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M2
Globular Star Cluster
| Right Ascension | 21h 33m 29s | Best Seen | 9/15-12/15 |
| Declination | -0° 49' 23" | Magnitude | 6.5 |
| Constellation | Aquarius | ||
Actual |
Compared to Sun |
|
| Distance | ~37,500 ly | -- |
| Diameter | ~140 ly | -- |
| Number of Stars | 150,000 | -- |
| Actual Brightness | -- | -- |
| Age | greater than 12 billion years | |
| Integrated Spectral Type | F4 | G2 V |
| Density (gram/cubic cm) | -- | -- |
What To Look For Through The Telescope
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Recommended eyepiece: 40mm or 80 mm.
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When people look through the telescope the cluster will appear similar to a pile of sugar or salt on a table.
M2 Information
- M2 is not completely spherical: it looks slightly elliptical in shape.
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References
| Item | Updated | Notes |
| Coordinates | 2002-08-14 | just “tweaked” a bit |
| Distance | 2002-08-14 | http://messier.seds.org/m/m002.html |
| Actual Brightness | -- | |
| Number of Stars | -- | |
| Diameter | 2002-08-14 | http://messier.seds.org/m/m002.html |
| Age | 2002-08-14 | basic info |
| Integrated Spectral Type | 2002-11-22 | SIMBAD |
| Other | 2002-08-14 | http://messier.seds.org/m/m002.html |