All Images Copyright Rod Gallagher Click on image to see full size
M57 -- Ring Nebula
Object
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Type |
Planetary Nebula |
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Constellation |
Lyra |
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Distance |
2,567 light years |
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Magnitude |
8.8 |
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Size |
3.8 x 3.8 arc-min |
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Image
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Date |
2020-06-13 |
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Place |
Bixhoma Observatory (H33) |
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Exposure Data |
HaOIIILRGB 700:640:445:50:50:50 mins @ -30C |
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Ha 35x20, OIII 32x20, Lum 89x5, R 10x5, G 10x5, B 10x5 |
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Notes |
All filters binned 1x1 |
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Equipment
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Optics |
Planewave 17 CDK |
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Focal Length |
2939 mm @f/6.8 |
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Mount |
Paramount ME |
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Camera |
SBIG STXL-6303E w/AOX |
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Focuser |
IRF-90 Rotating Focuser |
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Filters |
FW8G-STXL, Astrodon LRGB (Gen 2), Astrodon Ha (3 nm), Astrodon OIII (3 nm) |
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Software |
TheSkyX, FocusMax4, CCDAutopilot5, CCDStack 2+, PixInsight, PhotoShop CS6 |
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