Site and content copyright Robert Allevo 2002-2008
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Abell 2151 |
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GALAXY CLUSTER in HERCULES |
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Technical Details |
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| Optics | 12.5" RCOS operating at f/6.5 |
| Mount | Paramount ME |
| Camera | SBIG ST-10XME, CFW8-A |
| Filters | Tru Balance LRGB. |
| Date | July 30, 2005 |
| Exposure | LRGB = 65:15:15:15 minutes |
| Processing | MaximDL, Sigma Reject, Photoshop CS |
| Guiding | Sky90 at 407mm with ST-402 |
| Binning | Lum - 2x2, RGB - 3x3 |
| Location | SkyFoto Observatory in East Hartland, Ct. |
| Notes | This cluster of galaxies is over 300 million light years distant. Each "fuzzy thing" is yet another galaxy. The cluster of galaxies extends well beyond this field of view. Several of the galaxies in this image are interacting- as is often the case in clusters of galaxies. The most prominent example is NGC 6050 (middle-right) in which two spiral galaxies have interlocked |