HET Night Report Reader

Civil Date	Ephemerides
2026-04-22	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:36	02:23	02:54	10:54	11:24	12:13	-	07:31
Night Length	8:00		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn	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
01:19	21.1	18.2	11:35	twilight	10:16
Total Time Open					10:16

Program	Night Priority	Science
02:54	Science
06:05	Engineering (hpf)
07:05	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:04	02:34	0.88	2.02	110	-6452	20.2	18.2	18.0	220	8	First of Night
11:30	11:35	0.91	1.37	350	-5549	15.7	16.1	16.2	291	27	Post-Observing

Problem Reports					no PRs

TO Comments	none

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000032_02	dark	00:03	360			LRS2	cal							Yes
virus0000029_02	dark	00:04	360			VIRUS	cal							Yes
lrs20000032_03	dark	00:10	360			LRS2	cal							Yes
virus0000029_03	dark	00:11	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:41	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:42	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:43	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:44	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:45	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:47	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:50	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:51	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:52	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:54	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:55	26			VIRUS	cal							Yes
0001	LFC Cal	02:35	106.5			HPF	cal							Yes
0002	LFC Cal	02:38	106.5			HPF	cal							Yes
0003	QID 478	02:42	915.9	4.7	G26-2-002	HPF	sci	1.48		20.16	0.68	35		Yes
virus0000006_01	parallel	02:42	1959			VIRUS	sci							Yes
0004	QID 478	02:58	915.9	1.7	G26-2-002	HPF	sci	1.46		20.13	0.72	36		Yes
0005	LFC Cal	03:15	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:21	1600			VIRUS	sci							Yes
0006	LFC Cal	03:22	106.5			HPF	cal							Yes
lrs20000007_01	QID 691	03:22	1600	7.3	UT26-2-003	LRS2-B	sci	1.46		20.68	0.95			Yes
0007	LFC Cal	03:24	106.5			HPF	cal							Yes
0008	LFC Cal	03:26	106.5			HPF	cal							Yes
lrs20000008_01	BD+541216_056_W	03:53	60	5.0		LRS2	spec	2.08		20.23	0.66			Yes
lrs20000009_01	BD+541216_066_W	03:58	30	3.5		LRS2	spec	1.48		19.74	0.95			Yes
0009	HR5109_tell_std	04:07	117.2	9.0		HPF	telluric	1.63		20.02	0.91			Yes
0010	QID 677	04:14	969.1	4.8	UT26-2-007	HPF	sci	1.45		19.81	0.93	30		Yes
virus0000008_01	parallel	04:14	2047			VIRUS	sci							Yes
0011	QID 677	04:31	969.1	0.8	UT26-2-007	HPF	sci	1.40	0.98	19.73	0.95	28		Yes
0012	QID 680	04:53	969.1	5.8	UT26-2-007	HPF	sci	1.57	1.28	19.87	0.81	22		Yes
virus0000009_01	parallel	04:53	2047			VIRUS	sci							Yes
0013	QID 680	05:10	969.1	0.8	UT26-2-007	HPF	sci	1.66	1.26	19.87	0.85	23		Yes
0014	LFC Cal	05:28	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:33	1959			VIRUS	sci							Yes
0015	QID 476	05:34	915.9	7.7	G26-2-002	HPF	sci	1.63	1.05	19.40	0.85	40		Yes
0016	QID 476	05:50	915.9	0.7	G26-2-002	HPF	sci	1.57	1.43	19.10	0.68	34		Yes
0017	LFC Cal	06:07	106.5			HPF	cal							Yes
0018	GJ_411	06:12	74.5	7.8	ENG26-2-000	HPF	eng	1.36	1.67	19.56	0.62	364		Yes
virus0000011_01	parallel	06:12	3811			VIRUS	eng							Yes
0019	GJ_411	06:14	74.5	-0.2	ENG26-2-000	HPF	eng	1.33	1.67	19.39	0.48	347	poor image quality but set overall okay	Yes
0020	GJ_411	06:16	74.5	0.8	ENG26-2-000	HPF	eng	1.22		19.22	0.37	317	poor image quality but set overall okay	Yes
0021	GJ_411	06:18	74.5	0.8	ENG26-2-000	HPF	eng	1.25	1.14	19.46	0.60	421		Yes
0022	GJ_411	06:20	74.5	0.8	ENG26-2-000	HPF	eng	1.25		19.32	0.51	376		Yes
0023	GJ_411	06:21	74.5	0.8	ENG26-2-000	HPF	eng	1.27		19.36	0.52	404		Yes
0024	GJ_411	06:23	74.5	-0.2	ENG26-2-000	HPF	eng	1.29		19.49	0.58	427		Yes
0025	GJ_411	06:25	74.5	0.8	ENG26-2-000	HPF	eng	1.26	1.07	19.56	0.62	454		Yes
0026	GJ_411	06:27	74.5	0.8	ENG26-2-000	HPF	eng	1.30	1.06	19.55	0.57	430		Yes
0027	GJ_411	06:28	74.5	0.8	ENG26-2-000	HPF	eng	1.28	1.06	19.52	0.56	447		Yes
0028	GJ_411	06:30	74.5	-0.2	ENG26-2-000	HPF	eng	1.28	0.98	19.50	0.55	456		Yes
0029	GJ_411	06:32	74.5	0.8	ENG26-2-000	HPF	eng	1.29	0.96	19.53	0.60	487		Yes
0030	GJ_411	06:34	74.5	0.8	ENG26-2-000	HPF	eng	1.30	0.93	19.83	0.77	545		Yes
0031	GJ_411	06:36	74.5	0.8	ENG26-2-000	HPF	eng	1.31	1.01	19.79	0.75	539		Yes
0032	GJ_411	06:37	74.5	0.8	ENG26-2-000	HPF	eng	1.34	1.01	19.73	0.70	478		Yes
0033	GJ_411	06:39	74.5	-0.2	ENG26-2-000	HPF	eng	1.42	1.14	19.70	0.69	494		Yes
0034	GJ_411	06:41	74.5	0.8	ENG26-2-000	HPF	eng	1.65	1.37	19.62	0.69	471		Yes
0035	GJ_411	06:43	74.5	0.8	ENG26-2-000	HPF	eng	1.51	1.39	19.82	0.80	492		Yes
0036	GJ_411	06:44	74.5	0.8	ENG26-2-000	HPF	eng	1.51	1.33	19.47	0.60	383		Yes
0037	GJ_411	06:46	74.5	-0.2	ENG26-2-000	HPF	eng	1.50	1.45	19.78	0.80	541		Yes
0038	GJ_411	06:48	74.5	0.8	ENG26-2-000	HPF	eng	1.59	1.04	20.08	0.95	546		Yes
0039	GJ_411	06:50	74.5	0.8	ENG26-2-000	HPF	eng	1.28	1.46	20.07	0.93	559		Yes
0040	GJ_411	06:52	74.5	0.8	ENG26-2-000	HPF	eng	1.50	1.22	20.08	0.94	525		Yes
0041	GJ_411	06:53	74.5	0.8	ENG26-2-000	HPF	eng	1.45	1.05	20.06	0.93	529		Yes
0042	GJ_411	06:55	74.5	-0.2	ENG26-2-000	HPF	eng	1.45	1.16	20.09	0.95	519		Yes
0043	GJ_411	06:57	74.5	0.8	ENG26-2-000	HPF	eng	1.55	1.18	19.78	0.81	434		Yes
0044	GJ_411	06:59	74.5	0.8	ENG26-2-000	HPF	eng	1.44	1.05	20.06	0.91	487		Yes
0045	GJ_411	07:00	74.5	0.8	ENG26-2-000	HPF	eng	1.42	1.08	20.16	0.96	495		Yes
0046	GJ_411	07:02	74.5	-0.2	ENG26-2-000	HPF	eng	1.42	0.99	20.17	0.95	484		Yes
0047	GJ_411	07:04	74.5	0.8	ENG26-2-000	HPF	eng	1.35	1.05	20.18	0.94	488		Yes
0048	LFC Cal	07:06	106.5			HPF	cal							Yes
virus0000012_01	parallel	07:10	1600			VIRUS	sci							Yes
lrs20000010_01	QID 692	07:10	1600	5.3	UT26-2-003	LRS2-R	sci	1.62	1.13	20.73	0.88			Yes
0049	LFC Cal	07:11	106.5			HPF	cal							Yes
0050	LFC Cal	07:13	106.5			HPF	cal							Yes
0051	LFC Cal	07:15	106.5			HPF	cal							Yes
0052	QID 803	07:43	969.1	5.8	PSU26-2-015	HPF	sci	1.48		20.15	0.91	149		Yes
virus0000013_01	parallel	07:43	2047			VIRUS	sci							Yes
0053	QID 803	08:00	969.1	0.8	PSU26-2-015	HPF	sci	1.47	0.89	20.19	0.92	157		Yes
0054	LFC Cal	08:18	106.5			HPF	cal							Yes
0055	QID 804	08:23	969.1	6.8	PSU26-2-015	HPF	sci	1.59	1.02	20.25	0.83	88		Yes
virus0000014_01	parallel	08:23	2047			VIRUS	sci							Yes
0056	QID 804	08:40	969.1	0.8	PSU26-2-015	HPF	sci	1.74	1.10	20.30	0.85	87		Yes
0057	LFC Cal	08:58	106.5			HPF	cal							Yes
virus0000015_01	HZ44_052_W	09:06	60	10.0		VIRUS	spec	1.73	0.96	21.90	0.85			Yes
virus0000015_02	HZ44_052_W	09:08	60	1.0		VIRUS	spec	1.73	1.07	21.90	0.85			Yes
virus0000015_03	HZ44_052_W	09:10	60	1.0		VIRUS	spec	1.75	1.19	21.88	0.84			Yes
0058	LFC Cal	09:20	106.5			HPF	cal							Yes
lrs20000011_01	parallel	09:20	1000			LRS2	sci							Yes
virus0000016_01	QID 205	09:20	1000	8.3	PSU26-2-003	VIRUS	sci	1.63	1.54	21.99	1.01			Yes
0059	LFC Cal	09:22	106.5			HPF	cal							Yes
0060	LFC Cal	09:24	106.5			HPF	cal							Yes
lrs20000011_02	parallel	09:37	1000			LRS2	sci							Yes
virus0000016_02	QID 205	09:37	1000	1.3	PSU26-2-003	VIRUS	sci	1.71	0.94	22.00	1.00			Yes
lrs20000011_03	parallel	09:55	1000			LRS2	sci							Yes
virus0000016_03	QID 205	09:55	1000	1.3	PSU26-2-003	VIRUS	sci	1.66	0.97	22.00	0.92			Yes
0061	LFC Cal	10:18	106.5			HPF	cal							Yes
lrs20000012_01	QID 399	10:18	180	6.0	UT26-2-017	LRS2-B	sci	2.08	1.03	21.73	0.72			Yes
virus0000017_01	parallel	10:24	360			VIRUS	sci							Yes
lrs20000013_01	QID 400	10:24	360	3.0	UT26-2-017	LRS2-R	sci	2.00	0.99	20.78	0.76			Yes
0062	LFC Cal	10:25	106.5			HPF	cal							Yes
0063	LFC Cal	10:27	106.5			HPF	cal							Yes
0064	LFC Cal	10:36	106.5			HPF	cal							Yes
virus0000018_01	parallel	10:36	300			VIRUS	sci							Yes
lrs20000014_01	QID 819	10:36	300	6.0	PSU26-2-004	LRS2-B	sci	2.24	1.03	21.56	0.72			Yes
0065	LFC Cal	10:39	106.5			HPF	cal							Yes
virus0000018_02	parallel	10:42	300			VIRUS	sci							Yes
lrs20000014_02	QID 819	10:42	300	1.0	PSU26-2-004	LRS2-B	sci	2.39	1.21	21.55	0.77			Yes
virus0000018_03	parallel	10:48	300			VIRUS	sci							Yes
lrs20000014_03	QID 819	10:49	300	2.0	PSU26-2-004	LRS2-B	sci	2.34	1.46	21.54	0.80			Yes
0066	QID 180	11:00	127.8	5.9	UT26-2-011	HPF	sci	2.13	1.19	20.02	0.94	275		Yes
0067	QID 184	11:09	106.5	6.2	UT26-2-011	HPF	sci	2.63	1.26	20.46	1.00	278		Yes
0068	LFC Cal	11:17	106.5			HPF	cal							Yes
virus0000019_01	parallel	11:17	600			VIRUS	sci							Yes
lrs20000015_01	QID 662	11:17	600	7.0	PSU26-2-004	LRS2-B	sci	2.21	1.04	19.53	0.99			Yes
0069	LFC Cal	11:20	106.5			HPF	cal							Yes
0070	LFC Cal	11:22	106.5			HPF	cal							Yes
lrs20000016_01	bias	11:28	0			LRS2	cal							Yes
virus0000020_01	bias	11:29	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	11:34	15		ENG26-2-002	VIRUS	cal							Yes
virus0000022_01	Hg	11:35	15		ENG26-2-002	VIRUS	cal							Yes
0071	Dark	11:44	319.5			HPF	cal							Yes
0072	Quartz FCU	11:56	74.5			HPF	cal							Yes
0073	Quartz FCU	11:57	74.5			HPF	cal							Yes
0074	Quartz FCU	11:59	74.5			HPF	cal							Yes
0075	Quartz FCU	12:01	74.5			HPF	cal							Yes
0076	Quartz FCU	12:03	74.5			HPF	cal							Yes
0077	Quartz FCU	12:04	74.5			HPF	cal							Yes
0078	Quartz FCU	12:06	74.5			HPF	cal							Yes
0079	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	12:12	85.2			HPF	cal							Yes
0082	Alpha Bright Cal	12:15	85.2			HPF	cal							Yes
0083	LFC FCU	12:17	106.5			HPF	cal							Yes
0084	LFC FCU	12:19	106.5			HPF	cal							Yes
0085	LFC FCU	12:22	106.5			HPF	cal							Yes
0086	LFC FCU	12:24	106.5			HPF	cal							Yes
0087	LFC FCU	12:26	106.5			HPF	cal							Yes
0088	LFC FCU	12:29	106.5			HPF	cal							Yes
0089	LFC Cal	12:32	106.5			HPF	cal							Yes
0090	LFC Cal	12:34	106.5			HPF	cal							Yes
0091	Etalon Cal	12:42	159.8			HPF	cal							Yes
0092	Etalon Cal	12:45	159.8			HPF	cal							Yes
0093	Etalon Cal	12:48	159.8			HPF	cal							Yes
0094	Etalon Cal	12:51	159.8			HPF	cal							Yes
0095	UNe Slave Cal	12:55	426			HPF	cal							Yes
0096	UNe Slave Cal	13:03	426			HPF	cal							Yes
0097	UNe Slave Cal	13:11	426			HPF	cal							Yes
0098	UNe Slave Cal	13:18	426			HPF	cal							Yes
0099	UNe Slave Cal	13:26	426			HPF	cal							Yes
0100	UNe Slave Cal	13:34	426			HPF	cal							Yes
0078	LFC Cal	21:39	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:51	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:51	20			VIRUS	cal							Yes
virus0009901_01	bias	21:53	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:54	20			LRS2	cal							Yes
virus0009902_01	dark	21:55	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:56	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:57	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	21:59	15			LRS2	cal							Yes
0079	Dark	22:20	319.5			HPF	cal							Yes
0080	Quartz FCU	22:26	74.5			HPF	cal							Yes
0081	Quartz FCU	22:28	74.5			HPF	cal							Yes
0082	Quartz FCU	22:30	74.5			HPF	cal							Yes
0083	Quartz FCU	22:32	74.5			HPF	cal							Yes
0084	Quartz FCU	22:33	74.5			HPF	cal							Yes
0085	Quartz FCU	22:35	74.5			HPF	cal							Yes
0086	Quartz FCU	22:37	74.5			HPF	cal							Yes
0087	Alpha Bright Cal	22:39	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	22:41	85.2			HPF	cal							Yes
0089	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0091	LFC FCU	22:48	106.5			HPF	cal							Yes
0092	LFC FCU	22:50	106.5			HPF	cal							Yes
0093	LFC Cal	22:53	106.5			HPF	cal							Yes
0094	LFC Cal	22:55	106.5			HPF	cal							Yes
0095	Etalon Cal	22:58	159.8			HPF	cal							Yes
0096	UNe Slave Cal	23:02	426			HPF	cal							Yes
lrs20000025_01	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000025_02	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000025_03	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000025_04	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000025_05	flat_Qth_R	23:08	15			LRS2	cal							Yes
0097	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000026_01	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
lrs20000026_02	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
lrs20000026_03	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000027_01	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000027_02	Cd-A_B	23:15	29			LRS2	cal							Yes
lrs20000027_03	Cd-A_B	23:16	29			LRS2	cal							Yes
0098	UNe Slave Cal	23:17	426			HPF	cal							Yes
lrs20000028_01	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000028_02	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000028_03	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000029_01	Hg_R	23:22	20			LRS2	cal							Yes
lrs20000029_02	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000029_03	Hg_R	23:24	20			LRS2	cal							Yes
0099	UNe Slave Cal	23:25	426			HPF	cal							Yes
lrs20000030_01	Hg_B	23:26	15			LRS2	cal							Yes
lrs20000030_02	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000030_03	Hg_B	23:28	15			LRS2	cal							Yes
0100	UNe Slave Cal	23:33	426			HPF	cal							Yes
virus0000025_01	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000026_02	Cd-A	23:40	15			VIRUS	cal							Yes
0101	UNe Slave Cal	23:41	426			HPF	cal							Yes
virus0000026_03	Cd-A	23:42	15			VIRUS	cal							Yes
virus0000027_01	Hg	23:43	15			VIRUS	cal							Yes
virus0000027_02	Hg	23:44	15			VIRUS	cal							Yes
virus0000027_03	Hg	23:46	15			VIRUS	cal							Yes
lrs20000031_01	bias	23:47	0			LRS2	cal							Yes
virus0000028_01	bias	23:47	0			VIRUS	cal							Yes
lrs20000031_02	bias	23:48	0			LRS2	cal							Yes
virus0000028_02	bias	23:48	0			VIRUS	cal							Yes
lrs20000031_03	bias	23:49	0			LRS2	cal							Yes
virus0000028_03	bias	23:49	0			VIRUS	cal							Yes
lrs20000031_04	bias	23:50	0			LRS2	cal							Yes
virus0000028_04	bias	23:50	0			VIRUS	cal							Yes
lrs20000031_05	bias	23:51	0			LRS2	cal							Yes
virus0000028_05	bias	23:51	0			VIRUS	cal							Yes
lrs20000031_06	bias	23:51	0			LRS2	cal							Yes
virus0000028_06	bias	23:52	0			VIRUS	cal							Yes
lrs20000031_07	bias	23:52	0			LRS2	cal							Yes
virus0000028_07	bias	23:52	0			VIRUS	cal							Yes
lrs20000031_08	bias	23:53	0			LRS2	cal							Yes
virus0000028_08	bias	23:53	0			VIRUS	cal							Yes
lrs20000031_09	bias	23:54	0			LRS2	cal							Yes
virus0000028_09	bias	23:54	0			VIRUS	cal							Yes
lrs20000031_10	bias	23:55	0			LRS2	cal							Yes
virus0000028_10	bias	23:55	0			VIRUS	cal							Yes
lrs20000031_11	bias	23:56	0			LRS2	cal							Yes
virus0000028_11	bias	23:56	0			VIRUS	cal							Yes
lrs20000032_01	dark	23:57	360			LRS2	cal							Yes
virus0000029_01	dark	23:57	360			VIRUS	cal							Yes