All Images Copyright Rod Gallagher Click on image to see full size
NGC 3998 -- Lenticular Galaxy
Object
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Type |
Lenticular Galaxy |
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Constellation |
Ursa Major |
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Distance |
45M light years |
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Magnitude |
12.1 |
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Size |
2.7 x 2.3 arc-min |
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Notes |
NGC 3998 is the galaxy in the center |
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NGC 3990 is the galaxy just to the upper right of NGC 3998 |
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Image
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Date |
2009-04-22 |
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Place |
Texas Star Party |
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Exposure Data |
C 12 mins @ -20C |
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Clear 12x1 min |
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Notes |
All 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 |
Paramount ME |
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Camera |
SBIG ST-10XME |
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Focuser |
RoboFocus |
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Filters |
CFW-10, Astrodon CRGB |
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Software |
TheSky6, FocusMax, CCDAutopilot4, PixInsight, PhotoShop CS6 |
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Reprocessed on 12/25/2022 |