"ongoing exhibition" is correct and usable in written English.
You can use it to describe an exhibition that has already started and is still in progress. For example, "The museum is hosting an ongoing exhibition of Ancient Greek artifacts".
After the performance, their amplifiers and guitars were rendered in salt for an ongoing exhibition.
They are American Indians, enlisted by the museum to help plan the ongoing exhibition, which focuses on the last 500 years of native history.
As part of Storylines, an ongoing exhibition of contemporary art associated with larger narratives, the Guggenheim museum in New York is offering a rare delight of cinematic maximalism – and masochism – with marathon screenings of artist Matthew Barney's complete Cremaster Cycle.
What's certain is that this ongoing exhibition Shunga: Sex and Pleasure in Japanese Art raises important questions about the juncture between art and free speech, some of which are unique to our digital age.
Organized by the whip-smart curator Eungie Joo, "Hub" is an ongoing exhibition series that is also a rhizomatic experiment, in which five institutions — Insa Art Space in Seoul, Museo Tamayo Arte Contemporáneo in Mexico City, Townhouse Gallery of Contemporary Art in Cairo, and Van Abbemuseum in Eindhoven — collaborate on programming.
For an ongoing exhibition at the Fogg Art Museum titled "Investigating the Renaissance," Mr. Spronk includes a computer kiosk that allows visitors to peer beneath the surface of the paintings on display and to follow how they have changed over time.
The Brazilian pop star and former Culture Minister Gilberto Gil performed there in July, while one of the Niemeyer's ongoing exhibitions — by the Spanish movie director Carlos Saura on the subject of light — will travel to Brazil next year.
And collections of his vivid watercolors are constantly traveling on a national circuit of museums, including two ongoing exhibitions, one with his son Brian that was the inaugural program for the new quarters of the National Center for Children's Illustrated Literature in Abilene, Tex.
The myriad envisaged dance and theater performances and workshops and run-throughs and open rehearsals and panel discussions, not to speak of the ongoing exhibitions at the Drawing and Freedom Centers, will eventually attract some combination of tourists and arts lovers from the neighborhood and uptown and beyond.
They list nightly openings, as well as ongoing exhibitions.
