Assuming you can actually see the sky, NASA NanoSail should be visible at 18:19 to 18:28 NNW to SSW mag 1.9
More: Heavens Above (http://www.heavens-above.com/PassSummary.aspx?satid=90027&Session=kebgfeccaacnkokhcpjfbmpj)
Date Mag Starts Max. altitude Ends
Time Alt. Az. Time Alt. Az. Time Alt. Az.
27 Feb 2.2 17:57:59 10 NNW 18:02:20 48 NE 18:06:39 10 SE
27 Feb 4.1 19:37:47 10 NW 19:41:26 25 WSW 19:45:04 10 SSW
28 Feb 1.9 18:19:02 10 NNW 18:23:30 89 NNW 18:28:01 10 SSE
28 Feb 5.1 20:00:09 10 WNW 20:02:11 13 W 20:04:12 10 SW
1 Mar 3.0 18:40:13 10 NW 18:44:30 46 WSW 18:48:46 10 S
2 Mar 4.4 19:01:37 10 NW 19:05:14 24 WSW 19:08:49 10 SSW
3 Mar 5.4 19:23:48 10 WNW 19:25:43 13 W 19:27:38 10 WSW
4 Mar 3.3 18:03:32 10 NW 18:07:49 45 WSW 18:12:04 10 S
5 Mar 4.6 18:24:43 10 NW 18:28:17 24 WSW 18:31:50 10 SSW
6 Mar 5.7 18:46:40 10 WNW 18:48:31 12 W 18:50:20 10 WSW