HET Night Report Reader

Civil Date	Ephemerides
2026-02-19	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:54	01:39	02:07	12:11	12:39	13:25	-	03:12
Night Length	10:04		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Cassie Crowe

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:52	12.8	10.8	12:41	twilight	11:49
Total Time Open					11:49

Program	Night Priority	Science
02:07	Science
03:32	Idle due to weather (Clouds)
03:54	Science
06:09	Idle due to weather (Clouds)
06:33	Science
09:16	Idle due to weather (Clouds)
10:11	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:32	02:11	0.51	0.95	85	-4046	12.3	11.4	11.3	243	8	First of Night
12:31	12:38	0.57	1.00	165	-2878	9.8	10.3	10.3	217	13	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6644	02:11-02:17	00:06	Guider-1 and WFS-1 Probes Too Close to Observe Telluric Standard Q# 263	Aborted target and moved on to next target.

TO Comments	Mostly clear, some clouds. Much better seeing.

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
virus0000025_01	flat_ldls_long	00:01	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	00:03	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	00:04	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	00:06	15			VIRUS	cal							Yes
virus0000026_02	Cd-A	00:07	15			VIRUS	cal							Yes
0002	UNe Slave Cal	00:08	426			HPF	cal							Yes
virus0000026_03	Cd-A	00:08	15			VIRUS	cal							Yes
virus0000027_01	Hg	00:10	15			VIRUS	cal							Yes
virus0000027_02	Hg	00:11	15			VIRUS	cal							Yes
virus0000027_03	Hg	00:13	15			VIRUS	cal							Yes
lrs20000001_01	dark	00:14	360			LRS2	cal							Yes
virus0000001_01	dark	00:14	360			VIRUS	cal							Yes
lrs20000001_02	dark	00:21	360			LRS2	cal							Yes
virus0000001_02	dark	00:21	360			VIRUS	cal							Yes
lrs20000001_03	dark	00:28	360			LRS2	cal							Yes
virus0000001_03	dark	00:28	360			VIRUS	cal							Yes
lrs20000002_01	skyflat	00:58	7			LRS2	cal							Yes
lrs20000003_01	skyflat	01:00	10			LRS2	cal							Yes
lrs20000004_01	skyflat	01:01	13			LRS2	cal							Yes
lrs20000005_01	skyflat	01:02	16			LRS2	cal							Yes
lrs20000006_01	skyflat	01:03	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:04	30			LRS2	cal							Yes
virus0000002_01	skyflat	01:07	7			VIRUS	cal							Yes
virus0000003_01	skyflat	01:08	10			VIRUS	cal							Yes
virus0000004_01	skyflat	01:10	14			VIRUS	cal							Yes
virus0000005_01	skyflat	01:11	18			VIRUS	cal							Yes
virus0000006_01	skyflat	01:12	26			VIRUS	cal							Yes
lrs20000008_01	bias	01:24	0			LRS2	cal							Yes
virus0000007_01	bias	01:24	0			VIRUS	cal							Yes
lrs20000008_02	bias	01:25	0			LRS2	cal							Yes
virus0000007_02	bias	01:25	0			VIRUS	cal							Yes
lrs20000008_03	bias	01:26	0			LRS2	cal							Yes
virus0000007_03	bias	01:26	0			VIRUS	cal							Yes
lrs20000008_04	bias	01:26	0			LRS2	cal							Yes
virus0000007_04	bias	01:27	0			VIRUS	cal							Yes
lrs20000008_05	bias	01:27	0			LRS2	cal							Yes
virus0000007_05	bias	01:28	0			VIRUS	cal							Yes
lrs20000008_06	bias	01:28	0			LRS2	cal							Yes
virus0000007_06	bias	01:29	0			VIRUS	cal							Yes
lrs20000008_07	bias	01:29	0			LRS2	cal							Yes
virus0000007_07	bias	01:29	0			VIRUS	cal							Yes
lrs20000008_08	bias	01:30	0			LRS2	cal							Yes
virus0000007_08	bias	01:30	0			VIRUS	cal							Yes
lrs20000008_09	bias	01:31	0			LRS2	cal							Yes
virus0000007_09	bias	01:31	0			VIRUS	cal							Yes
lrs20000008_10	bias	01:32	0			LRS2	cal							Yes
virus0000007_10	bias	01:32	0			VIRUS	cal							Yes
lrs20000008_11	bias	01:33	0			LRS2	cal							Yes
virus0000007_11	bias	01:33	0			VIRUS	cal							Yes
0003	QID 2759	02:24	841.4	7.0	UT26-1-014	HPF	sci	1.81	1.05	19.97	0.51	379		Yes
virus0000008_01	parallel	02:24	891			VIRUS	sci							Yes
0004	LFC Cal	02:40	106.5			HPF	cal							Yes
0005	QID 333	02:46	308.9	7.9	UT26-1-007	HPF	sci	1.52	0.94	20.17	0.67	75		P4
virus0000009_01	parallel	02:46	1060			VIRUS	sci							Yes
0006	QID 333	02:52	308.9	0.9	UT26-1-007	HPF	sci	1.43	1.04	20.09	0.50	62		P4
0007	QID 333	02:57	308.9	0.9	UT26-1-007	HPF	sci	1.42	0.88	20.31	0.89	99		P4
0008	HR1574_tell_std	03:10	330.2	7.5		HPF	telluric	1.40	0.77	20.03	0.44			Yes
virus0000010_01	parallel	03:22	583			VIRUS	sci							Yes
0009	QID 2754	03:23	532.5	7.1	UT26-1-014	HPF	sci	1.42	0.91	20.04	0.93	427		Yes
0010	LFC Cal	03:33	106.5			HPF	cal							Yes
0011	QID 2786	03:38	969.1	5.8	UT26-1-014	HPF	sci	1.59	1.06	20.19	0.41	198	Clouds, low transparency.	No
virus0000011_01	parallel	03:38	1023			VIRUS	sci							Yes
0012	LFC Cal	03:56	106.5			HPF	cal							Yes
0013	QID 2787	04:00	969.1	5.8	UT26-1-014	HPF	sci	1.56	0.98	20.46	0.82	298		Yes
virus0000012_01	parallel	04:00	1023			VIRUS	sci							Yes
0014	LFC Cal	04:18	106.5			HPF	cal							Yes
0015	LFC Cal	04:21	106.5			HPF	cal							Yes
lrs20000009_01	parallel	04:21	400			LRS2	sci							Yes
virus0000013_01	QID 2557	04:21	400	5.3	UT26-1-013	VIRUS	sci	1.56	0.83	21.99	0.90			Yes
0016	LFC Cal	04:24	106.5			HPF	cal							Yes
0017	LFC Cal	04:26	106.5			HPF	cal							Yes
lrs20000009_02	parallel	04:29	400			LRS2	sci							Yes
virus0000013_02	QID 2557	04:29	400	1.3	UT26-1-013	VIRUS	sci	1.55	1.15	21.96	0.92			Yes
lrs20000009_03	parallel	04:37	400			LRS2	sci							Yes
virus0000013_03	QID 2557	04:37	400	1.3	UT26-1-013	VIRUS	sci	1.53	0.98	21.92	0.92			Yes
virus0000014_01	G191B2B_052_W	04:49	60	5.0		VIRUS	spec	1.54	1.04	21.67	0.87			Yes
virus0000014_02	G191B2B_052_W	04:51	60	1.0		VIRUS	spec	1.54	1.15	21.64	0.87			Yes
virus0000014_03	G191B2B_052_W	04:53	60	1.0		VIRUS	spec	1.41	1.14	21.61	0.83			Yes
lrs20000010_01	G191B2B_056_W	04:59	60	5.0		LRS2	spec	1.58	1.01	21.51	0.93			Yes
lrs20000011_01	G191B2B_066_W	05:03	120	3.0		LRS2	spec	1.63	0.98	20.66	1.04			Yes
lrs20000012_01	parallel	05:10	600			LRS2	sci							Yes
virus0000015_01	QID 2578	05:10	600	5.0	UT26-1-018	VIRUS	sci	1.81	1.01	21.60	0.70			Yes
0018	LFC Cal	05:11	106.5			HPF	cal							Yes
0019	LFC Cal	05:13	106.5			HPF	cal							Yes
0020	LFC Cal	05:15	106.5			HPF	cal							Yes
lrs20000012_02	parallel	05:21	600			LRS2	sci							Yes
virus0000015_02	QID 2578	05:21	600	1.0	UT26-1-018	VIRUS	sci	1.80	1.00	21.53	0.79			Yes
lrs20000012_03	parallel	05:33	600			LRS2	sci							Yes
virus0000015_03	QID 2578	05:33	600	2.0	UT26-1-018	VIRUS	sci	1.52	0.82	21.56	0.78			Yes
lrs20000013_01	parallel	05:48	360			LRS2	sci							Yes
virus0000016_01	QID 352	05:48	360	5.0	UT26-1-008	VIRUS	sci	1.84	1.05	21.87	0.70			Yes
0021	LFC Cal	05:49	106.5			HPF	cal							Yes
0022	LFC Cal	05:51	106.5			HPF	cal							Yes
lrs20000013_02	parallel	05:56	360			LRS2	sci							Yes
virus0000016_02	QID 352	05:56	360	2.0	UT26-1-008	VIRUS	sci	1.66	0.91	21.82	0.72			Yes
lrs20000013_03	parallel	06:03	360			LRS2	sci							Yes
virus0000016_03	QID 352	06:03	360	1.0	UT26-1-008	VIRUS	sci	1.54	0.94	21.77	0.76			Yes
0023	LFC Cal	06:13	106.5			HPF	cal							Yes
lrs20000014_01	parallel	06:13	360			LRS2	sci							Yes
virus0000017_01	QID 1986	06:13	360	4.0	UT26-1-008	VIRUS	sci	1.58	0.74	21.48	0.84		Clouds, low transparency.	No
0024	LFC Cal	06:15	106.5			HPF	cal							Yes
lrs20000014_02	parallel	06:20	360			LRS2	sci							Yes
virus0000017_02	QID 1986	06:20	360	1.0	UT26-1-008	VIRUS	sci	1.48	0.78	21.42	0.40			No
lrs20000014_03	parallel	06:27	360			LRS2	sci							Yes
virus0000017_03	QID 1986	06:27	360	1.0	UT26-1-008	VIRUS	sci	1.38	0.79	21.42	0.06			No
virus0000018_01	parallel	06:40	1023			VIRUS	sci							Yes
0025	QID 2762	06:41	969.1	7.8	UT26-1-014	HPF	sci	1.44	0.89	20.43	0.87	491		Yes
0026	LFC Cal	06:58	106.5			HPF	cal							Yes
virus0000019_01	parallel	07:01	1023			VIRUS	sci							Yes
0027	QID 2763	07:02	969.1	4.8	UT26-1-014	HPF	sci	1.85	1.81	20.33	0.84	414		Yes
0028	LFC Cal	07:20	106.5			HPF	cal							Yes
0029	QID 2766	07:25	969.1	6.8	UT26-1-014	HPF	sci	1.79	0.96	20.84	0.76	239		Yes
virus0000020_01	parallel	07:25	1023			VIRUS	sci							Yes
0030	LFC Cal	07:43	106.5			HPF	cal							Yes
0031	QID 1411	07:49	969.1	8.8	PSU26-1-002	HPF	sci	1.68		20.27	1.03	273		P4
virus0000021_01	parallel	07:49	2047			VIRUS	sci							Yes
0032	QID 1411	08:07	969.1	0.8	PSU26-1-002	HPF	sci	1.88		20.20	0.98	240		P4
0033	LFC Cal	08:24	106.5			HPF	cal							Yes
0034	QID 2566	08:30	308.9	6.9	UT26-1-009	HPF	sci	1.78		20.35	0.56	68		Yes
virus0000022_01	parallel	08:30	1417			VIRUS	sci							Yes
0035	QID 2566	08:36	308.9	0.9	UT26-1-009	HPF	sci	1.95	1.48	20.49	0.86	85		Yes
0036	QID 2566	08:42	308.9	0.9	UT26-1-009	HPF	sci	1.99	1.59	20.49	0.84	85		Yes
0037	QID 2566	08:47	308.9	0.9	UT26-1-009	HPF	sci	2.09	1.47	20.51	0.85	79		Yes
virus0000023_01	parallel	08:59	1023			VIRUS	sci							Yes
0038	QID 2786	09:00	969.1	6.8	UT26-1-014	HPF	sci	2.32	1.94	20.09	0.87	223		Yes
0039	LFC Cal	09:18	106.5			HPF	cal							Yes
virus0000024_01	parallel	09:24	2800			VIRUS	sci							Yes
0040	LFC Cal	09:25	106.5			HPF	cal							Yes
lrs20000015_01	QID 2522	09:25	2800	8.3	UT26-1-004	LRS2-R	sci	2.31	1.85	20.50	0.39		Clouds rolled in during middle of exposure, low transparency.	No
0041	LFC Cal	09:27	106.5			HPF	cal							Yes
0042	LFC Cal	09:29	106.5			HPF	cal							Yes
0043	QID 1831	10:18	340.8	7.3	PSU26-1-010	HPF	sci	2.18	2.07	20.23	0.75	350		Yes
virus0000025_01	parallel	10:18	374			VIRUS	sci							Yes
virus0000026_01	parallel	10:31	2047			VIRUS	sci							Yes
0044	QID 2551	10:32	969.1	7.8	PSU26-1-019	HPF	sci	2.20	1.77	20.07	1.00	191		Yes
0045	QID 2551	10:49	969.1	0.8	PSU26-1-019	HPF	sci	2.30	1.98	20.01	0.98	175		Yes
0046	LFC Cal	11:07	106.5			HPF	cal							Yes
0047	QID 2782	11:12	969.1	7.8	UT26-1-014	HPF	sci	2.08	1.72	20.37	0.89	298		Yes
virus0000027_01	parallel	11:12	1023			VIRUS	sci							Yes
0048	LFC Cal	11:30	106.5			HPF	cal							Yes
virus0000028_01	parallel	11:34	1023			VIRUS	sci							Yes
0049	QID 2783	11:35	969.1	5.8	UT26-1-014	HPF	sci	1.82	1.65	20.40	0.73	324		Yes
0050	LFC Cal	11:53	106.5			HPF	cal							Yes
0051	QID 1503	11:57	969.1	5.8	UT26-1-010	HPF	sci	1.99	1.32	20.20	0.97	126		Yes
virus0000029_01	parallel	11:57	2047			VIRUS	sci							Yes
0052	QID 1503	12:14	969.1	0.8	UT26-1-010	HPF	sci	1.90	1.25	20.16	0.99	139		Yes
0053	LFC Cal	12:32	106.5			HPF	cal							Yes
lrs20000016_01	bias	12:33	0			LRS2	cal							Yes
virus0000030_01	bias	12:34	0			VIRUS	cal							Yes
virus0000031_01	Cd-A	12:38	15		ENG26-1-002	VIRUS	cal							Yes
virus0000032_01	Hg	12:39	15		ENG26-1-002	VIRUS	cal							Yes
0054	Dark	12:47	319.5			HPF	cal							Yes
0055	Quartz FCU	12:58	74.5			HPF	cal							Yes
0056	Quartz FCU	13:00	74.5			HPF	cal							Yes
0057	Quartz FCU	13:02	74.5			HPF	cal							Yes
0058	Quartz FCU	13:04	74.5			HPF	cal							Yes
0059	Quartz FCU	13:05	74.5			HPF	cal							Yes
0060	Quartz FCU	13:07	74.5			HPF	cal							Yes
0061	Quartz FCU	13:09	74.5			HPF	cal							Yes
0062	Alpha Bright Cal	13:11	85.2			HPF	cal							Yes
0063	Alpha Bright Cal	13:13	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	13:15	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	13:17	85.2			HPF	cal							Yes
0066	LFC FCU	13:20	106.5			HPF	cal							Yes
0067	LFC FCU	13:22	106.5			HPF	cal							Yes
0068	LFC FCU	13:24	106.5			HPF	cal							Yes
0069	LFC FCU	13:27	106.5			HPF	cal							Yes
0070	LFC FCU	13:29	106.5			HPF	cal							Yes
0071	LFC FCU	13:31	106.5			HPF	cal							Yes
0072	LFC Cal	13:34	106.5			HPF	cal							Yes
0073	LFC Cal	13:37	106.5			HPF	cal							Yes
0074	Etalon Cal	13:44	159.8			HPF	cal							Yes
0075	Etalon Cal	13:48	159.8			HPF	cal							Yes
0076	Etalon Cal	13:51	159.8			HPF	cal							Yes
0077	Etalon Cal	13:54	159.8			HPF	cal							Yes
0078	UNe Slave Cal	13:58	426			HPF	cal							Yes
0079	UNe Slave Cal	14:05	426			HPF	cal							Yes
0080	UNe Slave Cal	14:13	426			HPF	cal							Yes
0081	UNe Slave Cal	14:21	426			HPF	cal							Yes
0082	UNe Slave Cal	14:29	426			HPF	cal							Yes
0083	UNe Slave Cal	14:36	426			HPF	cal							Yes
0076	LFC Cal	22:20	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:34	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:35	20			VIRUS	cal							Yes
virus0009901_01	bias	22:36	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:37	20			LRS2	cal							Yes
virus0009902_01	dark	22:39	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:39	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:41	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:42	15			LRS2	cal							Yes
0077	Dark	22:47	319.5			HPF	cal							Yes
0078	Quartz FCU	22:53	74.5			HPF	cal							Yes
0079	Quartz FCU	22:55	74.5			HPF	cal							Yes
0080	Quartz FCU	22:57	74.5			HPF	cal							Yes
0081	Quartz FCU	22:59	74.5			HPF	cal							Yes
0082	Quartz FCU	23:00	74.5			HPF	cal							Yes
0083	Quartz FCU	23:02	74.5			HPF	cal							Yes
0084	Quartz FCU	23:04	74.5			HPF	cal							Yes
0085	Alpha Bright Cal	23:06	85.2			HPF	cal							Yes
0086	Alpha Bright Cal	23:08	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	23:10	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	23:12	85.2			HPF	cal							Yes
0089	LFC FCU	23:15	106.5			HPF	cal							Yes
0090	LFC FCU	23:17	106.5			HPF	cal							Yes
0091	LFC Cal	23:20	106.5			HPF	cal							Yes
0092	LFC Cal	23:23	106.5			HPF	cal							Yes
0093	Etalon Cal	23:25	159.8			HPF	cal							Yes
0094	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000021_01	flat_Qth_R	23:30	15			LRS2	cal							Yes
lrs20000021_02	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000021_03	flat_Qth_R	23:33	15			LRS2	cal							Yes
lrs20000021_04	flat_Qth_R	23:34	15			LRS2	cal							Yes
lrs20000021_05	flat_Qth_R	23:35	15			LRS2	cal							Yes
lrs20000022_01	flat_ldls_long_B	23:36	20			LRS2	cal							Yes
0095	UNe Slave Cal	23:37	426			HPF	cal							Yes
lrs20000022_02	flat_ldls_long_B	23:38	20			LRS2	cal							Yes
lrs20000022_03	flat_ldls_long_B	23:39	20			LRS2	cal							Yes
lrs20000023_01	Cd-A_B	23:40	29			LRS2	cal							Yes
lrs20000023_02	Cd-A_B	23:42	29			LRS2	cal							Yes
lrs20000023_03	Cd-A_B	23:43	29			LRS2	cal							Yes
0096	UNe Slave Cal	23:45	426			HPF	cal							Yes
lrs20000024_01	FeAr_R	23:45	15			LRS2	cal							Yes
lrs20000024_02	FeAr_R	23:46	15			LRS2	cal							Yes
lrs20000024_03	FeAr_R	23:47	15			LRS2	cal							Yes
lrs20000025_01	Hg_R	23:48	20			LRS2	cal							Yes
lrs20000025_02	Hg_R	23:50	20			LRS2	cal							Yes
lrs20000025_03	Hg_R	23:51	20			LRS2	cal							Yes
0097	UNe Slave Cal	23:52	426			HPF	cal							Yes
lrs20000026_01	Hg_B	23:52	15			LRS2	cal							Yes
lrs20000026_02	Hg_B	23:54	15			LRS2	cal							Yes
lrs20000026_03	Hg_B	23:55	15			LRS2	cal							Yes