HET Night Report Reader

Civil Date	Ephemerides
2026-07-28	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:01	02:51	03:24	10:40	11:14	12:05	-	12:02
Night Length	7:16		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
Aiden Dillard	-

Other Personnel	Joshua Scally

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:53	27.2	26.1	11:12	twilight	09:19
Total Time Open					9:19

Program	Night Priority	Science
03:24	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:30	03:01	0.41	0.63	-430	-2146	24.8	26.1	26.3	120	9	First of Night
08:54	09:34	0.39	0.59	-470	+162	23.7	23.5	23.5	142	7	Stack/Re-stack
10:19	11:11					23.1	23.1	23.2	159	2	End of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear and calm night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000017_01	FeAr_R	00:00	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	00:01	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	00:02	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	00:03	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	00:05	20			LRS2	cal							Yes
0001	UNe Slave Cal	00:06	426			HPF	cal							Yes
lrs20000018_03	Hg_R	00:06	20			LRS2	cal							Yes
lrs20000019_01	Hg_B	00:07	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	00:08	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	00:10	15			LRS2	cal							Yes
virus0000001_01	flat_ldls_long	00:16	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:18	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:19	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:20	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:22	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:23	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:24	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:26	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:27	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:29	0			LRS2	cal							Yes
virus0000004_01	bias	00:29	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:29	0			LRS2	cal							Yes
virus0000004_02	bias	00:30	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:30	0			LRS2	cal							Yes
virus0000004_03	bias	00:30	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:31	0			LRS2	cal							Yes
virus0000004_04	bias	00:31	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:32	0			LRS2	cal							Yes
virus0000004_05	bias	00:32	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:33	0			LRS2	cal							Yes
virus0000004_06	bias	00:33	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:34	0			LRS2	cal							Yes
virus0000004_07	bias	00:34	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:34	0			LRS2	cal							Yes
virus0000004_08	bias	00:35	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:35	0			LRS2	cal							Yes
virus0000004_09	bias	00:36	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:36	0			LRS2	cal							Yes
virus0000004_10	bias	00:37	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:37	0			LRS2	cal							Yes
virus0000004_11	bias	00:37	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:38	360			LRS2	cal							Yes
virus0000005_01	dark	00:38	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:45	360			LRS2	cal							Yes
virus0000005_02	dark	00:45	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:52	360			LRS2	cal							Yes
virus0000005_03	dark	00:52	360			VIRUS	cal							Yes
0002	twilight	01:58	298.2			HPF	cal					474		Yes
lrs20000003_01	skyflat	02:06	7			LRS2	cal							Yes
lrs20000004_01	skyflat	02:07	10			LRS2	cal							Yes
lrs20000005_01	skyflat	02:08	13			LRS2	cal							Yes
lrs20000006_01	skyflat	02:09	16			LRS2	cal							Yes
lrs20000007_01	skyflat	02:11	22			LRS2	cal							Yes
lrs20000008_01	skyflat	02:12	30			LRS2	cal							Yes
virus0000006_01	skyflat	02:15	7			VIRUS	cal							Yes
virus0000007_01	skyflat	02:17	10			VIRUS	cal							Yes
virus0000008_01	skyflat	02:18	14			VIRUS	cal							Yes
virus0000009_01	skyflat	02:19	18			VIRUS	cal							Yes
virus0000010_01	skyflat	02:21	26			VIRUS	cal							Yes
0003	Etalon Cal	02:35	159.8			HPF	cal							Yes
0004	Etalon Cal	02:56	159.8			HPF	cal							Yes
0005	parallel	03:10	649.6	7.2	UT26-2-007	HPF	sci	1.57	1.06	19.21	0.88	114		Yes
virus0000011_01	parallel	03:10	2041.5			VIRUS	sci							Yes
0006	parallel	03:22	649.6	1.2	UT26-2-007	HPF	sci	1.53	1.08	19.13	0.88	108		Yes
0007	parallel	03:33	649.6	0.2	UT26-2-007	HPF	sci	1.53	1.23	19.10	0.82	92		Yes
0008	Etalon Cal	03:48	159.8			HPF	cal							Yes
virus0000012_01	parallel	03:51	2000			VIRUS	sci							Yes
0009	parallel	03:52	969.1	7.8	UT26-2-007	HPF	sci	1.58	1.27	19.05	0.83	24		Yes
0010	parallel	04:09	969.1	0.8	UT26-2-007	HPF	sci	1.58	1.04	19.04	0.83	25		Yes
virus0000013_01	parallel	04:31	2000			VIRUS	sci							Yes
0011	parallel	04:32	969.1	6.8	PSU26-2-015	HPF	sci	1.75	1.28	19.11	0.87	151		Yes
0012	parallel	04:49	969.1	0.8	PSU26-2-015	HPF	sci	1.87	1.54	19.06	0.87	139		Yes
0013	Etalon Cal	05:06	159.8			HPF	cal							Yes
virus0000014_01	parallel	05:11	6963			VIRUS	sci							Yes
0014	parallel	05:12	74.5	6.8	PSU26-2-006	HPF	sci	1.77	1.56	18.73	1.03	542		Yes
0015	parallel	05:14	74.5	0.8	PSU26-2-006	HPF	sci	1.59	1.56	18.73	1.03	655		Yes
0016	parallel	05:15	74.5	0.8	PSU26-2-006	HPF	sci	1.60	1.40	18.74	1.01	604		Yes
0017	parallel	05:17	74.5	-0.2	PSU26-2-006	HPF	sci	1.80	1.38	18.75	1.00	589		Yes
0018	parallel	05:19	74.5	0.8	PSU26-2-006	HPF	sci	1.73	1.25	18.77	1.01	602		Yes
0019	parallel	05:21	74.5	0.8	PSU26-2-006	HPF	sci	1.72	1.22	18.78	0.98	606		Yes
0020	parallel	05:23	74.5	0.8	PSU26-2-006	HPF	sci	1.76	1.21	18.79	0.97	602		Yes
0021	parallel	05:24	74.5	0.8	PSU26-2-006	HPF	sci	1.75	1.23	18.79	0.97	648		Yes
0022	parallel	05:26	74.5	-0.2	PSU26-2-006	HPF	sci	1.74	1.27	18.80	0.96	591		Yes
0023	parallel	05:28	74.5	0.8	PSU26-2-006	HPF	sci	1.76	1.10	18.82	0.94	587		Yes
0024	parallel	05:30	74.5	0.8	PSU26-2-006	HPF	sci	1.92	1.15	18.83	0.92	545		Yes
0025	parallel	05:31	74.5	0.8	PSU26-2-006	HPF	sci	1.98	1.18	18.84	0.92	519		Yes
0026	parallel	05:33	74.5	-0.2	PSU26-2-006	HPF	sci	1.89		18.84	0.90	547		Yes
0027	parallel	05:35	74.5	0.8	PSU26-2-006	HPF	sci	1.98	1.04	18.85	0.91	543		Yes
0028	parallel	05:37	74.5	0.8	PSU26-2-006	HPF	sci	2.09	1.04	18.86	0.87	500		Yes
0029	parallel	05:39	74.5	0.8	PSU26-2-006	HPF	sci	2.21	0.97	18.86	0.82	456		Yes
0030	parallel	05:40	74.5	0.8	PSU26-2-006	HPF	sci	2.21	0.88	18.86	0.81	458		Yes
0031	parallel	05:42	74.5	-0.2	PSU26-2-006	HPF	sci	2.32	0.90	18.86	0.78	409		Yes
0032	parallel	05:44	74.5	0.8	PSU26-2-006	HPF	sci	2.33	0.93	18.87	0.76	423		Yes
0033	parallel	05:46	74.5	0.8	PSU26-2-006	HPF	sci	2.35	0.96	18.87	0.74	422		Yes
0034	parallel	05:47	74.5	0.8	PSU26-2-006	HPF	sci	2.25	0.92	18.87	0.79	526		Yes
0035	parallel	05:49	74.5	-0.2	PSU26-2-006	HPF	sci	1.94	0.93	18.88	0.86	643		Yes
0036	parallel	05:51	74.5	0.8	PSU26-2-006	HPF	sci	1.81	0.77	18.89	0.85	666		Yes
0037	parallel	05:53	74.5	0.8	PSU26-2-006	HPF	sci	1.82	0.80	18.88	0.86	652		Yes
0038	parallel	05:55	74.5	0.8	PSU26-2-006	HPF	sci	1.82	0.84	18.88	0.85	650		Yes
0039	parallel	05:56	74.5	0.8	PSU26-2-006	HPF	sci	1.84	0.80	18.88	0.85	674		Yes
0040	parallel	05:58	74.5	-0.2	PSU26-2-006	HPF	sci	1.76	0.80	18.88	0.85	686		Yes
0041	parallel	06:00	74.5	0.8	PSU26-2-006	HPF	sci	1.74	1.01	18.89	0.83	687		Yes
0042	parallel	06:02	74.5	0.8	PSU26-2-006	HPF	sci	1.74	0.96	18.90	0.81	677		Yes
0043	parallel	06:03	74.5	0.8	PSU26-2-006	HPF	sci	1.80	0.80	18.91	0.81	662		Yes
0044	parallel	06:05	74.5	-0.2	PSU26-2-006	HPF	sci	1.80	0.82	18.91	0.82	675		Yes
0045	parallel	06:07	74.5	0.8	PSU26-2-006	HPF	sci	1.78	0.80	18.91	0.81	667		Yes
0046	parallel	06:09	74.5	0.8	PSU26-2-006	HPF	sci	1.80	0.86	18.91	0.81	671		Yes
0047	parallel	06:11	74.5	0.8	PSU26-2-006	HPF	sci	1.78	0.89	18.92	0.81	667		Yes
0048	parallel	06:12	74.5	0.8	PSU26-2-006	HPF	sci	1.77	0.85	18.93	0.81	677		Yes
0049	parallel	06:14	74.5	-0.2	PSU26-2-006	HPF	sci	1.72	0.93	18.93	0.81	693		Yes
0050	parallel	06:16	74.5	0.8	PSU26-2-006	HPF	sci	1.72	0.85	18.94	0.80	689		Yes
0051	parallel	06:18	74.5	0.8	PSU26-2-006	HPF	sci	1.73	0.89	18.95	0.79	691		Yes
0052	parallel	06:19	74.5	0.8	PSU26-2-006	HPF	sci	1.77	0.95	18.95	0.79	645		Yes
0053	parallel	06:21	74.5	-0.2	PSU26-2-006	HPF	sci	1.79	0.95	18.96	0.78	645		Yes
0054	parallel	06:23	74.5	0.8	PSU26-2-006	HPF	sci	1.95	0.90	18.95	0.79	614		Yes
0055	parallel	06:25	74.5	0.8	PSU26-2-006	HPF	sci	1.92	1.01	18.97	0.78	624		Yes
0056	parallel	06:27	74.5	0.8	PSU26-2-006	HPF	sci	1.98	1.20	18.97	0.77	602		Yes
0057	parallel	06:28	74.5	0.8	PSU26-2-006	HPF	sci	1.96	1.08	18.98	0.75	592		Yes
0058	parallel	06:30	74.5	-0.2	PSU26-2-006	HPF	sci	1.91	1.18	18.98	0.75	604		Yes
0059	parallel	06:32	74.5	0.8	PSU26-2-006	HPF	sci	1.86	1.05	19.00	0.75	626		Yes
0060	parallel	06:34	74.5	0.8	PSU26-2-006	HPF	sci	1.84	1.17	19.01	0.73	613		Yes
0061	parallel	06:35	74.5	0.8	PSU26-2-006	HPF	sci	1.93	1.00	19.01	0.72	578		Yes
0062	parallel	06:37	74.5	-0.2	PSU26-2-006	HPF	sci	1.97	1.10	19.02	0.71	547		Yes
0063	parallel	06:39	74.5	0.8	PSU26-2-006	HPF	sci	1.91	1.12	19.03	0.68	549		Yes
0064	parallel	06:41	74.5	0.8	PSU26-2-006	HPF	sci	1.93	1.28	19.04	0.68	529		Yes
0065	parallel	06:42	74.5	0.8	PSU26-2-006	HPF	sci	1.98	1.23	19.05	0.69	534		Yes
0066	parallel	06:44	74.5	0.8	PSU26-2-006	HPF	sci	1.97	1.34	19.07	0.66	506		Yes
0067	parallel	06:46	74.5	-0.2	PSU26-2-006	HPF	sci	1.94	1.03	19.07	0.66	509		Yes
0068	parallel	06:48	74.5	0.8	PSU26-2-006	HPF	sci	1.92	1.06	19.07	0.64	482		Yes
0069	parallel	06:50	74.5	0.8	PSU26-2-006	HPF	sci	2.04	1.01	19.07	0.63	470		Yes
0070	parallel	06:51	74.5	0.8	PSU26-2-006	HPF	sci	1.95	0.98	19.07	0.63	507		Yes
0071	parallel	06:53	74.5	-0.2	PSU26-2-006	HPF	sci	1.90	0.95	19.09	0.65	534		Yes
0072	parallel	06:55	74.5	0.8	PSU26-2-006	HPF	sci	1.88	1.14	19.11	0.63	490		Yes
0073	parallel	06:57	74.5	0.8	PSU26-2-006	HPF	sci	1.90	1.12	19.13	0.61	500		Yes
0074	Etalon Cal	06:59	159.8			HPF	cal							Yes
0075	parallel	07:08	969.1	10.8	UT26-2-007	HPF	sci	1.75	0.98	17.99	0.90	239		P4
virus0000015_01	parallel	07:08	1000			VIRUS	sci							Yes
0076	parallel	07:32	969.1	6.8	PSU26-2-015	HPF	sci	1.83	0.92	18.47	0.89	91		Yes
virus0000016_01	parallel	07:32	2000			VIRUS	sci							Yes
0077	parallel	07:49	969.1	1.8	PSU26-2-015	HPF	sci	1.96	1.01	18.43	0.91	86		Yes
0078	Etalon Cal	08:07	159.8			HPF	cal							Yes
0079	Etalon Cal	08:15	159.8			HPF	cal							Yes
0080	parallel	08:22	915.9	16.7	G26-2-002	HPF	sci	1.90	1.09	17.26	0.88	69		Yes
virus0000017_01	parallel	08:22	1914.8			VIRUS	sci							Yes
0081	parallel	08:39	915.9	0.7	G26-2-002	HPF	sci	2.04	1.11	17.18	0.78	57		Yes
0082	Etalon Cal	08:55	159.8			HPF	cal							Yes
virus0000018_01	parallel	09:01	2000			VIRUS	sci							Yes
0083	parallel	09:02	969.1	7.8	PSU26-2-015	HPF	sci	1.80	1.03	18.21	0.76		aborted for restack	No
0084	Etalon Cal	09:20	159.8			HPF	cal							Yes
0085	HR7_tell_std	09:41	117.2	6.0		HPF	telluric	1.71	1.03	18.97	0.84			Yes
0086	parallel	09:51	308.9	8.9	UT26-2-004	HPF	sci	1.61	1.15	17.81	0.89	168		Yes
virus0000019_01	parallel	09:51	1751.8			VIRUS	sci							Yes
0087	parallel	09:57	308.9	0.9	UT26-2-004	HPF	sci	1.51	1.10	17.82	0.90	185		Yes
0088	parallel	10:03	308.9	0.9	UT26-2-004	HPF	sci	1.42	0.98	17.80	0.90	196		Yes
0089	parallel	10:09	308.9	0.9	UT26-2-004	HPF	sci	1.28	1.01	17.74	0.89	197		Yes
0090	parallel	10:14	308.9	-0.1	UT26-2-004	HPF	sci	1.25	1.03	17.66	0.89	191		Yes
0091	Etalon Cal	10:21	159.8			HPF	cal							Yes
lrs20000009_01	bias	10:24	0			LRS2	cal							Yes
virus0000020_01	bias	10:25	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	10:29	15		ENG26-2-002	VIRUS	cal							Yes
virus0000022_01	Hg	10:31	15		ENG26-2-002	VIRUS	cal							Yes
0092	Dark	11:15	319.5			HPF	cal							Yes
0093	Quartz FCU	11:27	74.5			HPF	cal							Yes
0094	Quartz FCU	11:29	74.5			HPF	cal							Yes
0095	Quartz FCU	11:30	74.5			HPF	cal							Yes
0096	Quartz FCU	11:32	74.5			HPF	cal							Yes
0097	Quartz FCU	11:34	74.5			HPF	cal							Yes
0098	Quartz FCU	11:36	74.5			HPF	cal							Yes
0099	Quartz FCU	11:38	74.5			HPF	cal							Yes
0100	Alpha Bright Cal	11:40	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	11:42	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	11:44	85.2			HPF	cal							Yes
0103	Alpha Bright Cal	11:46	85.2			HPF	cal							Yes
0104	Etalon Cal	11:58	159.8			HPF	cal							Yes
0105	Etalon Cal	12:02	159.8			HPF	cal							Yes
0106	Etalon Cal	12:05	159.8			HPF	cal							Yes
0107	Etalon Cal	12:08	159.8			HPF	cal							Yes
0108	UNe Slave Cal	12:12	852			HPF	cal							Yes
0109	UNe Slave Cal	12:27	852			HPF	cal							Yes
0110	UNe Slave Cal	12:42	852			HPF	cal							Yes
virus0008100_01	dark	14:06	20			VIRUS	cal							Yes
virus0008103_01	dark	14:23	20			VIRUS	cal							Yes
virus0008103_02	dark	14:24	20			VIRUS	cal							Yes
virus0008104_01	flat_ldls_long	14:28	15			VIRUS	cal							Yes
virus0008104_02	flat_ldls_long	14:29	15			VIRUS	cal							Yes
virus0008105_01	bias	14:31	0			VIRUS	cal							Yes
virus0008105_02	bias	14:31	0			VIRUS	cal							Yes
0062	Etalon Cal	22:00	159.8			HPF	cal							Yes
0063	LFC Cal	22:08	106.5			HPF	cal							Yes
0064	Etalon Cal	22:22	159.8			HPF	cal							Yes
lrs20009900_01	bias	22:26	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:27	20			VIRUS	cal							Yes
virus0009901_01	bias	22:28	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:29	20			LRS2	cal							Yes
virus0009902_01	dark	22:30	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:31	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:32	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:34	15			LRS2	cal							Yes
0065	Dark	22:37	319.5			HPF	cal							Yes
0066	Quartz FCU	22:43	74.5			HPF	cal							Yes
0067	Quartz FCU	22:45	74.5			HPF	cal							Yes
0068	Quartz FCU	22:47	74.5			HPF	cal							Yes
0069	Quartz FCU	22:49	74.5			HPF	cal							Yes
0070	Quartz FCU	22:51	74.5			HPF	cal							Yes
0071	Quartz FCU	22:52	74.5			HPF	cal							Yes
0072	Quartz FCU	22:54	74.5			HPF	cal							Yes
0073	Alpha Bright Cal	22:56	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	22:58	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	23:00	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	23:02	85.2			HPF	cal							Yes
0077	Etalon Cal	23:14	159.8			HPF	cal							Yes
0078	Etalon Cal	23:18	159.8			HPF	cal							Yes
0079	Etalon Cal	23:21	159.8			HPF	cal							Yes
0080	Etalon Cal	23:24	159.8			HPF	cal							Yes
0081	UNe Slave Cal	23:28	426			HPF	cal							Yes
0082	UNe Slave Cal	23:35	426			HPF	cal							Yes
0083	UNe Slave Cal	23:43	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:45	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:46	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:48	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:49	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:50	15			LRS2	cal							Yes
0084	UNe Slave Cal	23:51	426			HPF	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:51	20			LRS2	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:53	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:54	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:55	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:57	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:58	29			LRS2	cal							Yes
0085	UNe Slave Cal	23:59	426			HPF	cal							Yes

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