| DataLabel | Date Time | Log Entry |
|---|---|---|
| GN-2008A-Q-92-27-002 | 2008-04-12 04:35:21 | only 7500 cts max, increasing exposure time and taking another one since we are still waiting for sunset. The scattered light in this arc is unavoidable, the gratings exhibit scattered light and GMOS does not have any red blocking filters. |
| GN-2008A-Q-92-27-003 | 2008-04-12 04:46:26 | 25000 cts max, 8000 of which is scattered light in the blue end |
| GN-2008A-Q-92-27-004 | 2008-04-12 04:48:45 | This exposure still has all the scattered light but only the CuAr lines longward of 610nm. This shows that the scattered light is coming from red light, as suspected. |
| GN-2008A-Q-92-27-005 | 2008-04-12 12:34:31 | This exposure has only scattered light, this is the main constituent of the scattered light. |
| GN-2008A-Q-92-27-006 | 2008-04-12 12:35:28 | This exposure still has some scattered light. I recommend the PI subtract the i-band image off of the CuAr exposure, if further corrections for the scattered light is needed then subtract off the z-band image. |