NGC 7635, also known as the Bubble Nebula, is a captivating celestial object located in the constellation Cassiopeia, approximately 7,100 light-years away from Earth. This stunning emission nebula derives its name from the remarkable bubble-like structure it exhibits, making it a popular subject for both amateur and professional astronomers.
At the heart of NGC 7635 lies a massive, young, and scorching star named BD+60°2522. This central star’s intense radiation and powerful stellar winds play a pivotal role in shaping the nebula’s distinctive appearance. The star’s radiation ionizes the surrounding hydrogen gas, causing it to emit a reddish glow that is typical of emission nebulae.
The bubble-shaped appearance is a result of the dynamic interplay between the star’s energetic outflows and the surrounding molecular cloud. As the star’s winds collide with the cloud’s material, it creates a cavity, effectively sculpting the nebula into its iconic form.
NGC 7635 spans roughly 10 light-years in diameter and is also an active region for the formation of new stars. As the radiation and shockwaves from BD+60°2522 interact with the surrounding gas and dust, it triggers the birth of other stars within the nebula.
For astronomy enthusiasts and astrophotographers, NGC 7635 is a prized target. Its visually striking appearance through telescopes and its intricate beauty when captured in long-exposure images make it a favorite among stargazers.
Exploring NGC 7635 allows us to gain insight into the incredible forces of nature that shape our universe. It serves as a reminder of the beauty and wonder that can be found in the depths of space, making it a truly enchanting spectacle in the night sky.
Capture Details:
Date Image captured: Multiple nights
Telescope: Celestron Nexstar 8se
Reducer/Flattener: Celestron .63x Reducer/Flattener
Filter: Optolong L-Extreme
Camera: ZWO ASI294 MC
Mount: Skywatcher EQM-35 Pro
Total Captured: 104 @ 300 seconds
Total Time: 8 hours and 40 minutes
Capture Software: N.I.N.A.
Guiding: PHD2, ZWO asi120mm mini
Processed in: PixInsight Adobe Photoshop
Additional details on Astrobin.com.