Explanation: Most globular star clusters roam the halo of the Milky Way, but the globular cluster NGC 6366 lies close to the galactic plane. Located about 12,000 light-years away in the direction of the constellation Ophiuchus, the cluster’s starlight is dimmed and reddened by interstellar dust in the Milky Way when viewed from Earth. Consequently, the stars of NGC 6366 appear golden in this telescopic image, particularly when compared to the relatively bright, blue, nearby star 47 Ophiuchi. Compared to the approximately 100,000 stars gravitationally bound in distant NGC 6366, 47 Ophiuchi is a binary star system just 100 light-years away. However, the co-orbiting stars of 47 Ophiuchi are too close together to be distinguished individually in the image.