NGC 3613 is an elliptical galaxy in the constellation Ursa Major. It was discovered by the Grman-British astronomer William Herschel on 8 April 1793. The galaxy has an apparent visual magnitude of 10.8 with an angular size of . It is located at a distance of . NGC 3613 is positioned at the center of a cluster of 12 galaxies that includes NGC 3610.
The morphological classification of NGC 3613 is E6, indicating an elliptical galaxy with a pronounced oval shape. It has an estimated globular cluster population of over 2,000 members. One supernova event has been observed in NGC 3613: SN 2011eh. This TypeIa-pec supernova was discovered by Masaki Tsuboi on 20 July 2011 and reached magnitude 16.2.
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