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3-frame mosaic:  M42 and the Horsehead in HaRGB

3-frame mosaic: M42 and the Horsehead in HaRGB

Constellation: Orion
Telescope: Takahashi FS-60C refractor
Camera: QI 583
Mount: Takahashi EM-200
Filters: AstroDon 3nm H-alpha filter and RGB filters
Acquisition Dates: October 19, 20, 29, 30 and 31, 2009
Location: Ball Ground, GA
Exposure Details: 8 - 10-minute subexposures through RGB filters; 30 - 15-minute subexposures through H-alpha filter
Processing Software: CCDStack, Photoshop