The event is April 7-9, 2017 in Tarrytown, NY. More details at their web site.
Guests at this convention include:
Writer Guest of Honor Ben Bova
Artist Guest of Honor Bob Eggleton
Fan Guest of Honor Roberta Rogow
Musical Guests Boogie Knights
Special Guest Artist Marianne Plumridge
And most of them will have ConCardia cards to give out.
If you are interested in having a card at Lunacon, email email@example.com.