July 12, 2007 21:17:22 UT Orbital elements: C/2007 N1 (McNaught) T 2007 Sep. 6.7256 TT Sato q 2.281143 (2000.0) P Q Peri. 266.6031 +0.9165236 -0.3721246 Node 115.1999 +0.3999697 +0.8553656 e 1.0 Incl. 9.3277 -0.0029396 +0.3603789 From 21 observations 2007 July 10-12, mean residual 0".61. Residuals in seconds of arc 070710 E12 0.2- 0.5- 070711 703 0.1+ 0.8- 070711 474 0.4+ 0.8+ 070710 E12 0.8- 0.1+ 070711 703 0.5- 0.5- 070711 E12 0.5+ 0.2+ 070710 E12 0.4- 0.8+ 070711 703 0.5- 1.5- 070711 E12 0.8+ 0.2+ 070710 E12 1.0+ 0.0 070711 474 0.5+ 0.7+ 070712 A55 0.5- 0.3- 070710 E12 0.5+ 0.1- 070711 474 0.3- 0.6+ 070712 A55 0.3+ 0.4- 070710 E12 0.6+ 0.1+ 070711 E12 0.6+ 0.6+ 070712 A55 0.1- 0.2- 070711 703 2.0- 0.3- 070711 474 0.3+ 0.5+ 070712 A55 0.4- 0.1+ --