HELIOsphere, started in 2017 is sponsored and run by NASF3, New Amsterdam Science Fiction and Fantasy Fandom, Inc.

Convention Dates GoHs
HELIOsphere 2017 March 10-12, 2017 Jacqueline Carey, David Gerrold, Danielle Ackley-McPhail, Charles Gannon, Heidi Hooper
HELIOsphere 2018 March 9-11, 2018 Eric Flint, Charles Gannon, Cecilia Tan, Mark Oshiro, Tom Kidd
HELIOsphere 2019 April 5-7, 2019 Charlie Jane Anders, Laura Antoniou, Tom Smith
HELIOsphere 2020 April 3-5, 2020 TBA
HELIOsphere 2021 April 9-11, 2021 TBA
http://www.heliosphereny.org {$files} . 2017 .

This is a convention page. Please extend it by adding information about the convention, including dates, GoHs, convention chairman, location, sponsoring organization, external links to convention pages, awards given, the program, notable events, anecdotes, pictures, scans of publications, pictures of T-shirts, con reports, etc.