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The Great Orion Nebula

A Dazzling Citadel of Star Formation

orion nebula singapore astronomy astrophotography stars

The Orion Nebula is truly one of the most breathtaking objects to view in the night sky, and a personal favourite of mine. Located some 1200 light years away from the Earth, it is the nearest region of massive star formation. It shines so brightly that even from light polluted places, it can still be seen with the naked eye as the fuzzy central "star" in the sword of Orion. The dazzling colours of the nebula originate from ionised gases such as hydrogen and sulfur which glow red, as well as ionised oxygen which glows green-blue. The bright blue colours come from the reflection of starlight off the molecular clouds. 

Imaging Details

Equipment and Exposure:

Location: Singapore and Mersing, Malaysia

Dates: November and December 2015, January 2016
Scope: Takahashi FS60CB at f/6.2
Mount: Losmandy G11/Gemini 2
Camera: SBIG ST8300M

Total Exposure Time: 6.5 hours (R:40min, G:40min, B:40min, HA: 4.5h)

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