courbette reperage vers essia 499.9 494.7 494.8 493.2 500.3 528.5 533.5 528.6 526 526.2 521.8 519 515.9 510.1 497.1 490.4 492.8 492.7 487 486.6 487.1 487.7 487.3 487.5 487.4 487 487.2 488.1 488.6 490.2 491.8 492.8 494.7 496.3 497.7 499.4 502.5 507.3 523.5 538.6 538.6 549 552.4 555.6 600.5 633.7 617.4 610.4 604 603.3 598.4 588.9 574.9 570.9 555.1 573 551.1 513.9 503.3 501