A busy weekend at The Church in Sag Harbor will include stargazing with the Vanderbilt Museum’s mobile planetarium, a writing workshop, and a “drawing happening.”

LTV Studios will host a Vampire Masquerade Thursday and Our Fabulous Variety Show’s Disco Ball fund-raiser on Saturday.

The Southampton Cultural Center will host a recital by Tian Tang, a prize-winning concert pianist, and a jazz jam session featuring Real East End Brass.

Tiler Peck to talk at Guild Hall, an auction of Tony Walton memorabilia, and Halloween fun at the Sag Harbor Masonic Club and Southampton Arts Center.