HET Night Report Reader

Civil Date	Ephemerides
2026-03-18	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:13	01:58	02:26	11:40	12:08	12:54	-	-
Night Length	9:14		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:07	17.5	16.4	12:18	twilight	11:11
Total Time Open					11:11

Program	Night Priority	Science
02:26	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:43	02:17	0.62	1.10	90	-5758	17.3	17.1	16.8	349	6	First of Night
12:10	12:17	0.93	1.45	190	-4628	17.1	17.4	17.6	341	6	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6655	06:13-06:23	00:10	shuffle can not generate ACAM image

TO Comments	Calm wind, clear skies. First full night in the chair.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000030_01	flat_ldls_long	00:02	15			VIRUS	cal							Yes
virus0000030_02	flat_ldls_long	00:04	15			VIRUS	cal							Yes
virus0000030_03	flat_ldls_long	00:05	15			VIRUS	cal							Yes
virus0000031_01	Cd-A	00:06	15			VIRUS	cal							Yes
0001	UNe Slave Cal	00:07	426			HPF	cal							Yes
virus0000031_02	Cd-A	00:08	15			VIRUS	cal							Yes
virus0000031_03	Cd-A	00:09	15			VIRUS	cal							Yes
virus0000032_01	Hg	00:11	15			VIRUS	cal							Yes
virus0000032_02	Hg	00:12	15			VIRUS	cal							Yes
virus0000032_03	Hg	00:13	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:15	0			LRS2	cal							Yes
virus0000001_01	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:15	0			LRS2	cal							Yes
lrs20000001_03	bias	00:16	0			LRS2	cal							Yes
virus0000001_02	bias	00:16	0			VIRUS	cal							Yes
virus0000001_03	bias	00:17	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:17	0			LRS2	cal							Yes
virus0000001_04	bias	00:17	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:18	0			LRS2	cal							Yes
virus0000001_05	bias	00:18	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:19	0			LRS2	cal							Yes
virus0000001_06	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:20	0			LRS2	cal							Yes
virus0000001_07	bias	00:20	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:21	0			LRS2	cal							Yes
virus0000001_08	bias	00:21	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:22	0			LRS2	cal							Yes
virus0000001_09	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:22	0			LRS2	cal							Yes
virus0000001_10	bias	00:23	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:23	0			LRS2	cal							Yes
virus0000001_11	bias	00:24	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:24	360			LRS2	cal							Yes
virus0000002_01	dark	00:25	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:31	360			LRS2	cal							Yes
virus0000002_02	dark	00:31	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:38	360			LRS2	cal							Yes
virus0000002_03	dark	00:38	360			VIRUS	cal							Yes
lrs20000003_01	skyflat	01:18	7			LRS2	cal							Yes
lrs20000004_01	skyflat	01:19	10			LRS2	cal							Yes
lrs20000005_01	skyflat	01:20	13			LRS2	cal							Yes
lrs20000006_01	skyflat	01:21	16			LRS2	cal							Yes
lrs20000007_01	skyflat	01:22	22			LRS2	cal							Yes
lrs20000008_01	skyflat	01:24	30			LRS2	cal							Yes
virus0000003_01	skyflat	01:26	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:27	10			VIRUS	cal							Yes
virus0000005_01	skyflat	01:29	14			VIRUS	cal							Yes
virus0000006_01	skyflat	01:30	18			VIRUS	cal							Yes
virus0000007_01	skyflat	01:31	26			VIRUS	cal							Yes
0002	LFC Cal	02:23	106.5			HPF	cal							Yes
lrs20000009_01	parallel	02:23	360			LRS2	sci							Yes
virus0000008_01	parallel	02:23	360	5.0	UT26-1-008	VIRUS	sci	1.72	1.19	21.58	0.47		started a couple of minutes before18 degrees. Clouds. Check quality and let us know if like to reject	Yes
0003	LFC Cal	02:25	106.5			HPF	cal							Yes
lrs20000009_02	parallel	02:30	360			LRS2	sci							Yes
virus0000008_02	parallel	02:30	360	1.0	UT26-1-008	VIRUS	sci	1.65	1.15	21.60	0.47			Yes
lrs20000009_03	parallel	02:37	360			LRS2	sci							Yes
virus0000008_03	parallel	02:37	360	1.0	UT26-1-008	VIRUS	sci	1.57	1.36	21.69	0.54			Yes
virus0000009_01	parallel	02:52	1023			VIRUS	sci							Yes
0004	parallel	02:53	969.1	9.8	UT26-1-014	HPF	sci	1.53	1.36	19.91	0.57	293		P4
0005	LFC Cal	03:10	106.5			HPF	cal							Yes
0006	LFC Cal	03:17	106.5			HPF	cal							Yes
lrs20000010_01	parallel	03:17	540			LRS2	sci							Yes
virus0000010_01	parallel	03:17	540	8.0	UT26-1-008	VIRUS	sci	1.90	1.32	20.63	0.95			Yes
0007	LFC Cal	03:19	106.5			HPF	cal							Yes
0008	LFC Cal	03:21	106.5			HPF	cal							Yes
lrs20000010_02	parallel	03:27	540			LRS2	sci							Yes
virus0000010_02	parallel	03:27	540	1.0	UT26-1-008	VIRUS	sci	1.80	1.33	20.58	0.95			Yes
lrs20000010_03	parallel	03:37	540			LRS2	sci							Yes
virus0000010_03	parallel	03:37	540	1.0	UT26-1-008	VIRUS	sci	1.73	1.34	20.60	0.94			Yes
lrs20000011_01	parallel	03:50	360			LRS2	sci							Yes
0009	LFC Cal	03:51	106.5			HPF	cal							Yes
virus0000011_01	parallel	03:51	360	5.0	UT26-1-008	VIRUS	sci	1.75	1.42	22.07	0.51			Yes
0010	LFC Cal	03:53	106.5			HPF	cal							Yes
lrs20000011_02	parallel	03:58	360			LRS2	sci							Yes
virus0000011_02	parallel	03:58	360	1.0	UT26-1-008	VIRUS	sci	1.72	1.24	22.05	0.57			Yes
lrs20000011_03	parallel	04:05	360			LRS2	sci							Yes
virus0000011_03	parallel	04:05	360	1.0	UT26-1-008	VIRUS	sci	1.68	1.01	22.02	0.60			Yes
0011	LFC Cal	04:17	106.5			HPF	cal							Yes
lrs20000012_01	parallel	04:17	360			LRS2	sci							Yes
virus0000012_01	parallel	04:17	360	6.0	UT26-1-008	VIRUS	sci	1.69	0.83	21.74	0.79			Yes
0012	LFC Cal	04:20	106.5			HPF	cal							Yes
lrs20000012_02	parallel	04:24	360			LRS2	sci							Yes
virus0000012_02	parallel	04:24	360	1.0	UT26-1-008	VIRUS	sci	1.58	0.76	21.73	0.81			Yes
lrs20000012_03	parallel	04:32	360			LRS2	sci							Yes
virus0000012_03	parallel	04:32	360	2.0	UT26-1-008	VIRUS	sci	1.45	0.77	21.84	0.72			Yes
0013	LFC Cal	04:41	106.5			HPF	cal							Yes
lrs20000013_01	parallel	04:41	360			LRS2	sci							Yes
virus0000013_01	parallel	04:41	360	3.0	UT26-1-008	VIRUS	sci	1.51	0.84	21.79	0.56			Yes
0014	LFC Cal	04:44	106.5			HPF	cal							Yes
lrs20000013_02	parallel	04:48	360			LRS2	sci							Yes
virus0000013_02	parallel	04:48	360	1.0	UT26-1-008	VIRUS	sci	1.48	0.88	21.87	0.58			Yes
lrs20000013_03	parallel	04:56	360			LRS2	sci							Yes
virus0000013_03	parallel	04:56	360	2.0	UT26-1-008	VIRUS	sci	1.49	0.69	22.01	0.59			Yes
0015	LFC Cal	05:03	106.5			HPF	cal							Yes
0016	parallel	05:08	915.9	5.7	G26-1-002	HPF	sci	1.40	0.91	20.42	0.54	37		Yes
virus0000014_01	parallel	05:08	1959			VIRUS	sci							Yes
0017	parallel	05:24	915.9	1.7	G26-1-002	HPF	sci	1.30	0.74	20.31	0.57	33		Yes
0018	LFC Cal	05:41	106.5			HPF	cal							Yes
virus0000015_01	parallel	05:47	1500			VIRUS	sci							Yes
0019	LFC Cal	05:48	106.5			HPF	cal							Yes
lrs20000014_01	parallel	05:48	1500	8.0	UT26-1-002	LRS2-B	sci	1.36	0.86	21.73	0.80			Yes
0020	LFC Cal	05:50	106.5			HPF	cal							Yes
0021	LFC Cal	05:52	106.5			HPF	cal							Yes
0022	LFC Cal	06:28	106.5			HPF	cal							Yes
lrs20000015_01	parallel	06:28	360			LRS2	sci							Yes
virus0000016_01	parallel	06:28	360	5.0	UT26-1-008	VIRUS	sci	1.64		21.79	0.75			Yes
0023	LFC Cal	06:30	106.5			HPF	cal							Yes
lrs20000015_02	parallel	06:35	360			LRS2	sci							Yes
virus0000016_02	parallel	06:35	360	1.0	UT26-1-008	VIRUS	sci	1.59		21.79	0.79			Yes
lrs20000015_03	parallel	06:42	360			LRS2	sci							Yes
virus0000016_03	parallel	06:42	360	1.0	UT26-1-008	VIRUS	sci	1.54		21.81	0.80			Yes
0024	LFC Cal	06:56	106.5			HPF	cal							Yes
lrs20000016_01	parallel	06:56	360			LRS2	sci							Yes
virus0000017_01	parallel	06:56	360	8.0	UT26-1-008	VIRUS	sci	1.66		21.66	0.86			Yes
0025	LFC Cal	06:58	106.5			HPF	cal							Yes
lrs20000016_02	parallel	07:03	360			LRS2	sci							Yes
virus0000017_02	parallel	07:03	360	1.0	UT26-1-008	VIRUS	sci	1.60		21.62	0.88			Yes
lrs20000016_03	parallel	07:10	360			LRS2	sci							Yes
virus0000017_03	parallel	07:10	360	1.0	UT26-1-008	VIRUS	sci	1.51		21.60	0.92			Yes
lrs20000017_01	parallel	07:20	360			LRS2	sci							Yes
virus0000018_01	parallel	07:20	360	4.0	UT26-1-008	VIRUS	sci	1.40		21.60	0.88			Yes
0026	LFC Cal	07:21	106.5			HPF	cal							Yes
0027	LFC Cal	07:23	106.5			HPF	cal							Yes
lrs20000017_02	parallel	07:28	360			LRS2	sci							Yes
virus0000018_02	parallel	07:28	360	2.0	UT26-1-008	VIRUS	sci	1.35		21.55	0.84			Yes
lrs20000017_03	parallel	07:35	360			LRS2	sci							Yes
virus0000018_03	parallel	07:35	360	1.0	UT26-1-008	VIRUS	sci	1.30		21.53	0.83			Yes
0028	LFC Cal	07:46	106.5			HPF	cal							Yes
lrs20000018_01	parallel	07:46	360			LRS2	sci							Yes
virus0000019_01	parallel	07:46	360	5.0	UT26-1-008	VIRUS	sci	1.51		21.80	0.87			Yes
0029	LFC Cal	07:48	106.5			HPF	cal							Yes
lrs20000018_02	parallel	07:53	360			LRS2	sci							Yes
virus0000019_02	parallel	07:53	360	1.0	UT26-1-008	VIRUS	sci	1.43		21.78	0.89			Yes
lrs20000018_03	parallel	08:00	360			LRS2	sci							Yes
virus0000019_03	parallel	08:00	360	1.0	UT26-1-008	VIRUS	sci	1.45		21.80	0.90			Yes
0030	parallel	08:19	340.8	13.3	PSU26-1-010	HPF	sci	1.67		21.08	0.82	456		Yes
virus0000020_01	parallel	08:19	374			VIRUS	sci							Yes
0031	parallel	08:32	340.8	7.3	PSU26-1-010	HPF	sci	1.53		21.15	0.87	553		P4
virus0000021_01	parallel	08:32	374			VIRUS	sci							Yes
lrs20000019_01	FEIGE34_056_W	08:46	60	8.0		LRS2	spec	1.38		21.73	0.95			Yes
lrs20000020_01	FEIGE34_066_W	08:51	60	4.0		LRS2	spec	1.27		20.61	0.93			Yes
lrs20000021_01	parallel	08:56	360			LRS2	sci							Yes
virus0000022_01	parallel	08:56	360	4.0	UT26-1-008	VIRUS	sci	1.42	0.85	21.78	0.87			Yes
0032	LFC Cal	08:57	106.5			HPF	cal							Yes
0033	LFC Cal	08:59	106.5			HPF	cal							Yes
lrs20000021_02	parallel	09:04	360			LRS2	sci							Yes
virus0000022_02	parallel	09:04	360	2.0	UT26-1-008	VIRUS	sci	1.44	0.85	21.79	0.89			Yes
lrs20000021_03	parallel	09:11	360			LRS2	sci							Yes
virus0000022_03	parallel	09:11	360	1.0	UT26-1-008	VIRUS	sci	1.44	0.86	21.82	0.88			Yes
lrs20000022_01	parallel	09:22	360			LRS2	sci							Yes
virus0000023_01	parallel	09:22	360	5.0	UT26-1-008	VIRUS	sci	1.61	0.91	21.81	0.86			Yes
0034	LFC Cal	09:23	106.5			HPF	cal							Yes
0035	LFC Cal	09:25	106.5			HPF	cal							Yes
lrs20000022_02	parallel	09:30	360			LRS2	sci							Yes
virus0000023_02	parallel	09:30	360	2.0	UT26-1-008	VIRUS	sci	1.48	1.14	21.82	0.86			Yes
lrs20000022_03	parallel	09:37	360			LRS2	sci							Yes
virus0000023_03	parallel	09:37	360	1.0	UT26-1-008	VIRUS	sci	1.37	1.05	21.83	0.83			Yes
virus0000024_01	parallel	09:49	1800			VIRUS	sci							Yes
0036	LFC Cal	09:50	106.5			HPF	cal							Yes
lrs20000023_01	parallel	09:50	1800	7.0	M26-1-005	LRS2-R	sci	1.35	0.98	20.72	0.84			Yes
0037	LFC Cal	09:52	106.5			HPF	cal							Yes
0038	LFC Cal	09:54	106.5			HPF	cal							Yes
0039	LFC Cal	10:31	106.5			HPF	cal							Yes
lrs20000024_01	parallel	10:31	200	10.7	PSU26-1-022	LRS2-B	sci	1.77	1.25	21.60	0.90			Yes
virus0000025_01	parallel	10:41	2047			VIRUS	sci							Yes
0040	parallel	10:42	969.1	7.8	PSU26-1-023	HPF	sci	1.34	0.99	20.09	0.91	102		Yes
0041	parallel	10:59	969.1	0.8	PSU26-1-023	HPF	sci	1.39	1.12	20.09	0.94	108		Yes
0042	LFC Cal	11:17	106.5			HPF	cal							Yes
0043	LFC Cal	11:23	106.5			HPF	cal							Yes
virus0000026_01	parallel	11:23	1200			VIRUS	sci							Yes
lrs20000025_01	parallel	11:23	1200	8.0	PSU26-1-012	LRS2-B	sci	1.45	1.02	21.58	0.95			Yes
0044	LFC Cal	11:25	106.5			HPF	cal							Yes
0045	LFC Cal	11:28	106.5			HPF	cal							Yes
0046	parallel	11:51	969.1	7.8	UT26-1-014	HPF	sci	1.47	0.91	20.04	1.03	359		Yes
virus0000027_01	parallel	11:51	1023			VIRUS	sci							Yes
0047	LFC Cal	12:09	106.5			HPF	cal							Yes
lrs20000026_01	bias	12:09	0			LRS2	cal							Yes
virus0000028_01	bias	12:10	0			VIRUS	cal							Yes
virus0000029_01	Cd-A	12:13	15		ENG26-1-002	VIRUS	cal							Yes
virus0000030_01	Hg	12:14	15		ENG26-1-002	VIRUS	cal							Yes
0048	Dark	12:26	319.5			HPF	cal							Yes
0049	Quartz FCU	12:37	74.5			HPF	cal							Yes
0050	Quartz FCU	12:39	74.5			HPF	cal							Yes
0051	Quartz FCU	12:41	74.5			HPF	cal							Yes
0052	Quartz FCU	12:43	74.5			HPF	cal							Yes
0053	Quartz FCU	12:45	74.5			HPF	cal							Yes
0054	Quartz FCU	12:46	74.5			HPF	cal							Yes
0055	Quartz FCU	12:48	74.5			HPF	cal							Yes
0056	Alpha Bright Cal	12:50	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0060	LFC FCU	12:59	106.5			HPF	cal							Yes
0061	LFC FCU	13:01	106.5			HPF	cal							Yes
0062	LFC FCU	13:04	106.5			HPF	cal							Yes
0063	LFC FCU	13:06	106.5			HPF	cal							Yes
0064	LFC FCU	13:08	106.5			HPF	cal							Yes
0065	LFC FCU	13:10	106.5			HPF	cal							Yes
0066	LFC Cal	13:14	106.5			HPF	cal							Yes
0067	LFC Cal	13:16	106.5			HPF	cal							Yes
0068	Etalon Cal	13:23	159.8			HPF	cal							Yes
0069	Etalon Cal	13:27	159.8			HPF	cal							Yes
0070	Etalon Cal	13:30	159.8			HPF	cal							Yes
0071	Etalon Cal	13:33	159.8			HPF	cal							Yes
0072	UNe Slave Cal	13:37	426			HPF	cal							Yes
0073	UNe Slave Cal	13:44	426			HPF	cal							Yes
0074	UNe Slave Cal	13:52	426			HPF	cal							Yes
0075	UNe Slave Cal	14:00	426			HPF	cal							Yes
0076	UNe Slave Cal	14:08	426			HPF	cal							Yes
0077	UNe Slave Cal	14:15	426			HPF	cal							Yes
virus0008103_01	dark	18:15	20			VIRUS	cal							Yes
virus0008103_02	dark	18:16	20			VIRUS	cal							Yes
virus0008104_01	flat_ldls_long	18:20	15			VIRUS	cal							Yes
virus0008104_02	flat_ldls_long	18:21	15			VIRUS	cal							Yes
virus0008105_01	bias	18:23	0			VIRUS	cal							Yes
virus0008105_02	bias	18:24	0			VIRUS	cal							Yes
0073	LFC Cal	21:46	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:56	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:57	20			VIRUS	cal							Yes
virus0009901_01	bias	21:58	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:59	20			LRS2	cal							Yes
virus0009902_01	dark	22:00	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:01	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:03	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:04	15			LRS2	cal							Yes
0074	Dark	22:46	319.5			HPF	cal							Yes
0075	Quartz FCU	22:53	74.5			HPF	cal							Yes
0076	Quartz FCU	22:55	74.5			HPF	cal							Yes
0077	Quartz FCU	22:56	74.5			HPF	cal							Yes
0078	Quartz FCU	22:58	74.5			HPF	cal							Yes
0079	Quartz FCU	23:00	74.5			HPF	cal							Yes
0080	Quartz FCU	23:02	74.5			HPF	cal							Yes
0081	Quartz FCU	23:04	74.5			HPF	cal							Yes
0082	Alpha Bright Cal	23:06	85.2			HPF	cal							Yes
0083	Alpha Bright Cal	23:08	85.2			HPF	cal							Yes
0084	Alpha Bright Cal	23:10	85.2			HPF	cal							Yes
0085	Alpha Bright Cal	23:12	85.2			HPF	cal							Yes
0086	LFC FCU	23:14	106.5			HPF	cal							Yes
0087	LFC FCU	23:17	106.5			HPF	cal							Yes
0088	LFC Cal	23:20	106.5			HPF	cal							Yes
0089	LFC Cal	23:22	106.5			HPF	cal							Yes
0090	Etalon Cal	23:24	159.8			HPF	cal							Yes
0091	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000020_01	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000020_02	flat_Qth_R	23:32	15			LRS2	cal							Yes
lrs20000020_03	flat_Qth_R	23:34	15			LRS2	cal							Yes
lrs20000020_04	flat_Qth_R	23:35	15			LRS2	cal							Yes
0092	UNe Slave Cal	23:36	426			HPF	cal							Yes
lrs20000020_05	flat_Qth_R	23:36	15			LRS2	cal							Yes
lrs20000021_01	flat_ldls_long_B	23:37	20			LRS2	cal							Yes
lrs20000021_02	flat_ldls_long_B	23:39	20			LRS2	cal							Yes
lrs20000021_03	flat_ldls_long_B	23:40	20			LRS2	cal							Yes
lrs20000022_01	Cd-A_B	23:41	29			LRS2	cal							Yes
lrs20000022_02	Cd-A_B	23:43	29			LRS2	cal							Yes
0093	UNe Slave Cal	23:44	426			HPF	cal							Yes
lrs20000022_03	Cd-A_B	23:44	29			LRS2	cal							Yes
lrs20000023_01	FeAr_R	23:46	15			LRS2	cal							Yes
lrs20000023_02	FeAr_R	23:47	15			LRS2	cal							Yes
lrs20000023_03	FeAr_R	23:48	15			LRS2	cal							Yes
lrs20000024_01	Hg_R	23:49	20			LRS2	cal							Yes
lrs20000024_02	Hg_R	23:51	20			LRS2	cal							Yes
0094	UNe Slave Cal	23:51	426			HPF	cal							Yes
lrs20000024_03	Hg_R	23:52	20			LRS2	cal							Yes
lrs20000025_01	Hg_B	23:53	15			LRS2	cal							Yes
lrs20000025_02	Hg_B	23:54	15			LRS2	cal							Yes
lrs20000025_03	Hg_B	23:56	15			LRS2	cal							Yes
0095	UNe Slave Cal	23:59	426			HPF	cal							Yes