UVCS MISSION LOG ---------------- Date: 1 Apr 2011 ----- Last revision: 1 Aug 2011 (RR) -------------- File Name: 2011.04.01.a.log ---------- Compiled by: R. Rosati ------------ UVCS Activity: Load North Coronal Hole OVI stray light checks -------------- SOHO Activity: -------------- EOF Staff: J. Kohl: Lead Scientist ---------- R. Rosati: Commander Command file: 11.04.01.15:00:10.cmd.log Activity: --------- 1) Stray light check at north coronal hole. Mirror is set to 1.8 Rsun but Occulter is set to 1.5 mm overocculting for a height of 1.7 Rsun. Sequence: Manual, TakeOVIexp 0 5 0 SCI_SPEC: Stray light check at 1.8 Rsun OBS_PROG: Primary: Sensitivity Sub Obj: Spatial Resolution SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2011.04.01.09:44 end: 2011.04.01.11:07 ONUMs = 26923 (40 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 90 Degrees (18762) - Mirror/Occulter: 1.8 Ro 1.5 mm overocculting at 1.7 Ro (2.46 mm exposed mirror) - LYA Slit: 50 um - OVI Slit: 50 um - LYA GRTPOS: 83040 - OVI GRTPOS: 98000 - OVI MCP Voltage: 215 - OVI mask: OVI_Hole_237 in slot 2 Fits Files: q11.04.01.13:42:48.ovi.dat 2) Stray light check at north coronal hole. Mirror is set to 1.8 Rsun but Occulter is retracted 4.0 mm from position used in previous observation Sequence: Manual, TakeOVIexp 0 0 3 SCI_SPEC: Stray light check at 1.8 Rsun OBS_PROG: Primary: Sensitivity Sub Obj: Spatial Resolution SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2011.04.01.17:49 end: 2011.04.01.15:55 ONUMs = 26924 (3 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 90 Degrees (18762) - Mirror/Occulter: 1.8 Ro 6.46 mm exposed mirror - LYA Slit: 50 um - OVI Slit: 50 um - LYA GRTPOS: 83040 - OVI GRTPOS: 98000 - OVI MCP Voltage: 215 - OVI mask: OVI_Hole_237 in slot 2 Fits Files: q11.04.01.21:47:56.ovi.dat 3) Stray light check at north coronal hole. Mirror is set to 1.8 Rsun but Occulter is inserted 2.0 mm from position used in previous observation Sequence: Manual, TakeOVIexp 0 0 3 SCI_SPEC: Stray light check at 1.8 Rsun OBS_PROG: Primary: Sensitivity Sub Obj: Spatial Resolution SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2011.04.01.18:18 end: 2011.04.01.18:24 ONUMs = 26925 (3 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 90 Degrees (18762) - Mirror/Occulter: 1.8 Ro 4.46 mm exposed mirror - LYA Slit: 50 um - OVI Slit: 50 um - LYA GRTPOS: 83040 - OVI GRTPOS: 98000 - OVI MCP Voltage: 215 - OVI mask: OVI_Hole_237 in slot 2 Fits Files: q11.04.01.22:16:31.ovi.dat 4) Stray light check at north coronal hole. Mirror is set to 1.8 Rsun but Occulter is set back to 1.5 mm overocculting for a height of 1.7 Rsun. Sequence: Manual, TakeOVIexp 0 0 3 SCI_SPEC: Stray light check at 1.8 Rsun OBS_PROG: Primary: Sensitivity Sub Obj: Spatial Resolution SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2011.04.01.18:40 end: 2011.04.01.18:47 ONUMs = 26926 (3 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 90 Degrees (18762) - Mirror/Occulter: 1.8 Ro 1.5 mm overocculting at 1.7 Ro (2.46 mm exposed mirror) - LYA Slit: 50 um - OVI Slit: 50 um - LYA GRTPOS: 83040 - OVI GRTPOS: 98000 - OVI MCP Voltage: 215 - OVI mask: OVI_Hole_237 in slot 2 Fits Files: q11.04.01.22:39:06.ovi.dat