Observations of pores and surrounding regions with CO 4.66 μm lines by BBSO/CYRA Yongliang Song, Xianyong Bai, Xu Yang, Wenda Cao, Han Uitenbroek, Yuanyong Deng, Xin Li, Xiao Yang and Mei Zhang A&A, 669 (2023) A79 Published online: 12 January 2023 DOI: 10.1051/0004-6361/202244600