SH2-132, commonly known as the Lion Nebula, is a beautiful emission nebula located in the constellation Serpens Cauda. Its distinctive shape and vibrant colors make it a captivating object for both amateur and professional astronomers.
Spanning approximately 50 light-years across, SH2-132 is an active region of star formation. The nebula is primarily composed of hydrogen gas, which emits light when energized by nearby young and massive stars. The interaction between the intense radiation and surrounding interstellar dust creates the nebula’s stunning features.
The Lion Nebula showcases intricate structures, including dark lanes, bright regions, and intricate filaments. The densest parts of the nebula often appear as dark patches, contrasting with the surrounding glowing gas. These dark lanes are typically indicative of areas where gas and dust are more concentrated, blocking the light emitted from behind them. In contrast, the brighter regions reveal energetic activity, with ionized hydrogen glowing red and other elements contributing to a range of colors.
The Lion Nebula’s stunning appearance is a result of active star formation within its boundaries. The intense ultraviolet radiation emitted by newly formed massive stars ionizes the surrounding gas, causing it to emit light. These young stars are responsible for shaping the nebula through their stellar winds and the eventual detonation of supernovae.
Observing SH2-132 requires a moderate-sized telescope with a narrowband filter to enhance the nebula’s emission lines. Amateur astronomers can enjoy capturing detailed images of this celestial wonder by utilizing long-exposure photography techniques. Additionally, the Lion Nebula is often a target for professional astronomers studying star formation processes and the interaction of massive stars with their surroundings.
The Lion Nebula (SH2-132) stands as a testament to the remarkable beauty of the cosmos. Its rich colors and intricate structures make it a captivating object for both amateur and professional astronomers alike, providing insights into the fascinating processes of stellar birth and evolution.
Capture Details:
Date Image captured: 7/11/2023
Telescope: William Optics Zenithstar 73
Reducer/Flattener: William Optics Flat6aiii
Filter: Optolong L-Extreme
Camera: ZWO ASI294 MC
Mount: Skywatcher EQM-35 Pro
Total Captured: 53x 300 seconds
Total Time: 4 hours 25 minutes
Capture Software: N.I.N.A.
Guiding: PHD2, zwo asi120mm mini
Processed in: PixInsight
Additional details on Astrobin.com.