M51 Whirlpool Galaxy
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M51 Whirlpool Galaxy
M51 Whirlpool Galaxy, also known as Messier 51 or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. It is 32 million light-years away and 109,000 ly (33,280 pc) in diameter.
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The galaxy and its companion, NGC 5195, are easily observed by amateur astronomers, and the two galaxies may be seen with binoculars. It is also a separate item in the Herschel 400 Catalog.
The Whirlpool Galaxy has been extensively observed by professional astronomers, and its pair with NGC 5195 who study it to understand galaxy structure (particularly structure associated with the spiral arms) and galaxy interactions. Its pair with NGC 5194 is among the most famous and relatively close interacting systems, and thus is a favorite subject of galaxy inter
Notes
| Observation Log Information | |
|---|---|
| Log Index: | 995 |
| Session: | 245 |
| Date: | 2014-09-14 |
| Equipment: | 110mmDoublet EP APO – PF Canon 60D |
| Location: | ABWCO |
Keywords: M51 Whirlpool Galaxy, Messier, Canes Venatici, galaxy
January 18, 2024
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Roger Nelson
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