
All Images Copyright Rod Gallagher
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M7 -- Ptolemy's Cluster
Object
Type
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Open Cluster
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Constellation
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Scorpius
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Distance
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980 light years
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Magnitude
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3.3
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Size
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80.0 arc-min
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Image
Date
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2012-04-17
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Place
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Texas Star Party
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Exposure Data
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RGB 30:30:40 mins @ -15C
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R 6x5, G 6x5, B 8x5
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Notes
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All filters binned 1x1, Created Pseudo Luminance Layer from RGB
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Equipment
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 LRGB
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Software
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TheSky6, CCDSoft, CCDAutopilot4, CCDStack2+, PhotoShop CS6, eXcalibrator, PixInsight, BlurXTerminator
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Reprocessed on 01/15/2023
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