Calibrations to Date

Flats Taken to Date

Filter Good Count Total Count Minimum Count Min Flats/Sequence Min ADU Max ADU

H 0 0 3 7 4000 25000

J 2 3 3 8 4000 25000

Y 0 0 3 8 1000 25000

H2 3 3 3 8 1000 25000

Ks 2 2 3 8 4000 25000

BrG 1 1 3 8 1000 25000

KCont 0 2 3 8 1000 25000

LowOH1 1 1 3 8 1000 25000

Filters Used So Far This Run

H J Y H2 Ks BrG KCont LowOH1

FiltersMounted

J H Ks H2 BrG Y KCont LowOH1

Successful Flat Sequence Times

Filter Date Start Time End Time

J 06-02-2026 18:38:40PM 18:43:25PM

J 07-02-2026 18:38:57PM 18:43:35PM

Ks 06-02-2026 18:34:22PM 18:37:17PM

Ks 07-02-2026 18:32:32PM 18:37:06PM

H2 07-02-2026 06:40:52AM 06:46:39AM

H2 06-02-2026 18:24:03PM 18:29:42PM

H2 07-02-2026 18:24:26PM 18:31:30PM

BrG 06-02-2026 18:18:15PM 18:22:56PM

LowOH1 07-02-2026 06:35:03AM 06:39:51AM

Failed Flat Sequence Times

Filter Date Start Time End Time

J 07-02-2026 06:32:08AM 06:33:47AM

***Error Twilight flat taken at 06:27:00 rejected due to low flux (1825.5 < 4000).
***Error 3283892f.fits taken at 06:34:12 rejected due to high flux (34317.0 > 25000).|***Error Not enough evening twilight flats for filter J taken 07-02-2026 - found 5, need 8|

KCont 07-02-2026 06:47:47AM 06:49:27AM

***Error 3283924f.fits taken at 06:49:51 rejected due to slope to small (2.41666666667 <= 2.5).
***Error 3283925f.fits taken at 06:50:19 rejected due to slope to small (2.01339285714 <= 2.5).|***Error 3283926f.fits taken at 06:50:44 rejected due to slope to small (1.7575 <= 2.5).|***Error 3283927f.fits taken at 06:51:08 rejected due to slope to small (1.71354166667 <= 2.5).|***Error 3283928f.fits taken at 06:51:34 rejected due to slope to small (1.48557692308 <= 2.5).|***Error 3283929f.fits taken at 06:51:58 rejected due to slope to small (1.61197916667 <= 2.5).|***Error 3283930f.fits taken at 06:52:23 rejected due to slope to small (1.4375 <= 2.5).|***Error 3283931f.fits taken at 06:52:48 rejected due to slope to small (1.3525 <= 2.5).|***Error 3283932f.fits taken at 06:53:13 rejected due to slope to small (1.3325 <= 2.5).|***Error 3283933f.fits taken at 06:53:53 rejected due to slope to small (1.8546875 <= 2.5).|***Error 3283934f.fits taken at 06:54:18 rejected due to slope to small (1.25 <= 2.5).|***Error 3283935f.fits taken at 06:54:42 rejected due to slope to small (1.22135416667 <= 2.5).|***Error 3283936f.fits taken at 06:55:07 rejected due to slope to small (1.065 <= 2.5).|***Error 3283937f.fits taken at 06:55:32 rejected due to slope to small (1.0125 <= 2.5).|***Error 3283938f.fits taken at 06:55:56 rejected due to slope to small (1.0234375 <= 2.5).|***Error Not enough evening twilight flats for filter KCont taken 07-02-2026 - found 5, need 8|

KCont 07-02-2026 18:18:07PM 18:22:40PM

***Error 3283950f.fits taken at 18:18:32 rejected due to slope to small (1.2275 <= 2.5).
***Error 3283951f.fits taken at 18:18:56 rejected due to slope to small (1.43229166667 <= 2.5).|***Error 3283952f.fits taken at 18:19:21 rejected due to slope to small (1.38 <= 2.5).|***Error 3283953f.fits taken at 18:19:46 rejected due to slope to small (1.465 <= 2.5).|***Error 3283954f.fits taken at 18:20:11 rejected due to slope to small (1.5 <= 2.5).|***Error 3283955f.fits taken at 18:20:36 rejected due to slope to small (1.6775 <= 2.5).|***Error 3283956f.fits taken at 18:21:01 rejected due to slope to small (1.8775 <= 2.5).|***Error 3283957f.fits taken at 18:21:25 rejected due to slope to small (2.203125 <= 2.5).|***Error 3283958f.fits taken at 18:21:50 rejected due to slope to small (2.3425 <= 2.5).|***Error Not enough evening twilight flats for filter KCont taken 07-02-2026 - found 3, need 8|

Twilight Flat Plots

Filter Date of Sequence Start Time End Time Plot

J 06-02-2026 18:38:40PM 18:43:25PM

J 07-02-2026 18:38:57PM 18:43:35PM

Ks 06-02-2026 18:34:22PM 18:37:17PM

Ks 07-02-2026 18:32:32PM 18:37:06PM

H2 07-02-2026 06:40:52AM 06:46:39AM

H2 06-02-2026 18:24:03PM 18:29:42PM

H2 07-02-2026 18:24:26PM 18:31:30PM

BrG 06-02-2026 18:18:15PM 18:22:56PM

LowOH1 07-02-2026 06:35:03AM 06:39:51AM

Darks Etimes Taken to Date

3 5 6 10 15 20 30 45 60 90

Focus Exposures to Date

Filter Taken Required

J 11 3

H 2 3

Ks 3 3

H2 3 3

BrG 2 3

Y 2 3

KCont 1 3

LowOH1 2 3

Master Twilight Flats for 26Aw01

Filter J

mastertwilightflat_J_26Aw01_v200.fits Thu Feb 05 18:38:40 HST 2026

Filter H2

mastertwilightflat_H2_26Aw01_v200.fits Thu Feb 05 18:24:03 HST 2026

Filter Ks

mastertwilightflat_Ks_26Aw01_v200.fits Thu Feb 05 18:34:22 HST 2026

Filter BrG

mastertwilightflat_BrG_26Aw01_v200.fits Thu Feb 05 18:18:15 HST 2026

Filter LowOH1

mastertwilightflat_LowOH1_26Aw01_v200.fits Fri Feb 06 06:35:03 HST 2026