Subject: 2.5m obslog 20090118 (MJD 54850) Date: Mon, 19 Jan 2009 12:56:58 +0000 (UTC) From: dmbiz@apo.nmsu.edu (Dmitry Bizyaev) APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Sunday January 18, 2009 (MJD 54850) ---=== OBSERVING TEAM ===--- Elena Malanushenko Dmitry Bizyaev Steph Snedden (swing) ---=== OBSERVING PLAN ===--- 18 Jan 2009 54850.0 0.43 BOSS/SEGUE until 08:42 (6.9 h), then SEGUE (3.9 h) ---=== OBSERVING SUMMARY ===--- Light clouds in the evening, clouds and bad seeing in the morning. Finished SEGUE plates: 3184 (c. 2), 3207 (5). Exposed SEGUE plates: 3212 (3), 3211 (4) ---=== OBSERVING LOG ===--- Afternoon: --------- No change made to spectro focus. Still set for an air temp of about 1C. No problems noted during afternoon checkout. Removed MJD 54823, 54824 data from sdsshost2 / sdssfiles1 The disk space is now: /dev/sdb1 917G 829G 42G 96% /data sdssfiles1p:/data1/data 1.5T 822G 571G 59% /files imager bis ok spectro bias ok Filename 02% 05% 10% 50% 90% 95% 98% ------------------- ------ ------ ------ ------ ------ ------ ------ sdR-b1-00058132.fit -5.3 -3.8 -2.7 2.4 6.8 8.8 10.1 sdR-b2-00058132.fit -8.0 -6.4 -4.2 1.0 7.1 8.4 10.8 sdR-r1-00058132.fit -6.8 -5.0 -3.9 1.5 7.0 8.2 10.2 sdR-r2-00058132.fit -8.3 -6.2 -4.2 1.1 6.4 8.5 10.6 23:40Z - Enclosure ventilation started Night: ------ 00:25Z enclosure opened 00:56Z gotofield with cart. 2 plate 3184. fk5 used. 01:18Z precal. One yellow camera. Adjustment made: sp1> mechPiston 2000 01:32Z precal. Looks decent with one "yellow" camera (it will go in-spec with the falling temperature). 01:38Z science 1500 02:06Z science 1500 --> 1800 02:40Z midcal 02:47Z science 1800 03:20Z science 1800 --> 1500 03:49Z postcal This plate is finished. -- 03:56Z cart 5 plate 3207 is mounted No g.s., fk5 used, no direct fk5, fk5 with a guess worked. 04:17Z precal 04:24Z science 1800 04:57Z science 1800 05"30Z science 1500 --> 1200 05:53Z postcal This plate is finished -- 06:03Z cart.3 plate 3212 is mounted GSOGTF 06:12Z precal 06:19Z science 1800 06:52Z science 1800 07:24Z science 1800 07:58Z midcal 08:05Z science 1800 08:44Z science 1800 09:18Z postcal -- 09:26Z cart 4 plate 3211 is mounted fk5 used 09:39Z precal 09:46Z science 1800 this exposure was made in thickening clouds and didn't get enough signal to be fair. At the moment, combination of clouds, bad seeing (~ 3") and Moon brigns the efficiency down. We are getting bad data. 10:19Z science 1800 bad too. 10:53Z science 1800 bad too. Efficiency 0.15 pix) COLLIMATE: Predict (red) piston movement of 4360 steps for spectro-1 COLLIMATE: Issue SOP command: "sp1; mechPiston 4360" Log file = Collimate-54850-r1-00058129.log PostScript file = Collimate-54850-r1-00058129.ps Reading /data/spectro/54850/sdR-r2-00058129.fit Reading /data/spectro/54850/sdR-r2-00058130.fit COLLIMATE: Min offset = -0.89 pix COLLIMATE: Max offset = 0.12 pix COLLIMATE: RMS across CCD = 0.28 pix COLLIMATE: Mean offset = -0.21 pix COLLIMATE: Camera r2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) COLLIMATE: Predict (red) piston movement of 1919 steps for spectro-2 COLLIMATE: Issue SOP command: "sp2; mechPiston 1919" Log file = Collimate-54850-r2-00058129.log PostScript file = Collimate-54850-r2-00058129.ps Actuator positions: sp1> Coll_motor_A -8295 01P-0000008295 Coll_motor_B -8494 02P-0000008494 Coll_motor_C -8412 01P-0000008412 Coll_motor_A_status 132 01S0132 Coll_motor_B_status 132 02S0132 Coll_motor_C_status 133 01S0133 Requested_exp.time 0 Exp_time_left 0 Last_exp.time 2 Last_open_transit.time 705 Last_close_transit.time 535 Humid_Hartmann 12.2 0xFE19 Humid_Cen_Optics 12.3 0xFE17 Temp_Median 7.8 Temp_Hartmann_Top 7.4 (0xFECB) Temp_Red_Cam_Bot 7.6 (0xFEC1) Temp_Red_Cam_Top 7.8 (0xFEB8) Temp_Blue_Cam_Bot 8.2 (0xFEA9) Temp_Blue_Cam_Top 7.8 (0xFEB9) sp2> Coll_motor_A -3440 01P-0000003440 Coll_motor_B -3940 02P-0000003940 Coll_motor_C -4144 01P-0000004144 Coll_motor_A_status 133 01S0133 Coll_motor_B_status 132 02S0132 Coll_motor_C_status 133 01S0133 Requested_exp.time 0 Exp_time_left 0 Last_exp.time 3 Last_open_transit.time 715 Last_close_transit.time 625 Humid_Hartmann -25.1 0x4 Humid_Cen_Optics 11.9 0xFE1C Temp_Median 5.7 Temp_Hartmann_Top 6.2 (0xFEFC) Temp_Red_Cam_Bot 6.6 (0xFEEC) Temp_Red_Cam_Top 5.5 (0xFF18) Temp_Blue_Cam_Bot 5.9 (0xFF08) Temp_Blue_Cam_Top 5.7 (0xFF10) Spectro Bias Check: ------------------- Filename 02% 05% 10% 50% 90% 95% 98% ------------------- ------ ------ ------ ------ ------ ------ ------ sdR-b1-00058131.fit -5.8 -4.5 -2.5 1.9 7.4 8.5 10.7 sdR-b2-00058131.fit -8.4 -6.7 -4.7 1.6 6.9 9.2 10.6 sdR-r1-00058131.fit -6.8 -5.3 -3.8 1.2 6.7 8.2 10.0 sdR-r2-00058131.fit -8.1 -6.5 -4.9 0.9 6.6 8.2 10.3