Prompt
Create an image of a female American astronomer in her mid-40s, sitting at a desk with a backdrop of a observatory, surrounded by papers, books, and a few star charts. She has a thoughtful expression, with a pen in her hand and a notebook open in front of her. She is wearing attire typical of the late 19th or early 20th century. Incorporate subtle hints of her work, such as a classification chart or a reference to the Draper Catalogue, in the background. The style should be realistic, with a muted color palette that evokes a sense of nostalgia and intellectualism.