All Images Copyright Rod Gallagher
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Horsehead 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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Image
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Date
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2007-10-09
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Place
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Okie-Tex Star Party
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Exposure Data
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HaCRGB 60:110:60:60:80 min @ -15C
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Ha 6x10, Clear 11x10, R 6x10, G 6x10, B 8x10 min
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Notes
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All filters binned 1x1
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Equipment
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Optics
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Takahashi TOA-150
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Focal Length
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1100 mm @f/7.3
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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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TheSky6, FocusMax, CCDAutopilot3, PixInsight, PhotoShop CS6
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Reprocessed on 07/28/2023
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