Messier 3 (M3 or NGC 5272) A globular cluster of stars in the northern constellation of Canes Venatici. Discovered by Charles Messier on May 3, 1764, and resolved into stars by William Herschel around 1784.
Martz-Kohl Observatory
non-profit organization devoted to the amateur astronomer
Messier 3 M3

Tagged with Canes Venatici, M3, Messier 3
Please Donate
The Marshal Martz Memorial Astronomical Association, Inc. is a 501(c)(3) charity.
You can also support the observatory with purchases from our online store.
Visitor Comments
The volunteers are super friendly and very knowledgeable about our solar system. Great place for field trips, birthday parties, and seminars! ~Holly N
Follow us
Copyright © 2025, Martz-Kohl Observatory.