All Images Copyright Rod Gallagher Click on image to see full size
M91 -- Spiral Galaxy
Object
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Type |
Barred Spiral Galaxy |
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Constellation |
Coma Berenices |
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Distance |
63M light years |
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Magnitude |
10.2 |
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Size |
5.4 x 4.3 arc-min |
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Image
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Date |
2021-05-06 |
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Place |
Cheddar Ranch Observatory |
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Exposure Data |
LRGB 135:95:90:90 mins @ -15C |
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L 27x5, R 19x5, G 18x5, B 18x5 |
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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 STL-6303E |
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Focuser |
RoboFocus |
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Filters |
CFW-10, AstroDon LRGB |
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Software |
TheSkyX, CCDSoft, CCDAutopilot5, CCDStack 2+, PixInsight, PhotoShop CS6 |
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Reprocessed on 07/06/2023 |