, 2011 conducted in southern Russia and Ukraine in t...