In 2011 a usual Leonid return is expected with overall maximum ZHR up to 15.
在2011年一个平常的狮子座回报预期整体最大ZHR达15。
An electronic report form is available to submit your visual observations, which will automatically be included in a ZHR activity graph.
你可以将你的目视观测结果通过电子表格提交给我们，这将自动包含于ZHR图表中。
An electronic report form is available to submit your visual observations, which will automatically be included in a ZHR activity graph.
你可以将你的目视观测结果通过电子表格提交给我们，这将自动包含于ZHR图表中。
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