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The Crescent Nebula |
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Related Photographs
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The Crescent Nebula |
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Technical Details |
| Optics: | 14" f/10 RCOS Ritchey-Chrétien Cassegrain at f/7,Takahashi FRC-300 focal reducer. | | Camera: | SBIG ST-10XME, CFW-8, AO-7. | | Mount: | Takahashi NJP Temma 2. | | Filters: | Custom Scientific 3nm H-alpha, SBIG standard RGB. | | Dates/Times: | 6, 8 September 2003. | | Location: | my backyard observatory in Austin, Texas. | | Exposure Details: | Ha = 3.5 hours. RGB = 10:10:10 minutes. | | Processing: | MaxImDL (align, combine), Photoshop (levels, curves, etc.), ImagesPlus (deconvolution). | | Processing: | This is an "enhanced natural color" image. The RGB and H-alpha data have been blended to form both the luminance and color information. | |
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