Large sunspot 2019-04-13 AR2738

Nice to see something on the Sun at last. Really gusty wind so hard to get anything very sharp. Insets showing how it appears as it approaches the limb of the Sun.

203mm f8 RC8 (stopped down to 180mm)

ASI 290MC, Baader solar film (white light)

84fps 120s AVI, 10% frames

ROI 600x600

Done