Double, Double... : 無料・フリー素材/写真
Double, Double... / laszlo-photo
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | ... toil and trouble... The Double Star Cluster (in Perseus) and the double emission nebulae "Heart and Soul" (in Cassiopeia) as photographed in the Foraxx color palette.The image was integrated from over 200 individual images shot over several nights in the light-polluted city of Cleveland, OH. The Ha, Oiii, and Sii channels were extracted and recombined in false-color using PixInsight astrophotography software. 501nm (Oxygen 3) and 655nm (Hydrogen alpha) wavelengths ±3.5nm each with equivalent exposure of 4 hr 40min,672nm wavelength ±3.25nm (Sulfur 2) with equivalent exposure of 3hr 9min. The original frames were shot using a Canon EF 200mm 1:2.8 L II lens (set at f/5) adapted to a ZWO ASI6200MC camera using a TS Optics M54 Canon Adapter. |
| 撮影日 | 2023-10-16 07:20:08 |
| 撮影者 | laszlo-photo , Cleveland, Ohio, USA |
| タグ | |
| 撮影地 | Lyndhurst, Ohio, United States 地図 |