HET Night Report Reader

Civil Date	Ephemerides
2026-03-24	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:17	02:02	02:30	11:32	12:01	12:47	-	07:46
Night Length	9:02		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn / Zach Vanderbosch	Justen Pautzke

Overlaps
TO Overlap	RA Overlap
Amy Westfall	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:04	23.6	21.8	12:27	twilight	11:23
Total Time Open					11:23

Program	Night Priority	Science
02:30	Science
10:03	Idle due to weather
10:27	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:51	03:04	0.68	1.35	110	-6997	22.6	21.6	21.7	291	9	First of Night
11:57	12:04	0.89	1.49	200	-6245	20.3	20.8	20.9	296	21	Post-Observing
12:04	12:24	0.62	1.18	100	-5605	20.2	20.6	20.7	299	21	End of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6658	02:04-02:40	00:36	Tracker faulted after moving to lower right preset. Errors could not be cleared and also not visible in dspace.	Called: CR, ACW Power cycle dspace, restart TCS and Tracker servers, reinitialize tracker.
6657	00:26-01:26	01:00	VIRUS parallel bias and dark calibration script hung
6605	05:48-05:59	00:11	Shuffle not identifying guide stars correctly.

TO Comments	Calm and clear with only a few issues.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	UNe Slave Cal	00:00	426			HPF	cal							Yes
lrs20000024_02	Hg_B	00:00	15			LRS2	cal							Yes
lrs20000024_03	Hg_B	00:02	15			LRS2	cal							Yes
0002	UNe Slave Cal	00:08	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:09	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:10	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:11	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:13	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:14	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:15	15			VIRUS	cal							Yes
0003	UNe Slave Cal	00:16	426			HPF	cal							Yes
virus0000003_01	Hg	00:17	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:18	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:20	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:22	0			LRS2	cal							Yes
lrs20000001_02	bias	00:22	0			LRS2	cal							Yes
virus0000004_01	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:23	0			LRS2	cal							Yes
virus0000004_02	bias	00:23	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:24	0			LRS2	cal							Yes
virus0000004_03	bias	00:24	0			VIRUS	cal							Yes
virus0000004_04	bias	00:24	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:25	0			LRS2	cal							Yes
virus0000004_05	bias	00:25	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:26	0			LRS2	cal							Yes
virus0000004_06	bias	00:26	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:27	0			LRS2	cal							Yes
lrs20000002_01	skyflat	01:22	7			LRS2	cal							Yes
lrs20000003_01	skyflat	01:23	10			LRS2	cal							Yes
lrs20000004_01	skyflat	01:24	13			LRS2	cal							Yes
lrs20000005_01	skyflat	01:25	16			LRS2	cal							Yes
lrs20000006_01	skyflat	01:27	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:28	30			LRS2	cal							Yes
virus0000005_01	dark	01:35	10			VIRUS	cal							Yes
virus0000006_01	bias	01:37	0			VIRUS	cal							Yes
lrs20000008_01	dark	02:42	360			LRS2	cal							Yes
virus0000007_01	dark	02:42	360			VIRUS	cal							Yes
lrs20000008_02	dark	02:49	360			LRS2	cal							Yes
virus0000007_02	dark	02:49	360			VIRUS	cal							Yes
lrs20000008_03	dark	02:55	360			LRS2	cal							Yes
virus0000007_03	dark	02:56	360			VIRUS	cal							Yes
virus0000008_01	parallel	03:10	1060			VIRUS	sci							Yes
0004	parallel	03:11	308.9	6.9	UT26-1-009	HPF	sci	1.37		19.51	0.58	93		P4
0005	parallel	03:16	308.9	0.9	UT26-1-009	HPF	sci	1.30		19.52	0.60	97		P4
0006	parallel	03:22	308.9	-0.1	UT26-1-009	HPF	sci	1.28		19.66	0.65	99	hit the end of the track with about 10 seconds left in exposure	P4
virus0000009_01	parallel	03:34	1800			VIRUS	sci							Yes
0007	LFC Cal	03:35	106.5			HPF	cal							Yes
lrs20000009_01	parallel	03:35	1800	8.0	M26-1-005	LRS2-B	sci	1.25	0.75	20.29	0.87			Yes
0008	LFC Cal	03:37	106.5			HPF	cal							Yes
0009	LFC Cal	03:39	106.5			HPF	cal							Yes
virus0000010_01	parallel	04:10	300			VIRUS	spec							Yes
lrs20000010_01	HZ21_056_E	04:10	300	5.0		LRS2	spec	1.54	0.64	20.92	0.74			Yes
virus0000011_01	parallel	04:18	360			VIRUS	spec							Yes
lrs20000011_01	HZ21_066_E	04:18	360	3.0		LRS2	spec	1.35	0.72	20.36	0.83			Yes
virus0000012_01	HZ21_052_E	04:29	60	5.0		VIRUS	spec	1.30	0.84	20.76	0.94			Yes
virus0000012_02	HZ21_052_E	04:31	60	1.0		VIRUS	spec	1.27	0.82	20.76	0.96			Yes
virus0000012_03	HZ21_052_E	04:33	60	1.0		VIRUS	spec	1.32	0.98	20.75	0.96			Yes
0010	parallel	04:40	308.9	5.9	UT26-1-009	HPF	sci	1.45	0.90	19.79	0.96	330		Yes
virus0000013_01	parallel	04:40	1417			VIRUS	sci							Yes
0011	parallel	04:46	308.9	0.9	UT26-1-009	HPF	sci	1.41	0.87	19.83	0.95	350		Yes
0012	parallel	04:52	308.9	0.9	UT26-1-009	HPF	sci	1.35	0.91	19.91	0.95	365		Yes
0013	parallel	04:57	308.9	0.9	UT26-1-009	HPF	sci	1.31	0.84	20.02	0.96	386		Yes
virus0000014_01	parallel	05:10	664			VIRUS	sci							Yes
0014	parallel	05:11	191.7	7.8	UT26-1-007	HPF	sci	1.22	0.81	19.79	0.97	544		P4
0015	parallel	05:14	191.7	0.8	UT26-1-007	HPF	sci	1.23	0.83	19.81	0.98	566		P4
0016	parallel	05:18	191.7	-0.2	UT26-1-007	HPF	sci	1.29	0.85	19.80	0.97	534		P4
virus0000015_01	parallel	05:31	1000			VIRUS	sci							Yes
lrs20000012_01	parallel	05:31	1000	10.3	UT26-1-002	LRS2-R	sci	1.34	1.18	20.27	1.11			Yes
0017	LFC Cal	05:32	106.5			HPF	cal							Yes
0018	LFC Cal	05:34	106.5			HPF	cal							Yes
0019	LFC Cal	05:36	106.5			HPF	cal							Yes
0020	LFC Cal	06:03	106.5			HPF	cal							Yes
virus0000016_01	parallel	06:03	1000			VIRUS	sci							Yes
lrs20000013_01	parallel	06:03	1000	15.3	UT26-1-002	LRS2-B	sci	1.52	1.00	20.83	1.09			Yes
0021	LFC Cal	06:06	106.5			HPF	cal							Yes
0022	LFC Cal	06:08	106.5			HPF	cal							Yes
virus0000017_01	parallel	06:26	1321			VIRUS	sci							Yes
0023	parallel	06:27	617.7	6.7	UT26-1-009	HPF	sci	1.38	1.19	20.35	0.89	170		P4
0024	parallel	06:38	617.7	0.7	UT26-1-009	HPF	sci	1.38	1.12	20.40	0.86	165		P4
virus0000018_01	parallel	06:54	1023			VIRUS	sci							Yes
0025	parallel	06:55	969.1	6.8	UT26-1-014	HPF	sci	1.40	1.08	20.02	0.99	360		P4
0026	LFC Cal	07:13	106.5			HPF	cal							Yes
0027	parallel	07:16	969.1	4.8	UT26-1-014	HPF	sci	1.40	1.06	19.87	0.87	316		P4
virus0000019_01	parallel	07:16	1023			VIRUS	sci							Yes
0028	LFC Cal	07:34	106.5			HPF	cal							Yes
0029	parallel	07:39	340.8	7.3	PSU26-1-010	HPF	sci	1.78	1.34	20.53	0.62	313		P4
virus0000020_01	parallel	07:39	374			VIRUS	sci							Yes
0030	LFC Cal	07:53	106.5			HPF	cal							Yes
virus0000021_01	parallel	07:53	3600			VIRUS	sci							Yes
lrs20000014_01	parallel	07:53	3600	8.0	PSU26-1-013	LRS2-B	sci	1.36	1.19	21.69	0.85			Yes
0031	LFC Cal	07:55	106.5			HPF	cal							Yes
0032	LFC Cal	07:58	106.5			HPF	cal							Yes
0033	LFC Cal	08:57	106.5			HPF	cal							Yes
lrs20000015_01	parallel	08:57	360			LRS2	sci							Yes
virus0000022_01	parallel	08:57	360	4.0	UT26-1-008	VIRUS	sci	1.63	1.05	21.70	0.91			Yes
0034	LFC Cal	09:00	106.5			HPF	cal							Yes
lrs20000015_02	parallel	09:04	360			LRS2	sci							Yes
virus0000022_02	parallel	09:04	360	1.0	UT26-1-008	VIRUS	sci	1.43	1.10	21.70	0.90			Yes
lrs20000015_03	parallel	09:12	360			LRS2	sci							Yes
virus0000022_03	parallel	09:12	360	2.0	UT26-1-008	VIRUS	sci	1.39	1.08	21.72	0.87			Yes
lrs20000016_01	parallel	09:20	360			LRS2	sci							Yes
virus0000023_01	parallel	09:20	360	2.0	UT26-1-008	VIRUS	sci	1.36	1.18	21.66	0.67			Yes
0035	LFC Cal	09:21	106.5			HPF	cal							Yes
0036	LFC Cal	09:23	106.5			HPF	cal							Yes
lrs20000016_02	parallel	09:27	360			LRS2	sci							Yes
virus0000023_02	parallel	09:28	360	2.0	UT26-1-008	VIRUS	sci	1.28	1.06	21.56	0.53			Yes
lrs20000016_03	parallel	09:35	360			LRS2	sci							Yes
virus0000023_03	parallel	09:35	360	1.0	UT26-1-008	VIRUS	sci	1.32	1.00	21.65	0.74			Yes
0037	parallel	09:47	969.1	5.8	PSU26-1-024	HPF	sci	1.48	0.85	20.18	0.77	142		Yes
virus0000024_01	parallel	09:47	1023			VIRUS	sci							Yes
0038	LFC Cal	10:05	106.5			HPF	cal							Yes
virus0000025_01	parallel	10:11	1959			VIRUS	sci							Yes
0039	parallel	10:12	915.9	8.7	G26-1-002	HPF	sci	1.09	0.71	20.18	0.37	33		No
0040	parallel	10:28	915.9	0.7	G26-1-002	HPF	sci	1.16	0.79	20.18	0.50	30		No
0041	LFC Cal	10:45	106.5			HPF	cal							Yes
virus0000026_01	parallel	10:51	1023			VIRUS	sci							Yes
0042	parallel	10:52	969.1	8.8	PSU26-1-007	HPF	sci	1.62	0.89	20.20	0.92	25		P4
0043	LFC Cal	11:09	106.5			HPF	cal							Yes
0044	parallel	11:15	969.1	6.8	UT26-1-014	HPF	sci	1.65	0.75	19.91	0.93	292		Yes
virus0000027_01	parallel	11:15	1023			VIRUS	sci							Yes
0045	LFC Cal	11:33	106.5			HPF	cal							Yes
virus0000028_01	parallel	11:38	1023			VIRUS	sci							Yes
0046	parallel	11:39	969.1	7.8	UT26-1-014	HPF	sci	1.43	1.04	19.92	0.92	370		Yes
0047	LFC Cal	11:57	106.5			HPF	cal							Yes
lrs20000017_01	bias	11:58	0			LRS2	cal							Yes
virus0000029_01	bias	11:59	0			VIRUS	cal							Yes
virus0000030_01	Cd-A	12:03	15		ENG-002	VIRUS	cal							Yes
virus0000031_01	Hg	12:05	15		ENG-002	VIRUS	cal							Yes
lrs20000018_01	dark	12:08	360			LRS2	cal							Yes
virus0000032_01	dark	12:08	360			VIRUS	cal							Yes
lrs20000019_01	bias	12:16	0			LRS2	cal							Yes
virus0000033_01	bias	12:16	0			VIRUS	cal							Yes
lrs20000019_02	bias	12:16	0			LRS2	cal							Yes
virus0000033_02	bias	12:16	0			VIRUS	cal							Yes
lrs20000019_03	bias	12:17	0			LRS2	cal							Yes
virus0000033_03	bias	12:17	0			VIRUS	cal							Yes
lrs20000019_04	bias	12:18	0			LRS2	cal							Yes
virus0000033_04	bias	12:18	0			VIRUS	cal							Yes
lrs20000019_05	bias	12:19	0			LRS2	cal							Yes
virus0000033_05	bias	12:19	0			VIRUS	cal							Yes
lrs20000019_06	bias	12:20	0			LRS2	cal							Yes
lrs20000019_07	bias	12:20	0			LRS2	cal							Yes
virus0000033_06	bias	12:20	0			VIRUS	cal							Yes
virus0000033_07	bias	12:21	0			VIRUS	cal							Yes
lrs20000019_08	bias	12:21	0			LRS2	cal							Yes
virus0000033_08	bias	12:22	0			VIRUS	cal							Yes
lrs20000019_09	bias	12:22	0			LRS2	cal							Yes
virus0000033_09	bias	12:23	0			VIRUS	cal							Yes
lrs20000019_10	bias	12:23	0			LRS2	cal							Yes
virus0000033_10	bias	12:23	0			VIRUS	cal							Yes
lrs20000019_11	bias	12:24	0			LRS2	cal							Yes
virus0000033_11	bias	12:24	0			VIRUS	cal							Yes
0048	Dark	12:28	319.5			HPF	cal							Yes
0049	Quartz FCU	12:39	74.5			HPF	cal							Yes
0050	Quartz FCU	12:41	74.5			HPF	cal							Yes
0051	Quartz FCU	12:43	74.5			HPF	cal							Yes
0052	Quartz FCU	12:45	74.5			HPF	cal							Yes
0053	Quartz FCU	12:46	74.5			HPF	cal							Yes
0054	Quartz FCU	12:48	74.5			HPF	cal							Yes
0055	Quartz FCU	12:50	74.5			HPF	cal							Yes
0056	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	12:58	85.2			HPF	cal							Yes
0060	LFC FCU	13:01	106.5			HPF	cal							Yes
0061	LFC FCU	13:03	106.5			HPF	cal							Yes
0062	LFC FCU	13:05	106.5			HPF	cal							Yes
0063	LFC FCU	13:08	106.5			HPF	cal							Yes
0064	LFC FCU	13:10	106.5			HPF	cal							Yes
0065	LFC FCU	13:12	106.5			HPF	cal							Yes
0066	LFC Cal	13:15	106.5			HPF	cal							Yes
0067	LFC Cal	13:18	106.5			HPF	cal							Yes
0068	Etalon Cal	13:25	159.8			HPF	cal							Yes
0069	Etalon Cal	13:29	159.8			HPF	cal							Yes
0070	Etalon Cal	13:32	159.8			HPF	cal							Yes
0071	Etalon Cal	13:35	159.8			HPF	cal							Yes
0072	UNe Slave Cal	13:39	426			HPF	cal							Yes
0073	UNe Slave Cal	13:46	426			HPF	cal							Yes
0074	UNe Slave Cal	13:54	426			HPF	cal							Yes
0075	UNe Slave Cal	14:02	426			HPF	cal							Yes
0076	UNe Slave Cal	14:10	426			HPF	cal							Yes
0077	UNe Slave Cal	14:17	426			HPF	cal							Yes
lrs20009900_01	bias	22:01	0			LRS2	cal							Yes
0086	LFC Cal	22:01	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	22:01	20			VIRUS	cal							Yes
virus0009901_01	bias	22:03	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:04	20			LRS2	cal							Yes
virus0009902_01	dark	22:05	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:06	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:07	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:09	15			LRS2	cal							Yes
0087	Dark	22:55	319.5			HPF	cal							Yes
0088	Quartz FCU	23:01	74.5			HPF	cal							Yes
0089	Quartz FCU	23:03	74.5			HPF	cal							Yes
0090	Quartz FCU	23:05	74.5			HPF	cal							Yes
0091	Quartz FCU	23:06	74.5			HPF	cal							Yes
0092	Quartz FCU	23:08	74.5			HPF	cal							Yes
0093	Quartz FCU	23:10	74.5			HPF	cal							Yes
0094	Quartz FCU	23:12	74.5			HPF	cal							Yes
0095	Alpha Bright Cal	23:14	85.2			HPF	cal							Yes
0096	Alpha Bright Cal	23:16	85.2			HPF	cal							Yes
0097	Alpha Bright Cal	23:18	85.2			HPF	cal							Yes
0098	Alpha Bright Cal	23:20	85.2			HPF	cal							Yes
0099	LFC FCU	23:23	106.5			HPF	cal							Yes
0100	LFC FCU	23:25	106.5			HPF	cal							Yes
0101	LFC Cal	23:28	106.5			HPF	cal							Yes
0102	LFC Cal	23:30	106.5			HPF	cal							Yes
0103	Etalon Cal	23:33	159.8			HPF	cal							Yes
0104	UNe Slave Cal	23:36	426			HPF	cal							Yes
lrs20000019_01	flat_Qth_R	23:37	15			LRS2	cal							Yes
lrs20000019_02	flat_Qth_R	23:38	15			LRS2	cal							Yes
lrs20000019_03	flat_Qth_R	23:40	15			LRS2	cal							Yes
lrs20000019_04	flat_Qth_R	23:41	15			LRS2	cal							Yes
lrs20000019_05	flat_Qth_R	23:42	15			LRS2	cal							Yes
lrs20000020_01	flat_ldls_long_B	23:43	20			LRS2	cal							Yes
0105	UNe Slave Cal	23:44	426			HPF	cal							Yes
lrs20000020_02	flat_ldls_long_B	23:45	20			LRS2	cal							Yes
lrs20000020_03	flat_ldls_long_B	23:46	20			LRS2	cal							Yes
lrs20000021_01	Cd-A_B	23:47	29			LRS2	cal							Yes
lrs20000021_02	Cd-A_B	23:49	29			LRS2	cal							Yes
lrs20000021_03	Cd-A_B	23:50	29			LRS2	cal							Yes
0106	UNe Slave Cal	23:52	426			HPF	cal							Yes
lrs20000022_01	FeAr_R	23:52	15			LRS2	cal							Yes
lrs20000022_02	FeAr_R	23:53	15			LRS2	cal							Yes
lrs20000022_03	FeAr_R	23:54	15			LRS2	cal							Yes
lrs20000023_01	Hg_R	23:55	20			LRS2	cal							Yes
lrs20000023_02	Hg_R	23:57	20			LRS2	cal							Yes
lrs20000023_03	Hg_R	23:58	20			LRS2	cal							Yes
lrs20000024_01	Hg_B	23:59	15			LRS2	cal							Yes