PM 1-322: New variable planetary nebula E. Paunzen, K. Bernhard, J. Budaj, F.-J. Hambsch, S. Hümmerich, D. Jones and J. Krtička A&A, 676 (2023) A88 Published online: 10 August 2023 DOI: 10.1051/0004-6361/202346162