All Images Copyright Rod Gallagher Click on image to see full size
M3 -- Globular Cluster
Object
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Type |
Globular Cluster |
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Constellation |
Canes Venatici |
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Distance |
33.9K light years |
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Magnitude |
6.39 |
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Size |
18.0 arc-min |
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Image
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Date |
2010-06-04 |
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Place |
Bixhoma Observatory (H33) |
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Exposure Data |
CRGB 60:30:30:30 mins @ -5C |
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C 12x5, R 6x5, G 6x5, B 6x5 |
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Notes |
RGB filters binned 2x2 |
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Equipment
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Optics |
Meade 12" RCX-400 |
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Focal Length |
2438 mm @f/8 |
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Mount |
Meade RCX on Milburn Wedge |
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Camera |
SBIG ST-8XME w/AO7 |
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Focuser |
JMI Focuser w/ RoboFocus |
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Filters |
CFW-8A, Astrodon CRGB |
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Software |
TheSky6, CCDSoft, FocusMax, CCDAutopilot3, CCDStack 2+, PhotoShop CS6, PixInsight, BlurXTerminator |
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Reprocessed on 01/09/2023 |