HET Night Report Reader

Civil Date	Ephemerides
2026-02-14	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:50	01:36	02:04	12:15	12:43	13:30	12:41	-
Night Length	10:11		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Amy Westfall

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:48			12:49	twilight	12:01
Total Time Open					12:01

Program	Night Priority	Science
02:04	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:21	02:08	0.47	0.76	85	-2602	7.9	8.6	8.7	296	21	First of Night
08:36	09:09					5.6	6.6	6.7	337	10	Stack/Re-stack
12:42	12:48	0.64	1.08	70	-1008	5.6	6.2	6.2	325	6	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
5941	08:40-08:50	00:10	DMI very slow to return values during second stack of the night. When I first opened FreeRDP connection to DMI computer the software took a long time to render (interior of windows was white)
6641	02:00-02:00	00:00	CAM lost connection to AXIS Station & API apps; IR spotlight turned on; required powering off

TO Comments	Clear and windy at beginning of the night, calm at end of night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Quartz FCU	00:01	74.5			HPF	cal							Yes
0002	Alpha Bright Cal	00:03	85.2			HPF	cal							Yes
0003	Alpha Bright Cal	00:05	85.2			HPF	cal							Yes
0004	Alpha Bright Cal	00:07	85.2			HPF	cal							Yes
0005	Alpha Bright Cal	00:09	85.2			HPF	cal							Yes
0006	LFC FCU	00:12	106.5			HPF	cal							Yes
0007	LFC FCU	00:14	106.5			HPF	cal							Yes
0008	LFC Cal	00:17	106.5			HPF	cal							Yes
0009	LFC Cal	00:19	106.5			HPF	cal							Yes
0010	Etalon Cal	00:22	159.8			HPF	cal							Yes
lrs20000001_01	bias	00:26	0			LRS2	cal							Yes
virus0000001_01	bias	00:26	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:26	0			LRS2	cal							Yes
virus0000001_02	bias	00:27	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:27	0			LRS2	cal							Yes
virus0000001_03	bias	00:27	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:28	0			LRS2	cal							Yes
virus0000001_04	bias	00:28	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:29	0			LRS2	cal							Yes
virus0000001_05	bias	00:29	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:30	0			LRS2	cal							Yes
virus0000001_06	bias	00:30	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:31	0			LRS2	cal							Yes
virus0000001_07	bias	00:31	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:32	0			LRS2	cal							Yes
virus0000001_08	bias	00:32	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:33	0			LRS2	cal							Yes
virus0000001_09	bias	00:33	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:33	0			LRS2	cal							Yes
virus0000001_10	bias	00:34	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:34	0			LRS2	cal							Yes
virus0000001_11	bias	00:35	0			VIRUS	cal							Yes
0011	twilight	00:47	298.2			HPF	cal					503		Yes
lrs20000002_01	skyflat	00:55	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:56	10			LRS2	cal							Yes
lrs20000004_01	skyflat	00:57	13			LRS2	cal							Yes
lrs20000005_01	skyflat	00:58	16			LRS2	cal							Yes
lrs20000006_01	skyflat	00:59	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:01	30			LRS2	cal							Yes
virus0000002_01	skyflat	01:03	7			VIRUS	cal							Yes
virus0000003_01	skyflat	01:04	10			VIRUS	cal							Yes
virus0000004_01	skyflat	01:06	14			VIRUS	cal							Yes
virus0000005_01	skyflat	01:07	18			VIRUS	cal							Yes
virus0000006_01	skyflat	01:09	26			VIRUS	cal							Yes
0012	UNe Slave Cal	01:11	426			HPF	cal							Yes
lrs20000008_01	flat_Qth_R	01:11	15			LRS2	cal							Yes
lrs20000008_02	flat_Qth_R	01:13	15			LRS2	cal							Yes
lrs20000008_03	flat_Qth_R	01:14	15			LRS2	cal							Yes
lrs20000008_04	flat_Qth_R	01:15	15			LRS2	cal							Yes
lrs20000008_05	flat_Qth_R	01:16	15			LRS2	cal							Yes
lrs20000009_01	flat_ldls_long_B	01:18	20			LRS2	cal							Yes
0013	UNe Slave Cal	01:19	426			HPF	cal							Yes
lrs20000009_02	flat_ldls_long_B	01:19	20			LRS2	cal							Yes
lrs20000009_03	flat_ldls_long_B	01:20	20			LRS2	cal							Yes
lrs20000010_01	Cd-A_B	01:21	29			LRS2	cal							Yes
lrs20000010_02	Cd-A_B	01:23	29			LRS2	cal							Yes
lrs20000010_03	Cd-A_B	01:24	29			LRS2	cal							Yes
0014	UNe Slave Cal	01:26	426			HPF	cal							Yes
lrs20000011_01	FeAr_R	01:26	15			LRS2	cal							Yes
lrs20000011_02	FeAr_R	01:27	15			LRS2	cal							Yes
lrs20000011_03	FeAr_R	01:28	15			LRS2	cal							Yes
lrs20000012_01	Hg_R	01:30	20			LRS2	cal							Yes
lrs20000012_02	Hg_R	01:31	20			LRS2	cal							Yes
lrs20000012_03	Hg_R	01:32	20			LRS2	cal							Yes
lrs20000013_01	Hg_B	01:34	15			LRS2	cal							Yes
0015	UNe Slave Cal	01:34	426			HPF	cal							Yes
lrs20000013_02	Hg_B	01:35	15			LRS2	cal							Yes
lrs20000013_03	Hg_B	01:36	15			LRS2	cal							Yes
0016	UNe Slave Cal	01:42	426			HPF	cal							Yes
virus0000007_01	flat_ldls_long	01:43	15			VIRUS	cal							Yes
virus0000007_02	flat_ldls_long	01:44	15			VIRUS	cal							Yes
virus0000007_03	flat_ldls_long	01:45	15			VIRUS	cal							Yes
virus0000008_01	Cd-A	01:47	15			VIRUS	cal							Yes
virus0000008_02	Cd-A	01:48	15			VIRUS	cal							Yes
0017	UNe Slave Cal	01:50	426			HPF	cal							Yes
virus0000008_03	Cd-A	01:50	15			VIRUS	cal							Yes
virus0000009_01	Hg	01:51	15			VIRUS	cal							Yes
virus0000009_02	Hg	01:52	15			VIRUS	cal							Yes
virus0000009_03	Hg	01:54	15			VIRUS	cal							Yes
lrs20000014_01	dark	01:56	360			LRS2	cal							Yes
virus0000010_01	dark	01:56	360			VIRUS	cal							Yes
lrs20000014_02	dark	02:02	360			LRS2	cal							Yes
virus0000010_02	dark	02:03	360			VIRUS	cal							Yes
virus0000011_01	parallel	02:17	2047			VIRUS	sci							Yes
0018	QID 1946	02:18	969.1	8.8	UT26-1-010	HPF	sci	1.35	0.89	20.24	0.87	153		Yes
0019	QID 1946	02:35	969.1	0.8	UT26-1-010	HPF	sci	1.29	0.97	20.18	0.88	133		Yes
0020	LFC Cal	02:53	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:57	1984			VIRUS	sci							Yes
0021	QID 2548	02:58	617.7	6.7	UT26-1-007	HPF	sci	1.72	0.74	20.35	0.93	93		Yes
0022	QID 2548	03:09	617.7	0.7	UT26-1-007	HPF	sci	1.58	1.07	20.38	0.91	90		Yes
0023	QID 2548	03:20	617.7	0.7	UT26-1-007	HPF	sci	1.51	0.94	20.29	0.96	81		Yes
0024	LFC Cal	03:32	106.5			HPF	cal							Yes
0025	LFC Cal	03:37	106.5			HPF	cal							Yes
lrs20000015_01	parallel	03:37	450			LRS2	sci							Yes
virus0000013_01	QID 1208	03:37	450	6.5	M26-1-002	VIRUS	sci	1.55	0.82	21.61	0.92			Yes
0026	LFC Cal	03:39	106.5			HPF	cal							Yes
0027	LFC Cal	03:42	106.5			HPF	cal							Yes
lrs20000015_02	parallel	03:45	450			LRS2	sci							Yes
virus0000013_02	QID 1208	03:46	450	1.5	M26-1-002	VIRUS	sci	1.93	1.14	21.56	0.89			Yes
lrs20000015_03	parallel	03:54	450			LRS2	sci							Yes
virus0000013_03	QID 1208	03:54	450	1.5	M26-1-002	VIRUS	sci	1.83	1.06	21.53	0.87			Yes
virus0000014_01	parallel	04:08	1060			VIRUS	sci							Yes
0028	QID 314	04:09	308.9	6.9	UT26-1-007	HPF	sci	1.52	0.92	20.43	0.96	126		P4
0029	QID 314	04:15	308.9	0.9	UT26-1-007	HPF	sci	1.47	0.93	20.44	0.95	129		P4
0030	QID 314	04:20	308.9	0.9	UT26-1-007	HPF	sci	1.42	0.94	20.43	0.95	133		P4
virus0000015_01	parallel	04:35	3000			VIRUS	sci							Yes
0031	LFC Cal	04:36	106.5			HPF	cal							Yes
lrs20000016_01	QID 1738	04:36	3000	10.0	PSU26-1-018	LRS2-B	sci	1.64	0.84	21.72	0.95			Yes
0032	LFC Cal	04:38	106.5			HPF	cal							Yes
0033	LFC Cal	04:40	106.5			HPF	cal							Yes
0034	LFC Cal	05:32	106.5			HPF	cal							Yes
lrs20000017_01	parallel	05:32	600			LRS2	sci							Yes
virus0000016_01	QID 2527	05:32	600	6.0	UT26-1-018	VIRUS	sci	1.85	1.04	21.71	0.78			Yes
0035	LFC Cal	05:35	106.5			HPF	cal							Yes
0036	LFC Cal	05:37	106.5			HPF	cal							Yes
lrs20000017_02	parallel	05:43	600			LRS2	sci							Yes
virus0000016_02	QID 2527	05:43	600	1.0	UT26-1-018	VIRUS	sci	1.80	0.90	21.69	0.80			Yes
lrs20000017_03	parallel	05:54	600			LRS2	sci							Yes
virus0000016_03	QID 2527	05:54	600	1.0	UT26-1-018	VIRUS	sci	1.71	0.97	21.68	0.78			Yes
lrs20000018_01	parallel	06:10	360			LRS2	sci							Yes
virus0000017_01	QID 353	06:10	360	6.0	UT26-1-008	VIRUS	sci	1.58	0.99	22.06	0.72			Yes
0037	LFC Cal	06:11	106.5			HPF	cal							Yes
0038	LFC Cal	06:13	106.5			HPF	cal							Yes
lrs20000018_02	parallel	06:17	360			LRS2	sci							Yes
virus0000017_02	QID 353	06:17	360	1.0	UT26-1-008	VIRUS	sci	1.54	0.89	22.01	0.75			Yes
lrs20000018_03	parallel	06:25	360			LRS2	sci							Yes
virus0000017_03	QID 353	06:25	360	2.0	UT26-1-008	VIRUS	sci	1.59	0.84	21.96	0.80			Yes
0039	LFC Cal	06:35	106.5			HPF	cal							Yes
lrs20000019_01	parallel	06:35	360			LRS2	sci							Yes
virus0000018_01	QID 1986	06:35	360	4.0	UT26-1-008	VIRUS	sci	1.76	0.97	21.71	0.87			Yes
0040	LFC Cal	06:38	106.5			HPF	cal							Yes
lrs20000019_02	parallel	06:42	360			LRS2	sci							Yes
virus0000018_02	QID 1986	06:42	360	1.0	UT26-1-008	VIRUS	sci	1.86	1.35	21.71	0.85			Yes
lrs20000019_03	parallel	06:49	360			LRS2	sci							Yes
virus0000018_03	QID 1986	06:49	360	1.0	UT26-1-008	VIRUS	sci	1.85	1.13	21.71	0.87			Yes
0041	HR2946_tell_std	07:03	117.2	8.0		HPF	telluric	1.88	1.38	20.55	1.04			Yes
0042	LFC Cal	07:14	106.5			HPF	cal							Yes
virus0000019_01	parallel	07:14	2580			VIRUS	sci							Yes
lrs20000020_01	QID 1740	07:14	2580	9.0	PSU26-1-018	LRS2-B	sci	1.87	1.54	21.87	0.93			Yes
0043	LFC Cal	07:17	106.5			HPF	cal							Yes
0044	LFC Cal	07:19	106.5			HPF	cal							Yes
0045	LFC Cal	07:58	106.5			HPF	cal							Yes
virus0000020_01	parallel	08:03	1984			VIRUS	sci							Yes
0046	QID 1596	08:04	617.7	6.7	UT26-1-007	HPF	sci	1.66	0.76	20.39	0.92	34		Yes
0047	QID 1596	08:15	617.7	0.7	UT26-1-007	HPF	sci	1.55	0.70	20.37	0.91	35		Yes
0048	QID 1596	08:26	617.7	0.7	UT26-1-007	HPF	sci	1.45	0.63	20.31	0.93	33		Yes
0049	LFC Cal	08:38	106.5			HPF	cal							Yes
lrs20000021_01	dark	08:41	360			LRS2	cal							Yes
virus0000021_01	dark	08:41	360			VIRUS	cal							Yes
0050	LFC Cal	09:13	106.5			HPF	cal							Yes
lrs20000022_01	parallel	09:13	400			LRS2	sci							Yes
virus0000022_01	QID 2557	09:13	400	4.3	UT26-1-013	VIRUS	sci	1.13	0.66	22.04	0.95			Yes
0051	LFC Cal	09:16	106.5			HPF	cal							Yes
0052	LFC Cal	09:18	106.5			HPF	cal							Yes
lrs20000022_02	parallel	09:21	400			LRS2	sci							Yes
virus0000022_02	QID 2557	09:21	400	1.3	UT26-1-013	VIRUS	sci	1.21	0.74	22.03	0.95			Yes
lrs20000022_03	parallel	09:29	400			LRS2	sci							Yes
virus0000022_03	QID 2557	09:29	400	1.3	UT26-1-013	VIRUS	sci	1.20	0.76	21.91	0.92			Yes
0053	LFC Cal	09:39	106.5			HPF	cal							Yes
lrs20000023_01	parallel	09:39	360			LRS2	sci							Yes
virus0000023_01	QID 380	09:39	360	3.0	UT26-1-008	VIRUS	sci	1.23	0.65	21.99	0.88			Yes
0054	LFC Cal	09:42	106.5			HPF	cal							Yes
lrs20000023_02	parallel	09:46	360			LRS2	sci							Yes
virus0000023_02	QID 380	09:47	360	2.0	UT26-1-008	VIRUS	sci	1.28	0.67	21.97	0.88			Yes
lrs20000023_03	parallel	09:54	360			LRS2	sci							Yes
virus0000023_03	QID 380	09:54	360	1.0	UT26-1-008	VIRUS	sci	1.33	0.54	21.98	0.88			Yes
virus0000024_01	P177D_034_E	10:05	60	5.0		VIRUS	spec	1.24	0.78	22.02	0.79			Yes
virus0000024_02	P177D_034_E	10:08	60	2.0		VIRUS	spec	1.25	0.70	22.03	0.79			Yes
virus0000024_03	P177D_034_E	10:10	60	1.0		VIRUS	spec	1.24	0.71	22.05	0.79			Yes
0055	LFC Cal	10:18	106.5			HPF	cal							Yes
virus0000025_01	parallel	10:18	1920			VIRUS	sci							Yes
lrs20000024_01	QID 1742	10:18	1920	7.0	PSU26-1-018	LRS2-B	sci	1.26	0.81	21.76	0.90			Yes
0056	LFC Cal	10:20	106.5			HPF	cal							Yes
0057	LFC Cal	10:23	106.5			HPF	cal							Yes
0058	LFC Cal	10:54	106.5			HPF	cal							Yes
lrs20000025_01	parallel	10:54	1000			LRS2	sci							Yes
virus0000026_01	QID 1899	10:54	1000	4.3	UT26-1-018	VIRUS	sci	1.35	0.97	22.09	0.91			Yes
0059	LFC Cal	10:57	106.5			HPF	cal							Yes
0060	LFC Cal	10:59	106.5			HPF	cal							Yes
lrs20000025_02	parallel	11:12	1000			LRS2	sci							Yes
virus0000026_02	QID 1899	11:12	1000	1.3	UT26-1-018	VIRUS	sci	1.30	0.72	22.15	0.88			Yes
lrs20000025_03	parallel	11:30	1000			LRS2	sci							Yes
virus0000026_03	QID 1899	11:30	1000	1.3	UT26-1-018	VIRUS	sci	1.20	0.70	22.08	0.94			Yes
lrs20000026_01	BD+601753_056_E	11:52	30	5.5		LRS2	spec	1.34	0.66	21.65	1.03			Yes
lrs20000027_01	BD+601753_066_E	11:56	30	2.5		LRS2	spec	1.24	0.86	20.65	1.04			Yes
virus0000027_01	parallel	12:02	1023			VIRUS	sci							Yes
0061	QID 1864	12:03	969.1	6.8	PSU26-1-007	HPF	sci	1.32	0.70	19.95	0.83	46		Yes
0062	LFC Cal	12:21	106.5			HPF	cal							Yes
virus0000028_01	parallel	12:23	1023			VIRUS	sci							Yes
0063	QID 1865	12:24	969.1	4.8	PSU26-1-007	HPF	sci	1.30	0.61	19.47	0.87	57		Yes
0064	LFC Cal	12:42	106.5			HPF	cal							Yes
lrs20000028_01	bias	12:43	0			LRS2	cal							Yes
virus0000029_01	bias	12:44	0			VIRUS	cal							Yes
virus0000030_01	Cd-A	12:47	15		ENG26-1-002	VIRUS	cal							Yes
virus0000031_01	Hg	12:48	15		ENG26-1-002	VIRUS	cal							Yes
0065	Dark	12:59	319.5			HPF	cal							Yes
0066	Quartz FCU	13:11	74.5			HPF	cal							Yes
0067	Quartz FCU	13:12	74.5			HPF	cal							Yes
0068	Quartz FCU	13:14	74.5			HPF	cal							Yes
0069	Quartz FCU	13:16	74.5			HPF	cal							Yes
0070	Quartz FCU	13:18	74.5			HPF	cal							Yes
0071	Quartz FCU	13:20	74.5			HPF	cal							Yes
0072	Quartz FCU	13:21	74.5			HPF	cal							Yes
0073	Alpha Bright Cal	13:24	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	13:26	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	13:28	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	13:30	85.2			HPF	cal							Yes
0077	LFC FCU	13:32	106.5			HPF	cal							Yes
0078	LFC FCU	13:35	106.5			HPF	cal							Yes
0079	LFC FCU	13:37	106.5			HPF	cal							Yes
0080	LFC FCU	13:39	106.5			HPF	cal							Yes
0081	LFC FCU	13:41	106.5			HPF	cal							Yes
0082	LFC FCU	13:44	106.5			HPF	cal							Yes
0083	LFC Cal	13:47	106.5			HPF	cal							Yes
0084	LFC Cal	13:49	106.5			HPF	cal							Yes
0085	Etalon Cal	13:57	159.8			HPF	cal							Yes
0086	Etalon Cal	14:00	159.8			HPF	cal							Yes
0087	Etalon Cal	14:03	159.8			HPF	cal							Yes
0088	Etalon Cal	14:06	159.8			HPF	cal							Yes
0089	UNe Slave Cal	14:10	426			HPF	cal							Yes
0090	UNe Slave Cal	14:18	426			HPF	cal							Yes
0091	UNe Slave Cal	14:25	426			HPF	cal							Yes
0092	UNe Slave Cal	14:33	426			HPF	cal							Yes
0093	UNe Slave Cal	14:41	426			HPF	cal							Yes
0094	UNe Slave Cal	14:49	426			HPF	cal							Yes
0050	LFC Cal	22:50	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	22:55	20			VIRUS	cal							Yes
virus0009901_01	bias	22:56	0			VIRUS	cal							Yes
virus0009902_01	dark	22:57	15			VIRUS	cal							Yes
virus0009907_01	flat_Qth	23:03	20			VIRUS	cal							Yes
virus0009908_01	bias	23:04	0			VIRUS	cal							Yes
virus0009909_01	dark	23:05	15			VIRUS	cal							Yes
virus0009914_01	flat_Qth	23:10	20			VIRUS	cal							Yes
virus0009915_01	bias	23:12	0			VIRUS	cal							Yes
virus0009916_01	dark	23:13	15			VIRUS	cal							Yes
lrs20000010_01	bias	23:18	0			LRS2	cal							Yes
lrs20009920_01	bias	23:33	0			LRS2	cal							Yes
lrs20009921_01	flat_ldls_long_B	23:36	20			LRS2	cal							Yes
lrs20009922_01	Cd-A_B	23:37	29			LRS2	cal							Yes
lrs20009923_01	FeAr_R	23:39	15			LRS2	cal							Yes
lrs20009924_01	Hg_B	23:40	15			LRS2	cal							Yes
0051	Dark	23:44	319.5			HPF	cal							Yes
0052	Quartz FCU	23:50	74.5			HPF	cal							Yes
0053	Quartz FCU	23:52	74.5			HPF	cal							Yes
0054	Quartz FCU	23:54	74.5			HPF	cal							Yes
0055	Quartz FCU	23:55	74.5			HPF	cal							Yes
0056	Quartz FCU	23:57	74.5			HPF	cal							Yes
0057	Quartz FCU	23:59	74.5			HPF	cal							Yes