All Images Copyright Rod Gallagher Click on image to see full size
M13 -- Great Hercules Cluster
Object
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Type |
Globular Cluster |
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Constellation |
Hercules |
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Distance |
22.2k light years |
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Magnitude |
5.8 |
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Size |
20 arc-min |
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Image
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Date |
2021-07-06 |
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Place |
Cheddar Ranch Observatory |
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Exposure Data |
LRGB 31:15:15:15 mins @ -15C |
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Lum 31x1, R 15x1, G 15x1, B 15x1 |
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Notes |
All filters binned 1x1 |
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NGC 6207 is the brighter galaxy to the upper right and there is a smaller edge-on IC 4617 |
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in-between NGC 6207 and M13 |
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 STL-6303E |
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Focuser |
RoboFocus |
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Filters |
Internal CFW, Astrodon LRGB (Gen 2) |
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Software |
TheSkyX, CCDSoft, CCDAutopilot5, CCDStack2+, PhotoShop CS6, eXcalibrator, PixInsight, BlurXTerminator |
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Reprocessed on 01/31/2023 |