Trapezium in the Orion Nebula (central part of the Great Orion Nebula)
Posted: May 13th, 2025
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Technical Info
Telescope/Lens:Sky-Watcher Dob 16" (400/1800) Retractable SynScan GOTO
Camera:ZWO ASI178MM
Mount:Dobsonian SynScan GOTO
Software:DSS, GraXpert, Starnet, Photoshop.
Exposure:
500 x 0.25" ISO/Gain: 0
White zoneLight Pollution:
Novosibirsk, Russia
Oct 18th, 2023
2 m
684
8
Decided to try photographing a deep-sky object with a telescope not quite intended for this purpose, and here's what happened...
The image shows a compact open star cluster in the Orion Nebula, called the "Orion Trapezium". The four central stars that form this very trapezium are actually huge and bright (their mass is 15-30 solar masses).
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