Greenwich, the Observatory, watercolour on Arches Rough, 10x14in (25.5x35.5cm). My note for the day says: forecast heavy showers, wind, sunny intervals. A Typical April day, and I got all of those, exactly as promised. Most of my day therefore consisted of two half-finished watercolours, caught by the rain both times. This one still bears the splotches of a fairly heavy shower – I wasn’t quite quick enough with the umbrella. But I wasn’t beaten yet, for I had another medium up my sleeve