Sketch of sunspot AR 2546 by Deirdre Kelleghan, May 15, 2016 1:25-2:30 UT.
40mm PST, FL 400mm, 10mm eyepiece, 40X
Pastels and Conte on black card.
Bray Co Wicklow Ireland
The image of the Sun below was taken at the same time as Deirdre’s sketch by cameras on NASA’s Solar Dynamics Observatory (SDO), an orbiting space telescope that watches the Sun continuously in multiple frequencies. -RJT
AR2546 is very large, and the region has let off several C-class flares.
Please Welcome our new Blogger: Deirdre Kelleghan! Deirdre is a well-known amateur astronomer in Ireland. She loves sketching astronomical objects, and doing astronomy outreach with children. -RJT.