Georgina Dransfield, Amaury H M J Triaud, Tristan Guillot, Djamel Mekarnia, David Nesvorn&yacute;, Nicolas Crouzet, Lyu Abe, Karim Agabi, Marco Buttu, Juan Cabrera, Davide Gandolfi, Maximilian N G&uuml;nther, Florian Rodler, Fran&ccedil;ois-Xavier Schmider, Philippe Stee, Olga Suarez, Karen A Collins, Mart&iacute;n D&eacute;vora-Pajares, Steve B Howell, Elisabeth C Matthews, Matthew R Standing, Keivan G Stassun, Chris Stockdale, Samuel N Quinn, Carl Ziegler, Ian J M Crossfield, Jack J Lissauer, Andrew W Mann, Rachel Matson, Joshua Schlieder, George Zhou. (2022). HD&nbsp;28109 hosts a trio of transiting Neptunian planets including a near-resonant pair, confirmed by ASTEP from Antarctica (Vol. 515).