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| Description: | This edge-on spiral is around 10 million light
years distant. Based on its electromagnetic spectrum, it is thought to
be a barred spiral. This cannot be seen due to its edge-on
orientation. |
| Exposure Data: | 10/18,20/2003. LRGB: 11x10m, 5x10m, 5x10m,
5x10m, RGB 2x2. -20°C,
0.49 arc-sec./pixel. |
| Processing: | Acquired via Sequencer II (dither 4) and CCDSoft, reduced and
aligned, in Mira, Combined in Sigma, L 2x CCDSharp, DDP, RGB combine, DDP in Maxim, LRGB combine, curves, levels and other
processing in Photoshop. |
| Optical System: | 12.5” Ritchey-Chretien RCOS Truss @ F/9,
ST-10XME NABG/CFW-8A CCD camera, Paramount ME. AO7 guided. |
| Comments: | FWHM's at 2.0 arc-sec. |