IC434
The Horsehead Nebula
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| Other names: |
B33 |
| Optics: |
Takahashi FSQ-106ED at f/5 |
| Mount: |
Losmandy GM-8 w/Gemini |
| Camera: |
Canon EOS 40D [ unmodified ] |
| Exposure: |
90 minutes [ 18 x 5 minutes ] at ISO 400 |
| Accessories: |
Optec TCF-S | Autoguided with Meade DSI Pro and Canon EF 200mm f/2.8 L II lens |
| Location: |
Landers, CA [ GMARS ] |
| Date |
December 2, 2007 |
| Notes: |
Processing: Image acquisition, DFR, FFR, convert, align, and combine with ImagesPlus 3.0. Levels, curves, and unsharp mask in Photoshop.
Ambient temperature was about 32°F. Very poor seeing conditions.
Also visible in this image (from left to right) are IC431, IC432, NGC2024 (The Flaming Star Nebula), NGC2023 (below and to the left of the horsehead), and IC435 (below NGC2023). The bright star is Alnitak (magnitude 1.7). The other bright star near the top is Sigma Orionis (magnitude 3.8).
Click the image for a larger version (1800 x 1200, ~1.3 MB).
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