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Sh2-301
March 25, 2026
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Sh2-301 is an emission region in Canis Major that is about 17,000 light years away. It’s rich in ionized oxygen gas, which accounts for the blue central region.
This star-forming region is sandwiched between the more popular targets Thor’s Helmet and the Vela Supernova remnant. So it is often overlooked and has not been the subject of much research.
Takahashi TOA130
Telescope
Finder Chart
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Total integration: 31h 25m
Integration per filter:
- R: 25m (25 × 60")
- G: 25m (25 × 60")
- B: 25m (25 × 60")
- Hα: 10h 10m (61 × 600")
- SII: 9h 50m (59 × 600")
- OIII: 10h 10m (61 × 600")
Coordinates: 7h 9m 53.5s · -18° 24′ 25″
Image Capture
Location:
Deep Sky West
Camera:
Moravian C5a-100M
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