SH2-308 in Canis Major
SH2-308 in Canis Major |
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Sh2-308: Dolphin Head Nebula |
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Object Data |
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| Object type: | Nebula | ||
| Size: | 60 ly (35' x 35') | ||
| Magnitude: | 7.0 | ||
| Constellation: | Canis Maj | ||
| Distance: | 4,500 light years | ||
| Notes: |
This nebula was formed by powerful stellar winds from a Wolf-Rayet star (EZ
Can Maj). EZ Can Maj began shedding its outer layers 70,000 years ago
releasing ionized hydrogen and oxygen emissions from its outer layers
forming this "bubble-like" nebula. Also cataloged as LBN 1052 and RCW 11 |
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For my Astrobin page spec sheet click here
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Exposure Data |
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| Date: | 1/15-1/16/26 | ||
| Location: | Little Blair Valley, Anza Borrego Desert, CA. | ||
| Telescope: | TEC110 refractor; fl 630mm; f/5.74 | ||
| Camera: | Player 1 Poseiden (IMX571) with Antlia 3nm Ha and OIII filters; Antlia RGB filters | ||
| Mount: | AP Mach 1; CP4 | ||
| Exposure times: | Ha: 16 x 10 min; OIII: 16 x 10
min; R: 7x 5min; G: 8 x 5 min; B: 5x5min |
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| Exposure time total: | 7.33 hours | ||
| Notes: |
FOV = 122 x 84 arc min Image scale = 2.42"/pixel |
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