The open cluster Melotte 111 in Coma Berenices consisting of about 50 stars, the brightest of 4th and 5th magnitudes, scattered over several degrees of sky. The cluster is centred about 285 l.y. away.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。