HET Night Report Reader

Civil Date	Ephemerides
2026-03-04	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:04	01:48	02:16	11:57	12:25	13:11	02:29	-
Night Length	9:41		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Cassie Crowe

Overlaps
TO Overlap	RA Overlap
-	Zach Vanderbosch

Other Personnel	none

Guests	Aiden and Tyler

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:56	15.1	15.2	11:59	twilight	11:03
Total Time Open					11:03

Program	Night Priority	Science
02:16	Science
08:20	Idle due to weather (clouds)
09:03	Science
10:27	Idle due to weather (clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:28	01:44				-6569	15.1	15.7	15.5	118	10	First of Night
05:34	06:42	0.74	1.31	55	-5723	13.7	13.9	13.7	184	8	Stack/Re-stack
↪ Comments			PR #6579
11:50	11:56	0.93	1.56	5	-5610	12.9	13.3	13.5	182	15	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:28-01:28, 05:47-05:47	00:00	Pistoned 4:7 by +50 total, 4:3 +20, 2:4 +10. 2nd time pistoned 4:7 by +30
6486	05:25-05:25	00:00	External dew point not reading accurately. Began reading accurately around 9:20 UT.
6579	05:39-06:25	00:46	8:9 and 9:8 oscillating. Took out 8:9. 9:8 stopped oscillating. 7:1 began oscillating causing 6:1, 6:2 and 5:1 to follow. Took it out of array as well.

TO Comments	Ran with no DMI all night. Clouds in and out and rising humidity.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Alpha Bright Cal	00:00	85.2			HPF	cal							Yes
0002	Alpha Bright Cal	00:02	85.2			HPF	cal							Yes
0003	LFC FCU	00:05	106.5			HPF	cal							Yes
0004	LFC FCU	00:07	106.5			HPF	cal							Yes
0005	LFC Cal	00:10	106.5			HPF	cal							Yes
0006	LFC Cal	00:12	106.5			HPF	cal							Yes
0007	Etalon Cal	00:15	159.8			HPF	cal							Yes
0008	UNe Slave Cal	00:19	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:20	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:21	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:23	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:24	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:25	15			LRS2	cal							Yes
0009	UNe Slave Cal	00:26	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:26	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:28	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:29	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:30	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:32	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:33	29			LRS2	cal							Yes
0010	UNe Slave Cal	00:34	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:35	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:36	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:37	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:38	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:40	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:41	20			LRS2	cal							Yes
0011	UNe Slave Cal	00:42	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:42	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:44	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:45	15			LRS2	cal							Yes
lrs20000007_01	bias	00:46	0			LRS2	cal							Yes
virus0000001_01	bias	00:46	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:47	0			LRS2	cal							Yes
virus0000001_02	bias	00:47	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:48	0			LRS2	cal							Yes
virus0000001_03	bias	00:48	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:49	0			LRS2	cal							Yes
virus0000001_04	bias	00:49	0			VIRUS	cal							Yes
0012	UNe Slave Cal	00:50	426			HPF	cal							Yes
lrs20000007_05	bias	00:50	0			LRS2	cal							Yes
virus0000001_05	bias	00:50	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:50	0			LRS2	cal							Yes
virus0000001_06	bias	00:51	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:51	0			LRS2	cal							Yes
virus0000001_07	bias	00:52	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:52	0			LRS2	cal							Yes
virus0000001_08	bias	00:53	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:53	0			LRS2	cal							Yes
virus0000001_09	bias	00:53	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:54	0			LRS2	cal							Yes
virus0000001_10	bias	00:54	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:55	0			LRS2	cal							Yes
virus0000001_11	bias	00:55	0			VIRUS	cal							Yes
0013	UNe Slave Cal	00:57	426			HPF	cal							Yes
lrs20000008_01	skyflat	01:08	7			LRS2	cal							Yes
lrs20000009_01	skyflat	01:09	10			LRS2	cal							Yes
lrs20000010_01	skyflat	01:10	13			LRS2	cal							Yes
lrs20000011_01	skyflat	01:11	16			LRS2	cal							Yes
lrs20000012_01	skyflat	01:13	22			LRS2	cal							Yes
lrs20000013_01	skyflat	01:14	30			LRS2	cal							Yes
virus0000002_01	skyflat	01:17	7			VIRUS	cal							Yes
virus0000003_01	skyflat	01:18	10			VIRUS	cal							Yes
virus0000004_01	skyflat	01:19	14			VIRUS	cal							Yes
virus0000005_01	skyflat	01:21	18			VIRUS	cal							Yes
virus0000006_01	skyflat	01:22	26			VIRUS	cal							Yes
virus0000007_01	flat_ldls_long	01:31	15			VIRUS	cal							Yes
virus0000007_02	flat_ldls_long	01:33	15			VIRUS	cal							Yes
virus0000007_03	flat_ldls_long	01:34	15			VIRUS	cal							Yes
virus0000008_01	Cd-A	01:35	15			VIRUS	cal							Yes
virus0000008_02	Cd-A	01:37	15			VIRUS	cal							Yes
virus0000008_03	Cd-A	01:38	15			VIRUS	cal							Yes
virus0000009_01	Hg	01:40	15			VIRUS	cal							Yes
virus0000009_02	Hg	01:41	15			VIRUS	cal							Yes
virus0000009_03	Hg	01:42	15			VIRUS	cal							Yes
virus0000010_01	parallel	01:48	2047			VIRUS	sci							Yes
0014	QID 2979	01:49	969.1	5.8	UT26-1-010	HPF	sci	1.80	1.47	19.62	1.00	77		Yes
0015	QID 2979	02:06	969.1	0.8	UT26-1-010	HPF	sci	1.68	1.40	19.88	1.00	74		Yes
0016	LFC Cal	02:24	106.5			HPF	cal							Yes
0017	LFC Cal	02:29	106.5			HPF	cal							Yes
lrs20000014_01	QID 2847	02:29	180	7.0	UT26-1-016	LRS2-B	sci	1.93	1.29	20.42	0.90			P4
0018	LFC Cal	02:36	106.5			HPF	cal							Yes
virus0000011_01	parallel	02:36	360			VIRUS	sci							Yes
lrs20000015_01	QID 2848	02:36	360	4.0	UT26-1-016	LRS2-R	sci	1.83	1.29	19.65	0.94			P4
0019	LFC Cal	02:39	106.5			HPF	cal							Yes
0020	LFC Cal	02:49	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:49	1000			VIRUS	sci							Yes
lrs20000016_01	QID 1441	02:49	1000	7.3	PSU26-1-012	LRS2-B	sci	1.53	1.05	19.47	0.81			Yes
0021	LFC Cal	02:51	106.5			HPF	cal							Yes
0022	LFC Cal	02:54	106.5			HPF	cal							Yes
virus0000012_02	parallel	03:07	1000			VIRUS	sci							Yes
lrs20000016_02	QID 1441	03:07	1000	1.3	PSU26-1-012	LRS2-B	sci	1.59	1.01	18.94	1.01			Yes
0023	QID 2776	03:31	969.1	7.8	UT26-1-014	HPF	sci	1.74	1.10	19.26	0.98	416		P4
virus0000013_01	parallel	03:31	1023			VIRUS	sci							Yes
0024	LFC Cal	03:49	106.5			HPF	cal							Yes
0025	LFC Cal	03:57	106.5			HPF	cal							Yes
virus0000014_01	parallel	03:57	1200			VIRUS	sci							Yes
lrs20000017_01	QID 1677	03:57	1200	9.0	UT26-1-016	LRS2-R	sci	1.76	0.80	19.18	1.00			P4
0026	LFC Cal	03:59	106.5			HPF	cal							Yes
0027	LFC Cal	04:01	106.5			HPF	cal							Yes
0028	LFC Cal	04:22	106.5			HPF	cal							Yes
virus0000015_01	parallel	04:22	600			VIRUS	sci							Yes
lrs20000018_01	QID 1678	04:22	600	5.0	UT26-1-016	LRS2-B	sci	1.62	0.73	18.95	0.99			P4
0029	LFC Cal	04:24	106.5			HPF	cal							Yes
0030	LFC Cal	04:27	106.5			HPF	cal							Yes
0031	HR2084_tell_std	04:48	117.2	16.0		HPF	telluric	1.77	0.77	18.99	0.85			Yes
0032	QID 2976	04:58	649.6	8.2	UT26-1-010	HPF	sci	1.80	0.68	17.77	0.87	356		Yes
virus0000016_01	parallel	04:58	2083			VIRUS	sci							Yes
0033	QID 2976	05:10	649.6	1.2	UT26-1-010	HPF	sci	1.76	0.73	17.80	0.87	343		Yes
0034	QID 2976	05:22	649.6	0.2	UT26-1-010	HPF	sci	1.56	0.70	17.65	0.95	317		Yes
0035	LFC Cal	05:34	106.5			HPF	cal							Yes
lrs20000019_01	dark	05:37	360			LRS2	cal							Yes
virus0000017_01	dark	05:37	360			VIRUS	cal							Yes
lrs20000019_02	dark	05:43	360			LRS2	cal							Yes
virus0000017_02	dark	05:44	360			VIRUS	cal							Yes
lrs20000019_03	dark	05:50	360			LRS2	cal							Yes
virus0000017_03	dark	05:50	360			VIRUS	cal							Yes
0036	LFC Cal	06:43	106.5			HPF	cal							Yes
virus0000018_01	parallel	06:48	1984			VIRUS	sci							Yes
0037	QID 1597	06:49	617.7	6.7	UT26-1-007	HPF	sci	1.94	1.49	18.95	0.86	21		Yes
0038	QID 1597	07:00	617.7	0.7	UT26-1-007	HPF	sci	1.93	1.41	18.94	0.93	21		Yes
0039	QID 1597	07:11	617.7	0.7	UT26-1-007	HPF	sci	1.94	1.26	18.84	0.92	24		Yes
0040	LFC Cal	07:23	106.5			HPF	cal							Yes
0041	LFC Cal	07:26	106.5			HPF	cal							Yes
lrs20000020_01	QID 2879	07:26	180	5.0	UT26-1-016	LRS2-B	sci	2.39	1.49	18.68	0.90			P4
0042	LFC Cal	07:33	106.5			HPF	cal							Yes
virus0000019_01	parallel	07:33	360			VIRUS	sci							Yes
lrs20000021_01	QID 2880	07:33	360	4.0	UT26-1-016	LRS2-R	sci	2.17	1.62	18.69	0.93			P4
0043	LFC Cal	07:35	106.5			HPF	cal							Yes
0044	QID 2987	07:46	969.1	6.8	UT26-1-010	HPF	sci	1.77	1.24	18.03	0.84	53		Yes
virus0000020_01	parallel	07:46	2047			VIRUS	sci							Yes
0045	QID 2987	08:03	969.1	1.8	UT26-1-010	HPF	sci	1.99	1.63	18.13	0.80	53		Yes
0046	LFC Cal	08:21	106.5			HPF	cal							Yes
0047	QID 2994	08:29	649.6	9.2	PSU26-1-023	HPF	sci	1.95	1.35	17.49	0.81	304	clouds	No
virus0000021_01	parallel	08:29	2083			VIRUS	sci							Yes
0048	QID 2994	08:41	649.6	1.2	PSU26-1-023	HPF	sci	2.01	1.42	17.65	0.79	288		No
0049	QID 2994	08:52	649.6	0.2	PSU26-1-023	HPF	sci		1.70			27		No
0050	LFC Cal	09:05	106.5			HPF	cal							Yes
virus0000022_01	parallel	09:10	2203			VIRUS	sci							Yes
0051	QID 1464	09:11	330.2	7.5	UT26-1-010	HPF	sci	2.37	2.69	18.04	0.68	199		P4
0052	QID 1464	09:17	330.2	0.5	UT26-1-010	HPF	sci	2.50	2.12	17.63	0.70	114		P4
0053	QID 1464	09:23	330.2	0.5	UT26-1-010	HPF	sci	2.52		18.00	0.74	172		P4
0054	QID 1464	09:29	330.2	1.5	UT26-1-010	HPF	sci	2.37		18.04	0.79	270		P4
0055	QID 1464	09:35	330.2	0.5	UT26-1-010	HPF	sci	2.19	1.88	17.98	0.79	298		P4
0056	QID 1464	09:41	330.2	0.5	UT26-1-010	HPF	sci	2.09	1.89	17.26	0.62	207		P4
0057	LFC Cal	09:48	106.5			HPF	cal							Yes
0058	QID 2997	09:53	969.1	5.8	PSU26-1-023	HPF	sci	2.40	1.68	18.43	0.65	51		Yes
virus0000023_01	parallel	09:53	2047			VIRUS	sci							Yes
0059	QID 2997	10:10	969.1	1.8	PSU26-1-023	HPF	sci	2.21	1.62	18.10	0.53	52		Yes
0060	LFC Cal	10:28	106.5			HPF	cal							Yes
virus0000024_01	dark	10:34	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_02	dark	10:41	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_03	dark	10:48	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_04	dark	10:55	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_05	dark	11:01	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_06	dark	11:08	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_07	dark	11:15	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_08	dark	11:22	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_09	dark	11:29	360		ENG26-1-004	VIRUS	cal							Yes
virus0000024_10	dark	11:36	360		ENG26-1-004	VIRUS	cal							Yes
lrs20000022_01	bias	11:51	0			LRS2	cal							Yes
virus0000025_01	bias	11:51	0			VIRUS	cal							Yes
virus0000026_01	Cd-A	11:56	15		ENG26-1-002	VIRUS	cal							Yes
virus0000027_01	Hg	11:57	15		ENG26-1-002	VIRUS	cal							Yes
0061	Dark	12:08	319.5			HPF	cal							Yes
0062	Quartz FCU	12:19	74.5			HPF	cal							Yes
0063	Quartz FCU	12:21	74.5			HPF	cal							Yes
0064	Quartz FCU	12:23	74.5			HPF	cal							Yes
0065	Quartz FCU	12:25	74.5			HPF	cal							Yes
0066	Quartz FCU	12:26	74.5			HPF	cal							Yes
0067	Quartz FCU	12:28	74.5			HPF	cal							Yes
0068	Quartz FCU	12:30	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	12:32	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	12:34	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	12:36	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	12:38	85.2			HPF	cal							Yes
0073	LFC FCU	12:41	106.5			HPF	cal							Yes
0074	LFC FCU	12:43	106.5			HPF	cal							Yes
0075	LFC FCU	12:45	106.5			HPF	cal							Yes
0076	LFC FCU	12:48	106.5			HPF	cal							Yes
0077	LFC FCU	12:50	106.5			HPF	cal							Yes
0078	LFC FCU	12:52	106.5			HPF	cal							Yes
0079	LFC Cal	12:55	106.5			HPF	cal							Yes
0080	LFC Cal	12:58	106.5			HPF	cal							Yes
0081	Etalon Cal	13:05	159.8			HPF	cal							Yes
0082	Etalon Cal	13:08	159.8			HPF	cal							Yes
0083	Etalon Cal	13:12	159.8			HPF	cal							Yes
0084	Etalon Cal	13:15	159.8			HPF	cal							Yes
0085	UNe Slave Cal	13:18	426			HPF	cal							Yes
0086	UNe Slave Cal	13:26	426			HPF	cal							Yes
0087	UNe Slave Cal	13:34	426			HPF	cal							Yes
0088	UNe Slave Cal	13:42	426			HPF	cal							Yes
0089	UNe Slave Cal	13:49	426			HPF	cal							Yes
0090	UNe Slave Cal	13:57	426			HPF	cal							Yes
0087	LFC Cal	22:40	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:59	20			VIRUS	cal							Yes
virus0009901_01	bias	23:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:01	20			LRS2	cal							Yes
virus0009902_01	dark	23:03	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:03	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:06	15			LRS2	cal							Yes
0088	Dark	23:37	319.5			HPF	cal							Yes
0089	Quartz FCU	23:43	74.5			HPF	cal							Yes
0090	Quartz FCU	23:45	74.5			HPF	cal							Yes
0091	Quartz FCU	23:47	74.5			HPF	cal							Yes
0092	Quartz FCU	23:49	74.5			HPF	cal							Yes
0093	Quartz FCU	23:50	74.5			HPF	cal							Yes
0094	Quartz FCU	23:52	74.5			HPF	cal							Yes
0095	Quartz FCU	23:54	74.5			HPF	cal							Yes
0096	Alpha Bright Cal	23:56	85.2			HPF	cal							Yes
0097	Alpha Bright Cal	23:58	85.2			HPF	cal							Yes