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Abell 1656 Galaxy Cluster (LRGB)
Abell 1656 also known as the Coma Cluster is a rich collection of galaxies lying about 300 million light years from Earth and located in the constellation Coma Berenices. Abell 1656 is dominated by two giant elliptical galaxies, NGC 4874 and NGC 4889. Scattered in the field of view are hundreds of identifiable galaxies including NGC 4881. To view an image of the area around NGC 4881 captured by the Hubble Space Telescope, click on the link near the bottom of this page.
Image Details
| Target: | Abell 1656 Galaxy Cluster |
| Coordinates (Center - J2000): | RA 13h 00m 30s ; Dec +27d 57m 51s |
| Date: | 18 & 19 February 2007 |
| Constellation: | Coma Berenices |
| Imaging Location: | Chiefland, Florida |
| Camera: | SBIG ST-8XME & CFW-10 Color Filter Wheel |
| Filters: | Astrodon Series E Tru-Balance LRGB |
| Telescope: | Takahashi TSA-102S 4" APO Triplet f/8 (FL = 814mm) |
| Mount: | Takahashi EM-200 Temma II GEM (12 VDC) |
| Image Scale: | 2.28 arcseconds per pixel |
| CCD Temperature: | -20 C |
| L:R:G:B Exposures: | 120:75:75:75 minutes (15 min. sub-exposures) |
| Mount Control Software: | The Sky 6.0.0.52 |
| Camera Control Software: | CCDSoft 5.00.182 |
| Focus Control Software: | FocusMax 3.3.15 |
| Executive Control Software: | CCD Commander 1.4.5 |
| Sub-frame Registration Software: | Registar |
| Calibration and Combining Software: | CCDStack |
| Final Processing Software: | Photoshop CS |
Additional Information
Coma Cluster (HST): http://hubblesite.org/newscenter/archive/releases/1995/07/image/a/format/large_web/