NGC 2023 + B 33 (Horsehead Nebula)
NGC 2023 + B 33 (Horsehead Nebula) |
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Object data of NGC2023 |
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| Object type: | Emission + reflection nebula | |
| Size: | 10' x 10' | |
| Magnitude: | - | |
| Constellation: | Ori | |
| Distance: | 1,300 Ly | |
| Notes: | NGC 2023 is an emission and reflection nebula in the constellation of Orion. This reflection nebula is one of the largest in the sky, with a size of 10 10 arcminutes. It is located at a distance of 1,300 ly from the Sun, and is positioned ~15′ to the northeast of the Horsehead Nebula. | |
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Object data of B33 |
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| Object type: | Dark nebula | |
| Size: | 8' x 6' | |
| Magnitude: | - | |
| Constellation: | Ori | |
| Distance: | 1,300 Ly | |
| Notes: | The Horsehead Nebula (also known as Barnard 33 or B 33) is a small dark nebula in the constellation Orion. It appears along the edge of the much larger, active star-forming H II region called IC 434. This nebula is located just to the south of Alnitak, the easternmost star of Orion's Belt. | |
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Exposure data |
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| Date: | 2024-11-30 until 2024-12-29 (4 nights) | |
| Location: | Nussbach / Austria (400m) | |
| Telescope: | TEC APO 200 FL with TEC flattener-reducer 0.9x (f=1500mm) | |
| Camera: | QHY 268M with Baader CMOS filters | |
| Binning: | L 1x1 / RGB 1x1 | |
| Mount: | ASA DDM85 | |
| Exposure time: | L 24x8min / RGB 8x8min each | |
| Exposure time total: | 6h 24min | |
| Notes: | The bright rays of Alnitak flood the image from the top right corner. | |
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