Art

* “Robert Glenn Ketchum: Northwest Passage”--”Rainwater Pools and Open Holes on a Massive Floeberg,” above, is among the Ketchum photographs on exhibit at the Craig Krull Gallery.

* “Summer Nights at MOCA”--The Roberto Miranda Sextet kicks off the summer program of free admissions, wine tastings, tours and performances at Geffen Contemporary at MOCA tonight, 5-8 p.m.

* “Christie’s 20th Century and Contemporary Art Preview”--An early look at the June 9 auction of art by David Hockney, Sam Francis, Ed Ruscha and others opens Saturday at the Pacific Design Center.