Date: |
November 10, 2003 |
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Exposure: |
Ha (3nm) 240m : 12 x 1200s |
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Processing: |
Captured with CCDSoftV5, MaxIm for Image calibration,(20 flats dark subtracted and Sigma Reject combined, 40 bias frames Sigma Reject combined, 12-1800s darks Sigma Reject combined), dead/hot pixel removal, alignment, normalization. Photoshop CS for final processing and jpg conversion. |
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Conditions: |
Clear, Mag 3-4 Skies |
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Scope: |
AP155EDF, f/7 (1.671 arcsec/pix), Vixen 102mm Flourite @ f/9 for guiding. All equipment on a Paramount ME and can be seen here. |
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Camera: |
SBIG ST-8XE, -20°, SBIG ST-237A for guiding |
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Comments: |
This is the part of the "Cone" that gives it its name. It is a diffuse Nebula and Open Cluster in Monoceros. |