King 5 and Berkeley 20 UBVRI photometry
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We present multicolour CCD photometry for two poorly studied open clusters (King 5 and Be 20). Photometry for a field near King 5 was also carried out to estimate the...
本文针对两个研究程度较低的疏散星团（King 5与Be 20）提供了多色CCD(Charge-Coupled Device)测光数据。同时，我们还对King 5附近的天区开展了测光观测，以估算……
