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The Crescent Nebula in Hydrogen-alpha |
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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, CFW8. | Mount: | Takahashi NJP Temma 2. | Filters: | Custom Scientific 3nm H-alpha. | Dates/Times: | 8 September 2003. | Location: | my backyard observatory in Austin, Texas. | Exposure Details: | 3.5 hours. | |
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