All Images Copyright Rod Gallagher Click on image to see full size
M4 -- Cat's Eye Cluster
Object
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Type |
Globular Cluster |
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Constellation |
Scorpius |
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Distance |
6,033 light years |
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Magnitude |
5.6 |
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Size |
26.0 arc-min |
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Image
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Date |
2007-08-10 |
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Place |
RMCC Observatory |
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Exposure Data |
LRGB 15:15:15:15 mins @ -5C |
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L 3x5, R 3x5, G 3x5, B 3x5 |
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Notes |
RGB filters binned 2x2 |
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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 |
Takahashi NJP |
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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, CCDStack2+, PhotoShop CS6, eXcalibrator, PixInsight, BlurXTerminator |
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Reprocessed on 01/17/2023 |