Messier 35, also known as M35 or NGC 2168, is a stunning open star cluster nestled in the constellation of Gemini. This celestial gem offers a captivating glimpse into the dynamic world of young stars and serves as a visual treat for astronomers and stargazers alike.
M35 was first discovered by the French astronomer Philippe Loys de Chéseaux in 1745, and later cataloged by Charles Messier in 1764. Located approximately 2,800 light-years away from Earth, this cluster is relatively close on a cosmic scale, making it a prominent target for amateur astronomers with binoculars or small telescopes.
The cluster is home to hundreds of stars, the majority of which are young and hot, with ages estimated at around 150 million years. Its youthful appearance is due to the fact that it was formed relatively recently in astronomical terms, making it a fascinating subject for studying stellar evolution.
Messier 35 spans an impressive 28 light-years across the sky and is easily recognizable due to its bright stars, with several standout members shining at magnitudes around 8 or 9. One of its most prominent features is a conspicuous triangular pattern of stars at its core, which can be seen with the naked eye in dark skies.
In close proximity to M35, you can also spot the smaller star cluster NGC 2158. Despite appearing near each other in the night sky, NGC 2158 is much older, estimated to be over a billion years old, and contains older, cooler stars.
Messier 35 is a fascinating object for astronomers to study. Its stars provide insights into stellar formation and evolution, while its proximity makes it an ideal target for detailed observations. This cluster’s accessibility and beauty make it a favorite among amateur astronomers, who can observe it year-round from many northern hemisphere locations.
So, whether you’re an amateur astronomer looking to explore the cosmos or simply a stargazer interested in celestial wonders, Messier 35 in Gemini is an exceptional celestial object that offers a glimpse into the dynamic and captivating world of young stars in our galaxy.
Capture Details:
Date Image captured: 9/12/2023
Telescope: Celestron Nexstar 8se
Reducer/Flattener: Celestron .63x Reducer/Flattener
Filter: Optolong L-Pro
Camera: ZWO ASI294 MC
Mount: Skywatcher EQM-35 Pro
Total Captured: 20 x 300 seconds
Total Time: 1 hour 40 minutes
Capture Software: N.I.N.A.
Guiding: PHD2, ZWO asi120mm mini
Processed in: PixInsight
Additional details on Astrobin.com.