AMSTERDAM—Rembrandt van Rijn’s iconic and huge painting “The Night Watch” is now also a supersized museum photo delivered right to your laptop in unsurpassed detail. The Amsterdam Rijksmuseum on Monday put on its digital portal what it called “the most detailed photograph of any artwork” ready for assessment by scientists and art lovers alike. It is expected to draw widespread interest especially since the museum is closed because of coronavirus measures. The 717-gigapixel photo allows viewers to zoom in on Captain Frans Banninck Cocq and see how the 17th-century master put the tiniest of white dots in his eyes to give life to the painting’s main character. It also shows the minute cracks in his pupils, brought on by the passage of time. The real canvas measures 379.5 x 453.5 centimeters (149.4 x178.5 inches) canvas and each pixel represents 5 micrometers or 0.005 square millimeters. Apart from simply showing the …