NGC 7209
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| AladinLite | |
| Constellation | lizard |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 22 h 05 m 08.0 s |
| declination | + 46 ° 29 ′ 00 ″ |
| Appearance
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| classification | III1p |
| Physical data
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| Affiliation | Milky Way |
| Redshift | −0.000062 |
| distance | 3,800 ly |
| Absolute brightness | 7.7 likes |
| diameter | 28 ly |
| history | |
| Discovered by | William Herschel |
| Discovery time | November 17, 1788 |
| Catalog names | |
| NGC 7209 • OCl 215 • Mel 238 • Cr 444 • | |
NGC 7209 is an open cluster of Trumpler type III1p in the constellation Lizard on the northern sky . It is about 3,800 light years away from the solar system, with a diameter of about 28 light years. NGC 7209 has an angular diameter of 25 arc minutes and a brightness of +7.70 mag.
The object was discovered by William Herschel on November 17, 1788 .
Individual evidence
- ↑ Klaus-Peter Schröder in: Stars and Space September 2012 p. 73f
- ↑ http://cseligman.com/text/atlas/ngc72.htm#7209
- ↑ SIMBAD Database