Sh2-240: Spaghetti Nebula in Taurus
Sh2-240: Spaghetti Nebula in Taurus |
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Image of the Month, BBC the Sky at Night magazine, Feb, 2023 |
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SH2-240 |
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Object Data |
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| Object type: | Supernova Remnant | ||
| Size: | 3 degrees | ||
| Magnitude: | 6.5 (peak) | ||
| Constellation: | Along the boundary between Auriga and Taurus | ||
| Distance: | 3,000 light years | ||
| Notes: |
Sh2-240 (Simeis 147)
known as the Spaghetti Nebula, is a massive supernova remnant.
Believed to the result of a stellar explosion 40,000 years ago. Sh2-240
forms a nearly spherical shell with filamentary structure thoughout. The supernova left behind a rapidly spinning neutron star (pulsar) that continutes to emit a strong radio signal. |
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Exposure Data |
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| Date: | 11/25 and 11/26/22 | ||
| Location: | Little Blair Valley, Anza Borrego Desert, CA | ||
| Telescope: | Samyang 135 lens at f/4; Guided through an FSQ106 | ||
| Camera: | ZWO ASI294 with Astronomik Ha and OIII narrowband filters (6 nm); STi guide camera | ||
| Mount: | AP1100 CP3 | ||
| Exposure times: | 30 x 15 min of Ha (7.5 hrs); 21 x 15 min OIII (5.25 hrs) and 20 min each RGB. Ha assigned to red; OIII to blue and green. | ||
| Exposure time total: | 13.75 hrs | ||
| Notes: |
Binned 2x2; Cropped. FOV = 4.7 x 4.5 degrees |
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