To get you the exact information you need, could you clarify: Are you referring to the ? Or perhaps a patent document ?
An artist mentions photographing their work "pre-varnish" to avoid glare, a technique they call "photographed pre-varnish". photograph ov
Based on the search results, the phrase "photograph ov" appears in several contexts, most notably regarding botanical/mushroom descriptions and specific patent filings. To get you the exact information you need,
The phrase appears as a photo credit in studies on mushroom diversity, specifically referencing photographs by O.V. Morozava . Orbiter OV-101 - Space Shuttle Enterprise)
OV stands for Orbiter Vehicle (e.g., Orbiter OV-101 - Space Shuttle Enterprise), used in reference to NASA documentation.