Triatlas

The Triatlas app contains the most detailed, speedy star chart available for smartphones and tablets! - Stars up to mag 12.6 - Galaxies up to mag 15.5 (PGC). 37000 in total! - 1200 planetary nebulae - 1800 open clusters, all globulars - Others: SH-2, RCW,LDN / Barnard - Double stars whose main star is brighter than 11th magnitude (35,000 double stars) - Variable stars whose maximum reaches the 12.5 magnitude (29,000 variable stars) PLUS: - Flexible Night vision mode - Landscape-portrait mode - Flip and mirror (Supporting telescope orientation) - Chart-to-chart navigation using the black corners. Based on the charts made by Jose Torres. Used with permission.