NGC6888, Caldwell 27
Constellation: |
Cygnus (The Swan) |
Type: |
Diffuse Nebula |
Position: |
RA 20h12m00s
Dec +38d21m |
Magnitude: |
NA |
Exposure: |
Composite of two images using the LRGB technique.
Both images taken on 11/20/03
Luminance: 60 minutes on hypered Tech Pan. Lumicon deepsky filter.
RGB: 45 minutes on Supra 400. Lumicon deepsky filter. |
Equipment: |
Orion 120ST f/5 OTA on a Losmandy G-11 Gemini mount.
Guided with SBIG ST-4 on a Celestron guidescope. |
Processing: |
Images were aligned in Registar, combined
in Photoshop.
Curves, LRBG, color balance adjusted in Photoshop. |
Notes: |
The stellar wind from the central star is blowing a cosmic bubble in the surrounding
stellar medium. You can also view this nebula in a wide-field
image and a closer digital image. |
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