she was the first woman to discover a comet. she discovered seven more comets between 1789 and 1797. the comet 35p/herschel-rigollet is named in her honor, as well as the lunar crater c. herschel, and the planetoid (281) lucretia. she also is famous for her work with her brother. she aided him in his studies. she reorganized john flamsteed's "british catalogue", which listed nearly 3,000 stars.