A red emission nebula is shown against a busy starfield with many dark dust filaments near the nebula’s center. Near the bottom of the image is a smaller blue reflection nebula. Please see the explanation for more detailed information.
红色发射星云映衬着繁华的星场，星云中心附近有许多尘埃暗条。图片底部附近是一个较小的蓝色反射星云。有关更多详细信息，请参阅说明。
2022年10月26日 Cocoon Nebula Wide Field Image Credit & Copyright: Andy Ermolli Explanation: When does a nebula look like a comet? In this crowded starfield, covering over two degrees within the high flying constellation of the Swan (Cygnus), the eye is drawn to the Cocoon Nebula. A compact star fo
2022年8月27日 IC 5146: The Cocoon Nebula Image Credit & Copyright: David Jenkins Explanation: Inside the Cocoon Nebula is a newly developing cluster of stars. Cataloged as IC 5146, the beautiful nebula is nearly 15 light-years wide. Climbing high in northern summer night skies, it’s located
