Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  35 And  ·  Andromeda Galaxy  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224  ·  The star ν And
Andromeda - M31 Wide Field, Warren A. Keller
Andromeda - M31 Wide Field
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Andromeda - M31 Wide Field, Warren A. Keller
Andromeda - M31 Wide Field
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Description

M31 in Andromeda is a spectacular object just seen with the naked eye below the big W of Cassiopeia. It is our closest neighboring galaxy in what is known as the Local Group. That is still a staggering 3,000,000 light-years away. Bear in mind that one light-year is 6,000,000,000,000 miles. It was this object that Edwin Hubble first identified as another galaxy to itself, rather than a nebula within our own Milky Way galaxy. The large 'star' at about 11 o'clock on the galactic disk is sub-galaxy M32, and at 8 o'clock is another called M110. M31 is somewhat edge-on from our vantage point, but we see much of its spiral arms, and the dark lanes coursing through it are magnificent.

Capture and Calibration- Ron Brecher
Post-Processing- Warren Keller
Takahashi FSQ-106 
QHY367C Pro and UV/IR filter
28 x 300sec OSC 
Total exposure 2hr20m

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Andromeda - M31 Wide Field, Warren A. Keller