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The Details |
|
Object |
M64 The Black-Eye Galaxy in Coma Berenices |
Optics |
Meade 16"LX200 at f/6.3 |
Platform |
Meade LX 200 Mount |
Camera |
SBIG ST-8XE and AO-7 Adaptive Optics Unit |
Filters |
SBIG LRGB filter set |
Date |
19 June 2003 |
Location |
Mount Wilson Observatory, Mount Wilson CA |
Exposure |
L 3 x 600 sec, 1x1 bin; RG 3 x 300 sec, B 3 x 480 sec 2x2 bin |
Software |
Maxim DL/CCD, Photoshop |
Orientation |
Field of View: 07’ x 05 ’ centered on RA 12h56m58s DEC 21°41’28”. North angle 181.47 °; east 90° CW from north |
| Notes | Discovered by Johann Bode in 1779, the Black-Eye Galaxy is noted for a conspicuous dark band of absorbing dust obscuring background features near the core. One theory of this feature is that a former companion galaxy accreted material onto its larger neighbor and it has yet to settle into the orbital plane of the disc, resulting in the present structure we see today. Two counter-rotating discs of stars have been observed in this galaxy, with the interface between these two discs being an area of intense star birth activity which are visible as the blue knots in the prominent dust lane. M64 is approximately 19 million light years distant and spans about 51,000 light years across its major axis. |
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