Omega (Swan) Nebula
M17 / NGC 6618 · emission nebula
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One of the brightest, most massive HII regions in the galaxy; distinct swan / checkmark shape.
| Vis magnitude | 6.0 |
|---|---|
| Apparent size | 11′ (major 0.11e2′) |
| RA / Dec (J2000) | 18.3406h / -16.1770° |
| Altitude / Azimuth | -7.5° / 104.7° |
| Rise · Transit · Set | 21:38 · 02:49 · 07:57 |
| Transit altitude | 34.8° |
| Above-min interval | 9:41pm–7:54am |
| Suitability | neither — RedCat: too small; MiniCat: too small |
| Source | seed |