This photograph of a man with a telescope on a tripod was made by Lesueur, but we don't know exactly when. This image speaks to a moment when new technologies were changing not only how people lived, but also how they saw the world, and their place within it. The man’s relaxed pose belies the revolutionary nature of what he’s doing. Before the advent of photography, gazing at the stars was a more communal and interpretative activity, more speculation than pure observation. With photography, the observer becomes more private, focused on capturing and analysing what the telescope reveals. The image raises questions about access to knowledge, and about the public role of science. To understand this photo better, we might research the history of astronomy in the Netherlands, and the way that photography changed scientific observation. It reminds us that art is always embedded in a particular time and place, shaped by cultural, social, and technological forces.