All Images Copyright Rod Gallagher Click on image to see full size
NGC 6939 -- Open Cluster
Object
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Type |
Open Cluster |
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Constellation |
Cepheus |
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Distance |
3,900 light years |
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Magnitude |
7.8 |
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Size |
7 arc-min |
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Image
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Date |
2008-09-01 |
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Place |
RMCC Observatory |
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Exposure Data |
Lum 6 mins @ -5C |
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Lum 6x1 min |
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Notes |
All filters binned 1x1 |
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Equipment
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Optics |
Takahashi TOA-150 |
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Focal Length |
1100 mm @f/7.3 |
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Mount |
Paramount ME |
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Camera |
SBIG ST-10XME |
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Focuser |
RoboFocus |
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Filters |
CFW-10, Astrodon LRGB |
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Software |
TheSky6, CCDSoft, CCDAutopilot3, CCDStack 2+, PixInsight, PhotoShop CS6 |
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Reprocessed on 12/28/2022 |