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The Swan Nebula |
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Technical Details |
| Optics: | 14" f/10 RCOS Ritchey-Chrétien Cassegrain at f/10. | | Camera: | SBIG ST-10XME, CFW8. | | Mount: | Takahashi NJP Temma 2. | | Filters: | Custom Scientific 3nm Sulphur-II, H-alpha, Oxygen-III. | | Dates/Times: | 16-17 May, 21, 29 June. | | Location: | my backyard observatory in Austin, Texas. | | Exposure Details: | R:G:B = 30:30:30 minutes (2-minute sub-exposures),Ha, OIII = 140, 180 minutes (20-minute sub-exposures). | | Processing: | In this image, the straight RGB information was enhanced by applying the H-alpha data to the red channel, and the O-III data to the green and blue channels. | |
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