All Images Copyright Rod Gallagher
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Horsehead and Flame Nebula
Object
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Type
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Dark Nebula and Diffuse Nebula
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Constellation
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Orion
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Distance
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1,375 light years
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Magnitude
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6.8
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Size
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8 x 6 arc-min
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Notes
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The Horsehead Nebula is a dark nebula (Barnard 33) obscuring the brighter diffuse nebula IC434
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Also visible in this image is bright reflection nebula NGC 2023 (to the lower left of the Horsehead)
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and the Flame Nebula NGC 2024 on the lower right of the image
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Image
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Date
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2011-09-26 (OTSP), 2014-10-26 (CRO)
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Place
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Okie-Tex Star Party, Cheddar Ranch Observatory
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Exposure Data
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HaRGB 450:90:90:90 mins @ -15C
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Ha 9x30 and 12x15, R 18x5, G 18x5, B 18x5 min
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Notes
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All filters binned 1x1, created pseudo luminance frame from RGB
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Equipment
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Optics
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Takahashi FSQ-106N
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Focal Length
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530 mm @f/5.0
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Mount
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Takahashi NJP
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Camera
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SBIG ST-10XME
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Focuser
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RoboFocus
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Filters
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CFW-10, Astrodon CRGB, Ha
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Software
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TheSkyX, FocusMax5, CCDAutopilot5, PixInsight, PhotoShop CS6
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Reprocessed on 07/28/2023
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