Messier 5 (M5) is a globular star cluster in the Serpens constellation. Its alternative designation is NGC 5904.
Image taken using the Schulman Foundation’s 24-inch telescope on Mt. Lemmon, AZ. Local telescope operation and gray scale frames by Adam Block, University of Arizona. L(L1+L2)RGB image processing by JDS.
Click for larger view and more details (including purchasing options).