Bubble Nebula & Salt and Pepper Star Cluster

The Bubble Nebula is an intriguing emissions nebula formed by stellar winds from the massive star SAO 20575. This nebula resides within a molecular cloud, its illumination stemming from the young star's heat. The Bubble Nebula rests 7,100 to 11,000 years from Earth, while the Cassiopeia Salt and Pepper Cluster can be spotted in the upper left corner. This open star cluster comprises several thousand stars, all born from the same molecular cloud. Presented here is a captivating Hubble Palette with 14 hours and 20 minutes of exposure time.