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NGC 4236 (Caldwell 3)
April 10, 2026
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Caldwell 3, a barred spiral galaxy in Draco, lies 11.7 million light years from us.
It’s part of the M81 group of galaxies, but lies fairly distant from the center of that group. It has a splotchy look because of its low surface brightness, and because of the large number of massive young open star clusters in its spiral arms.
Planewave CDK12.5
Telescope
Finder Chart
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Total integration: 50h 32m
Integration per filter:
- Lum/Clear: 9h (180 × 180")
- R: 6h 24m (128 × 180")
- G: 6h 9m (123 × 180")
- B: 6h 9m (123 × 180")
- Hα: 22h 50m (137 × 600")
Coordinates: 12h 16m 47s · +69° 27′ 54″
Image Capture
Location:
Deep Sky West
Camera:
Moravian C5a-100M
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