HDW 3
HDW 3 is a large, ancient planetary nebula. Its distinctive braided shape is the result of the planetary nebula colliding with the interstellar gas around it as the nebula moves through the galaxy. The star that produced the planetary nebula is the faint bluish one just below and to the right of the bright star near the center of the image.
| Observatory: | Kitt Peak National Observatory Kitt Peak, Arizona |
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| Telescope: | KPNO 4-Meter |
| Instrument: | Mosaic I |
| Astronomer: | T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOAO/AURA/NSF) |
| Date of Observation: | 09-11-2013 |
| Filters and Assigned Colors: | Hydrogen alpha (red) and Sulphur [SII] (blue) |
| Exposure Times: | 8x10min in H-alpha and 7x10min in [S II] |
| Location of Image: | Perseus |
| Field of View: | 20.2 x 14.9 arcmin |
| Orientation: | North is up, East is to the left |
| Link to Larger Image | |
| Link to Full Resolution Image | |
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