HET Night Report Reader

Civil Date	Ephemerides
2026-05-18	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:53	02:44	03:18	10:26	11:00	11:52	-	04:23
Night Length	7:08		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Cassie Crowe	-	-

Overlaps
TO Overlap	RA Overlap
-	Zach Vanderbosch

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:53	24.2	21.8	06:38	dust	04:45
07:37	19.4	20.7	11:08	twilight	03:31
Total Time Open					8:16

Program	Night Priority	Science
03:18	Science
06:27	Idle due to weather (high dust count)
07:37	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:22	02:54	0.45	0.69	-390	-590	24.3	21.8	21.7	190	7	First of Night
08:31	08:57	0.41	0.63	-400	+1324	18.6	19.4	19.4	300	28	Stack/Re-stack
10:59	11:05	0.60	0.87	-560	+1324	17.5	18.2	18.3	308	23	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear but brief dust.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000033_02	dark	00:06	360			LRS2	cal							Yes
virus0000030_02	dark	00:06	360			VIRUS	cal							Yes
lrs20000033_03	dark	00:13	360			LRS2	cal							Yes
virus0000030_03	dark	00:13	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:59	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:00	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:01	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:02	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:04	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:05	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:08	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:10	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:11	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:12	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:14	26			VIRUS	cal							Yes
0001	LFC Cal	03:01	106.5			HPF	cal							Yes
virus0000006_01	parallel	03:01	300			VIRUS	sci							Yes
lrs20000007_01	QID 601	03:01	300	7.0	PSU26-2-001	LRS2-R	sci	1.53	0.82	20.24	0.87			P4
0002	LFC Cal	03:03	106.5			HPF	cal							Yes
0003	QID 119	03:13	969.1	6.8	UT26-2-019	HPF	sci	1.53	0.98	20.12	0.98	329		P4
virus0000007_01	parallel	03:13	1023			VIRUS	sci							Yes
0004	LFC Cal	03:31	106.5			HPF	cal							Yes
virus0000008_01	parallel	03:35	2083			VIRUS	sci							Yes
0005	QID 809	03:36	649.6	6.2	PSU26-2-015	HPF	sci	1.74	0.96	20.19	0.91	343		Yes
0006	QID 809	03:47	649.6	1.2	PSU26-2-015	HPF	sci	1.78	0.90	20.18	0.90	342		Yes
0007	QID 809	03:59	649.6	1.2	PSU26-2-015	HPF	sci	1.69	1.00	20.08	0.91	285		Yes
0008	LFC Cal	04:11	106.5			HPF	cal							Yes
0009	LFC Cal	04:16	106.5			HPF	cal							Yes
virus0000009_01	parallel	04:16	3600			VIRUS	sci							Yes
lrs20000008_01	QID 7	04:16	3600	6.0	PSU26-2-005	LRS2-B	sci	1.50	1.00	21.83	0.82			Yes
0010	LFC Cal	04:18	106.5			HPF	cal							Yes
0011	LFC Cal	04:21	106.5			HPF	cal							Yes
0012	LFC Cal	05:20	106.5			HPF	cal							Yes
lrs20000009_01	parallel	05:20	360			LRS2	sci							Yes
virus0000010_01	QID 922	05:20	360	4.0	UT26-2-016	VIRUS	sci	1.58	0.96	21.79	0.94			Yes
0013	LFC Cal	05:23	106.5			HPF	cal							Yes
lrs20000009_02	parallel	05:27	360			LRS2	sci							Yes
virus0000010_02	QID 922	05:27	360	1.0	UT26-2-016	VIRUS	sci	1.74	1.04	21.77	0.93			Yes
lrs20000009_03	parallel	05:35	360			LRS2	sci							Yes
virus0000010_03	QID 922	05:35	360	2.0	UT26-2-016	VIRUS	sci	1.81	1.02	21.78	0.92			Yes
0014	LFC Cal	05:44	106.5			HPF	cal							Yes
lrs20000010_01	parallel	05:44	360			LRS2	sci							Yes
virus0000011_01	QID 921	05:44	360	3.0	UT26-2-016	VIRUS	sci	1.99	1.81	21.72	0.92			Yes
0015	LFC Cal	05:46	106.5			HPF	cal							Yes
lrs20000010_02	parallel	05:51	360			LRS2	sci							Yes
virus0000011_02	QID 921	05:51	360	1.0	UT26-2-016	VIRUS	sci	1.90	1.62	21.65	0.91			Yes
lrs20000010_03	parallel	05:58	360			LRS2	sci							Yes
virus0000011_03	QID 921	05:58	360	1.0	UT26-2-016	VIRUS	sci	1.91	1.58	21.61	0.95			Yes
virus0000012_01	parallel	06:10	1060			VIRUS	sci							Yes
0016	QID 716	06:11	308.9	6.9	UT26-2-004	HPF	sci	1.65		20.52	0.83	310		P4
0017	QID 716	06:17	308.9	0.9	UT26-2-004	HPF	sci	1.57		20.39	0.82	314		P4
0018	QID 716	06:22	308.9	-0.1	UT26-2-004	HPF	sci	1.55		20.35	0.80	299		P4
0019	LFC Cal	06:29	106.5			HPF	cal							Yes
0020	LFC Cal	07:42	106.5			HPF	cal							Yes
virus0000013_01	parallel	07:42	600			VIRUS	sci							Yes
lrs20000011_01	QID 661	07:42	600	5.0	PSU26-2-004	LRS2-B	sci	1.88	1.41	21.69	0.85			Yes
0021	LFC Cal	07:45	106.5			HPF	cal							Yes
0022	LFC Cal	07:47	106.5			HPF	cal							Yes
virus0000014_01	parallel	07:58	1023			VIRUS	sci							Yes
0023	QID 109	07:59	969.1	6.8	UT26-2-019	HPF	sci	1.79	1.63	20.28	0.90	272		Yes
0024	LFC Cal	08:17	106.5			HPF	cal							Yes
0025	LFC Cal	08:20	106.5			HPF	cal							Yes
virus0000015_01	parallel	08:20	600			VIRUS	sci							Yes
lrs20000012_01	QID 911	08:20	600	5.0	PSU26-2-004	LRS2-B	sci	2.13	1.37	21.62	0.93			Yes
0026	LFC Cal	08:22	106.5			HPF	cal							Yes
0027	LFC Cal	08:25	106.5			HPF	cal							Yes
0028	LFC Cal	09:03	106.5			HPF	cal							Yes
lrs20000013_01	QID 337	09:03	180	6.0	UT26-2-017	LRS2-B	sci	1.97	1.49	21.42	0.84			P4
0029	LFC Cal	09:09	106.5			HPF	cal							Yes
virus0000016_01	parallel	09:09	360			VIRUS	sci							Yes
lrs20000014_01	QID 338	09:09	360	3.0	UT26-2-017	LRS2-R	sci	1.98	2.08	20.65	0.90			P4
0030	LFC Cal	09:11	106.5			HPF	cal							Yes
lrs20000015_01	1808347_056_E	09:20	120	5.0		LRS2	spec	2.17	2.12	21.78	1.02			Yes
lrs20000016_01	1808347_066_E	09:25	120	3.0		LRS2	spec	1.97	2.09	20.77	1.00			Yes
virus0000017_01	parallel	09:33	1200			VIRUS	sci							Yes
0031	LFC Cal	09:34	106.5			HPF	cal							Yes
lrs20000017_01	QID 652	09:34	1200	7.0	PSU26-2-004	LRS2-B	sci	2.14	1.74	21.39	0.88			Yes
0032	LFC Cal	09:36	106.5			HPF	cal							Yes
0033	LFC Cal	09:38	106.5			HPF	cal							Yes
virus0000018_01	parallel	10:00	2047			VIRUS	sci							Yes
0034	QID 811	10:01	969.1	6.8	PSU26-2-015	HPF	sci	1.68	1.43	20.28	0.87	303		Yes
0035	QID 811	10:18	969.1	0.8	PSU26-2-015	HPF	sci	1.67	1.22	20.31	0.89	297		Yes
0036	LFC Cal	10:36	106.5			HPF	cal							Yes
0037	QID 115	10:40	969.1	6.8	UT26-2-019	HPF	sci	1.75	1.25	20.04	0.97	416		P4
virus0000019_01	parallel	10:40	1023			VIRUS	sci							Yes
0038	LFC Cal	10:58	106.5			HPF	cal							Yes
lrs20000018_01	bias	10:59	0			LRS2	cal							Yes
virus0000020_01	bias	10:59	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	11:03	15		ENG26-2-002	VIRUS	cal							Yes
virus0000022_01	Hg	11:05	15		ENG26-2-002	VIRUS	cal							Yes
0039	Dark	11:11	319.5			HPF	cal							Yes
0040	Quartz FCU	11:23	74.5			HPF	cal							Yes
0041	Quartz FCU	11:25	74.5			HPF	cal							Yes
0042	Quartz FCU	11:26	74.5			HPF	cal							Yes
0043	Quartz FCU	11:28	74.5			HPF	cal							Yes
0044	Quartz FCU	11:30	74.5			HPF	cal							Yes
0045	Quartz FCU	11:32	74.5			HPF	cal							Yes
0046	Quartz FCU	11:34	74.5			HPF	cal							Yes
0047	Alpha Bright Cal	11:36	85.2			HPF	cal							Yes
0048	Alpha Bright Cal	11:38	85.2			HPF	cal							Yes
0049	Alpha Bright Cal	11:40	85.2			HPF	cal							Yes
0050	Alpha Bright Cal	11:42	85.2			HPF	cal							Yes
0051	LFC FCU	11:44	106.5			HPF	cal							Yes
0052	LFC FCU	11:47	106.5			HPF	cal							Yes
0053	LFC FCU	11:49	106.5			HPF	cal							Yes
0054	LFC FCU	11:51	106.5			HPF	cal							Yes
0055	LFC FCU	11:54	106.5			HPF	cal							Yes
0056	LFC FCU	11:56	106.5			HPF	cal							Yes
0057	LFC Cal	11:59	106.5			HPF	cal							Yes
0058	LFC Cal	12:01	106.5			HPF	cal							Yes
0059	Etalon Cal	12:09	159.8			HPF	cal							Yes
0060	Etalon Cal	12:12	159.8			HPF	cal							Yes
0061	Etalon Cal	12:15	159.8			HPF	cal							Yes
0062	Etalon Cal	12:19	159.8			HPF	cal							Yes
0063	UNe Slave Cal	12:22	426			HPF	cal							Yes
0064	UNe Slave Cal	12:30	426			HPF	cal							Yes
0065	UNe Slave Cal	12:38	426			HPF	cal							Yes
0066	UNe Slave Cal	12:45	426			HPF	cal							Yes
0067	UNe Slave Cal	12:53	426			HPF	cal							Yes
0068	UNe Slave Cal	13:01	426			HPF	cal							Yes
0096	LFC Cal	21:46	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:58	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:00	20			LRS2	cal							Yes
virus0009902_01	dark	22:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:03	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:04	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:05	15			LRS2	cal							Yes
0097	Dark	22:22	319.5			HPF	cal							Yes
0098	Quartz FCU	22:29	74.5			HPF	cal							Yes
0099	Quartz FCU	22:31	74.5			HPF	cal							Yes
0100	Quartz FCU	22:33	74.5			HPF	cal							Yes
0101	Quartz FCU	22:34	74.5			HPF	cal							Yes
0102	Quartz FCU	22:36	74.5			HPF	cal							Yes
0103	Quartz FCU	22:38	74.5			HPF	cal							Yes
0104	Quartz FCU	22:40	74.5			HPF	cal							Yes
0105	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0106	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0107	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0108	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0109	LFC FCU	22:50	106.5			HPF	cal							Yes
0110	LFC FCU	22:53	106.5			HPF	cal							Yes
0111	LFC Cal	22:56	106.5			HPF	cal							Yes
0112	LFC Cal	22:58	106.5			HPF	cal							Yes
0113	Etalon Cal	23:01	159.8			HPF	cal							Yes
0114	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000026_01	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000026_02	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000026_03	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000026_04	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000026_05	flat_Qth_R	23:11	15			LRS2	cal							Yes
0115	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000027_01	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000027_02	flat_ldls_long_B	23:14	20			LRS2	cal							Yes
lrs20000027_03	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
lrs20000028_01	Cd-A_B	23:16	29			LRS2	cal							Yes
lrs20000028_02	Cd-A_B	23:18	29			LRS2	cal							Yes
lrs20000028_03	Cd-A_B	23:19	29			LRS2	cal							Yes
0116	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000029_01	FeAr_R	23:21	15			LRS2	cal							Yes
lrs20000029_02	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000029_03	FeAr_R	23:23	15			LRS2	cal							Yes
lrs20000030_01	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000030_02	Hg_R	23:26	20			LRS2	cal							Yes
lrs20000030_03	Hg_R	23:27	20			LRS2	cal							Yes
0117	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000031_01	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000031_02	Hg_B	23:29	15			LRS2	cal							Yes
lrs20000031_03	Hg_B	23:31	15			LRS2	cal							Yes
0118	UNe Slave Cal	23:35	426			HPF	cal							Yes
virus0000026_01	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000026_02	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000026_03	flat_ldls_long	23:40	15			VIRUS	cal							Yes
virus0000027_01	Cd-A	23:41	15			VIRUS	cal							Yes
0119	UNe Slave Cal	23:43	426			HPF	cal							Yes
virus0000027_02	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000027_03	Cd-A	23:44	15			VIRUS	cal							Yes
virus0000028_01	Hg	23:45	15			VIRUS	cal							Yes
virus0000028_02	Hg	23:47	15			VIRUS	cal							Yes
virus0000028_03	Hg	23:48	15			VIRUS	cal							Yes
lrs20000032_01	bias	23:50	0			LRS2	cal							Yes
virus0000029_01	bias	23:50	0			VIRUS	cal							Yes
lrs20000032_02	bias	23:50	0			LRS2	cal							Yes
virus0000029_02	bias	23:51	0			VIRUS	cal							Yes
lrs20000032_03	bias	23:51	0			LRS2	cal							Yes
virus0000029_03	bias	23:51	0			VIRUS	cal							Yes
lrs20000032_04	bias	23:52	0			LRS2	cal							Yes
virus0000029_04	bias	23:52	0			VIRUS	cal							Yes
lrs20000032_05	bias	23:53	0			LRS2	cal							Yes
virus0000029_05	bias	23:53	0			VIRUS	cal							Yes
lrs20000032_06	bias	23:54	0			LRS2	cal							Yes
virus0000029_06	bias	23:54	0			VIRUS	cal							Yes
lrs20000032_07	bias	23:55	0			LRS2	cal							Yes
virus0000029_07	bias	23:55	0			VIRUS	cal							Yes
lrs20000032_08	bias	23:55	0			LRS2	cal							Yes
virus0000029_08	bias	23:56	0			VIRUS	cal							Yes
lrs20000032_09	bias	23:56	0			LRS2	cal							Yes
virus0000029_09	bias	23:57	0			VIRUS	cal							Yes
lrs20000032_10	bias	23:57	0			LRS2	cal							Yes
virus0000029_10	bias	23:57	0			VIRUS	cal							Yes
lrs20000032_11	bias	23:58	0			LRS2	cal							Yes
virus0000029_11	bias	23:58	0			VIRUS	cal							Yes
lrs20000033_01	dark	23:59	360			LRS2	cal							Yes
virus0000030_01	dark	23:59	360			VIRUS	cal							Yes

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