Messier 45 (M45) is an open star cluster in the Taurus constellation. M45 is better known as the Pleiades or Seven Sister star cluster.

Image shows the Messier 45 star group and nebulae. Taken using the Schulman telescope.

In remembrance of my late colleague Patrick Steptoe, British surgeon who was a pioneer in the field of gynecologic laparoscopy and co-developed, with Robert G. Edwards, the original methods of in vitro fertilization (IVF).

Click for larger view and more details (including purchasing options).