IHW COMET RSCN NO-DATA DATA RECORD CROMMELIN V1.0

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and...为筹备针对哈雷彗星(Comet Halley)的协同国际研究计划，IHW主要于二月及后续相关时段针对克默林彗星(Comet Crommelin)开展了观测试运行工作。