NGC 1499：加州星云
2019 August 23 NGC 1499: The California Nebula Image Credit & Copyright: Sara Wager Explanation: Drifting through the Ori…
邻近的旋涡星系NGC 4945
2019 August 22 Nearby Spiral Galaxy NGC 4945 Image Credit & Copyright: Martin Pugh Explanation: Large spiral galaxy NGC 4…