M20 Trifid Nebula : 無料・フリー素材/写真
M20 Trifid Nebula / [fluxa]
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | The Trifid Nebula #M20 is an H II region located in Sagittarius. Its name means 'divided into three lobes'. This object is an unusual combination of an open cluster of stars; an emission nebula (red portion), a reflection nebula (blue portion) and a dark nebula (the apparent 'gaps' within the red portion). - Orion 8" f/3.9 newtonian reflector- Celestron AVX- Canon 70D, UHS-C filter, ISO 640, 60s- Orion 80mm refractor/StarShoot AutoGuider- 30 Light- 15 Dark- 15 Bias- DSS > LightRoom > PS |
| 撮影日 | 2015-08-03 15:40:38 |
| 撮影者 | [fluxa] , Barcelona, Spain |
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