GALLERY t NIBBLING ON OUR STAR Arne Danielsen The Moon appears to take a bite out of the Sun in this hydrogen-alpha image of the annular eclipse of June 10, 2021. A large but faint prominence is seen on the solar limb at bottom right. DETAILS: Takahashi Sky-90II APO refractor with ASI1600MM Pro camera. Stack of 400 images through Coronado SolarMax 90 II Hα filter. q SERENDIPITY Zev Hoover, Christian Lockwood, and Zoe Chakoian In this composite image, a gull passes in front of the Sun near the moment of maximum eclipse over Boston Harbor. The dark silhouette of the bird contrasts well with the orange light reflecting off the clouds. DETAILS: Tele Vue-76 APO refractor with Sony Alpha 7S III Mirrorless camera. Stack of 42 exposures. 74 SEPTEMBER 2021 * SKY & TELESCOPE