NGC 2841 - Spiral Galaxy in Ursa Major

NGC 2841 lies approximately 46 million light years away in the constellation of Ursa Major. It is 150,000 light years in diameter. It was discovered by William Herschel in 1788.

NGC 2841 is considered to be a flocculent galaxy. That is, unlike grand design spiral galaxies, it has numerous, discontinuous arms. The blusish areas are vast star-forming regions.

Numerous background galaxies are visible in this image.

Telescope: APM 152mm Refractor
Mount: iOptron CEM 60
Camera: Canon 650D (Hap Griffin modified); Raw capture @ ISO 1600
Exposures: 24 @ 5 min. (2 hrs. total)
Guiding: Orion SSAG pro on 300mm lens
Processing: Images were focused using Live View. They were converted to TIFF format using Camera Raw. They were aligned and combined using ImagesPlus. The final image was adjusted in Photoshop. Sharpening and noise reduction were done using Topaz Detail and DeNoise respectively.
Location: My backyard observatory in southeastern Minnesota - 4/4/16
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