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NGC 6888/Crescent
Nebula
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Equipment used: Telescope: Takahashi FRC-300 (Imaging scope) & Takahashi FS-78 (guide scope) Mount: Takahashi EM-500 Temma II Camera: Apogee U16M with Apogee's AI FW-50 7S filter wheel and SBIG ST402-XME (guide camera) Filters: Astrodon Filters H-Alpha 5nm, Sulfur II 5nm, Oxygen III 3nm Location: Philadelphia, PA. Image info: Imaged on 05-24/25-08 H-Alpha 30min x 5, Sulfur II 30min x 5, Oxygen III 30min x 5 Total exposure time 7.5hrs Processing: CCDStack & Adobe Photoshop CS2 This version was completed in the Hubble Palette Red Channel - SulfurII Green Channel - H-Alpha Blue Channel - OxygenIII |
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