File:CCD fringe removal.png
CCD_fringe_removal.png (504 × 487 pixels, file size: 254 KB, MIME type: image/png)
Summary[edit | edit source]
| Description |
Top left: I- band neon fringe flat field. Top right: Same CCD section showing a nighttime I- band image of a star field taken with strong OH emission. Bottom: Same section in the final reduced image showing the complete removal of the CCD fringes. |
|---|---|
| Source |
The image appears on a website entitled, "Fringe Science: Defringing CCD Images with Neon Lamp Flat Fields" at http://iopscience.iop.org/article/10.1086/664741/meta. |
| Date |
17 February 2012 |
| Author |
Steve B. Howell |
| Rationale |
No free licensed or public domain alternatives known to exist to show the night-sky spectrum from 650 to 930 nm (Massey & Foltz 2000) and illustrate the large contribution to the sky flux from OH emission bands. |
| Permission |
Fair Use |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:03, 27 December 2017 | | 504 × 487 (254 KB) | Marshallsumter (discuss | contribs) | {{Information |Description=Top left: I- band neon fringe flat field. Top right: Same CCD section showing a nighttime I- band image of a star field taken with strong OH emission. Bottom: Same section in the final reduced image showing the complete remov... |
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