NGC 281
NGC 281 is a busy region of star formation. It holds a centralized cluster of hot blue stars, Bok globules of dust and gas, and lanes of obscuring dust overtop the bright red hydrogen emission. NGC 281 lies roughly 9,500 light-years from Earth.
| Observatory: | WIYN Observatory Kitt Peak, Arizona |
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| Telescope: | WIYN 0.9-Meter |
| Instrument: | Mosaic I |
| Astronomer: | T.A. Rector (University of Alaska Anchorage) |
| Date of Observation: | 09-20-2002 |
| Filters and Assigned Colors: | Hydrogen-alpha (red), Oxygen [OIII] (green) and Sulfur [SII] (blue) |
| Exposure Times: | 5x6 minutes in each filter |
| Location of Image: | Cassiopeia |
| Field of View: | 45.0 x 57.3 arcmin |
| Orientation: | North is up, East is to the left |
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| Link to Full Resolution Image | |
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