Observations of Ellerman bomb emission features in He i D3 and He i 10 830 Å Tine Libbrecht, Jayant Joshi, Jaime de la Cruz Rodríguez, Jorrit Leenaarts and Andrés Asensio Ramos A&A, 598 (2017) A33 Published online: 27 January 2017 DOI: 10.1051/0004-6361/201629266