HET Night Report Reader

Civil Date	Ephemerides
2026-02-28	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:01	01:46	02:14	12:02	12:30	13:15	-	12:15
Night Length	9:48		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:01	20.2	18.0	12:31	twilight	11:30
Total Time Open					11:30

Program	Night Priority	Science
02:14	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:27	01:55	0.72	1.25	110	-6792	19.7	18.2	18.0	298	10	First of Night
12:24	12:30	1.38	2.38	220	-5775	17.0	16.3	16.4	306	13	Post-Observing

Problem Reports					no PRs

TO Comments	Clear and calm night with relatively stable temperature.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	LFC FCU	00:01	106.5			HPF	cal							Yes
0002	LFC FCU	00:03	106.5			HPF	cal							Yes
0003	LFC Cal	00:06	106.5			HPF	cal							Yes
0004	LFC Cal	00:08	106.5			HPF	cal							Yes
0005	Etalon Cal	00:11	159.8			HPF	cal							Yes
0006	UNe Slave Cal	00:14	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:15	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:17	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:18	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:19	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:20	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:21	20			LRS2	cal							Yes
0007	UNe Slave Cal	00:22	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:23	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:24	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:25	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:27	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:28	29			LRS2	cal							Yes
0008	UNe Slave Cal	00:30	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:30	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:31	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:32	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:33	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:35	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:36	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:37	15			LRS2	cal							Yes
0009	UNe Slave Cal	00:38	426			HPF	cal							Yes
lrs20000006_02	Hg_B	00:38	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:40	15			LRS2	cal							Yes
0010	UNe Slave Cal	00:45	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:46	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:48	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:49	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:50	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:52	15			VIRUS	cal							Yes
0011	UNe Slave Cal	00:53	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:53	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:54	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:56	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:57	15			VIRUS	cal							Yes
lrs20000007_01	skyflat	01:05	7			LRS2	cal							Yes
lrs20000008_01	skyflat	01:06	10			LRS2	cal							Yes
lrs20000009_01	skyflat	01:08	13			LRS2	cal							Yes
lrs20000010_01	skyflat	01:09	16			LRS2	cal							Yes
lrs20000011_01	skyflat	01:10	22			LRS2	cal							Yes
lrs20000012_01	skyflat	01:11	30			LRS2	cal							Yes
virus0000004_01	skyflat	01:14	7			VIRUS	cal							Yes
virus0000005_01	skyflat	01:15	10			VIRUS	cal							Yes
virus0000006_01	skyflat	01:16	14			VIRUS	cal							Yes
virus0000007_01	skyflat	01:18	18			VIRUS	cal							Yes
virus0000008_01	skyflat	01:19	26			VIRUS	cal							Yes
lrs20000013_01	dark	01:21	360			LRS2	cal							Yes
virus0000009_01	dark	01:21	360			VIRUS	cal							Yes
lrs20000013_02	dark	01:28	360			LRS2	cal							Yes
virus0000009_02	dark	01:28	360			VIRUS	cal							Yes
lrs20000013_03	dark	01:35	360			LRS2	cal							Yes
virus0000009_03	dark	01:35	360			VIRUS	cal							Yes
lrs20000014_01	bias	01:42	0			LRS2	cal							Yes
virus0000010_01	bias	01:42	0			VIRUS	cal							Yes
lrs20000014_02	bias	01:43	0			LRS2	cal							Yes
virus0000010_02	bias	01:43	0			VIRUS	cal							Yes
lrs20000014_03	bias	01:44	0			LRS2	cal							Yes
virus0000010_03	bias	01:44	0			VIRUS	cal							Yes
lrs20000014_04	bias	01:45	0			LRS2	cal							Yes
virus0000010_04	bias	01:45	0			VIRUS	cal							Yes
lrs20000014_05	bias	01:45	0			LRS2	cal							Yes
virus0000010_05	bias	01:46	0			VIRUS	cal							Yes
lrs20000014_06	bias	01:46	0			LRS2	cal							Yes
virus0000010_06	bias	01:47	0			VIRUS	cal							Yes
lrs20000014_07	bias	01:47	0			LRS2	cal							Yes
virus0000010_07	bias	01:47	0			VIRUS	cal							Yes
lrs20000014_08	bias	01:48	0			LRS2	cal							Yes
virus0000010_08	bias	01:48	0			VIRUS	cal							Yes
lrs20000014_09	bias	01:49	0			LRS2	cal							Yes
virus0000010_09	bias	01:49	0			VIRUS	cal							Yes
lrs20000014_10	bias	01:50	0			LRS2	cal							Yes
virus0000010_10	bias	01:50	0			VIRUS	cal							Yes
lrs20000014_11	bias	01:51	0			LRS2	cal							Yes
virus0000010_11	bias	01:51	0			VIRUS	cal							Yes
0012	LFC Cal	02:01	106.5			HPF	cal							Yes
virus0000011_01	parallel	02:01	400			VIRUS	sci							Yes
lrs20000015_01	QID 1578	02:01	400	5.3	PSU26-1-012	LRS2-B	sci	1.34	0.65	18.80	0.91			Yes
0013	LFC Cal	02:03	106.5			HPF	cal							Yes
0014	LFC Cal	02:06	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:15	2047			VIRUS	sci							Yes
0015	QID 2616	02:16	969.1	8.8	UT26-1-003	HPF	sci	1.64	0.53	19.21	0.95	33		P4
0016	QID 2616	02:33	969.1	0.8	UT26-1-003	HPF	sci	1.55	0.56	19.13	0.94	27		P4
0017	QID 2686	02:58	969.1	8.8	UT26-1-003	HPF	sci	1.43	0.53	19.23	0.82	17		P4
virus0000013_01	parallel	02:58	2047			VIRUS	sci							Yes
0018	QID 2686	03:15	969.1	0.8	UT26-1-003	HPF	sci	1.25	0.68	18.38	0.65	17		P4
0019	QID 2776	03:39	969.1	7.8	UT26-1-014	HPF	sci	1.29	0.62	18.39	0.86	473		P4
virus0000014_01	parallel	03:39	1023			VIRUS	sci							Yes
0020	LFC Cal	03:57	106.5			HPF	cal							Yes
virus0000015_01	parallel	04:01	450			VIRUS	sci							Yes
0021	LFC Cal	04:02	106.5			HPF	cal							Yes
lrs20000016_01	QID 2826	04:02	450	6.5	PSU26-1-012	LRS2-B	sci	1.30	0.56	18.81	1.01			Yes
0022	LFC Cal	04:04	106.5			HPF	cal							Yes
0023	LFC Cal	04:06	106.5			HPF	cal							Yes
virus0000016_01	parallel	04:16	2047			VIRUS	sci							Yes
0024	QID 2551	04:17	969.1	7.8	PSU26-1-019	HPF	sci	1.26	0.64	18.88	0.61	202		Yes
0025	QID 2551	04:34	969.1	0.8	PSU26-1-019	HPF	sci	1.32	0.51	18.91	0.66	220		Yes
0026	LFC Cal	04:52	106.5			HPF	cal							Yes
virus0000017_01	parallel	04:56	2047			VIRUS	sci							Yes
0027	QID 2631	04:57	969.1	6.8	UT26-1-003	HPF	sci	1.53	0.67	18.84	0.82	36		P4
0028	QID 2631	05:14	969.1	0.8	UT26-1-003	HPF	sci	1.75	0.52	18.80	0.83	26		P4
0029	LFC Cal	05:37	106.5			HPF	cal							Yes
lrs20000017_01	QID 2875	05:37	180	7.0	UT26-1-016	LRS2-B	sci	1.65	0.58	18.22	0.83			P4
0030	LFC Cal	05:45	106.5			HPF	cal							Yes
virus0000018_01	parallel	05:45	360			VIRUS	sci							Yes
lrs20000018_01	QID 2876	05:45	360	5.0	UT26-1-016	LRS2-R	sci	1.47	0.52	17.98	1.14			P4
0031	LFC Cal	05:48	106.5			HPF	cal							Yes
virus0000019_01	parallel	05:56	2047			VIRUS	sci							Yes
0032	QID 403	05:57	969.1	5.8	UT26-1-003	HPF	sci	1.45	0.66	19.03	0.98	37		Yes
0033	QID 403	06:14	969.1	0.8	UT26-1-003	HPF	sci	1.71	1.03	19.10	0.99	35		Yes
0034	QID 2670	06:37	969.1	6.8	UT26-1-003	HPF	sci	1.57	0.72	19.18	0.96	19		P4
virus0000020_01	parallel	06:37	2047			VIRUS	sci							Yes
0035	QID 2670	06:54	969.1	0.8	UT26-1-003	HPF	sci	1.48	0.81	19.29	0.94	25		P4
0036	LFC Cal	07:16	106.5			HPF	cal							Yes
lrs20000019_01	QID 2889	07:16	180	6.0	UT26-1-016	LRS2-B	sci	1.43	0.73	18.49	0.92			P4
0037	LFC Cal	07:24	106.5			HPF	cal							Yes
virus0000021_01	parallel	07:24	360			VIRUS	sci							Yes
lrs20000020_01	QID 2890	07:24	360	5.0	UT26-1-016	LRS2-R	sci	1.47		18.61	1.00			P4
0038	LFC Cal	07:26	106.5			HPF	cal							Yes
0039	QID 2588	07:37	969.1	6.8	UT26-1-003	HPF	sci	1.43		19.17	1.00	31		P4
virus0000022_01	parallel	07:37	2047			VIRUS	sci							Yes
0040	QID 2588	07:54	969.1	1.8	UT26-1-003	HPF	sci	1.37		19.21	1.00	31		P4
0041	QID 2584	08:18	969.1	6.8	UT26-1-003	HPF	sci	1.42		19.44	0.77	22		P4
virus0000023_01	parallel	08:18	2047			VIRUS	sci							Yes
0042	QID 2584	08:35	969.1	0.8	UT26-1-003	HPF	sci	1.50	0.62	19.39	0.92	26		P4
0043	QID 2540	08:57	969.1	5.8	UT26-1-003	HPF	sci	1.54	0.82	19.51	0.97	50		Yes
virus0000024_01	parallel	08:57	2047			VIRUS	sci							Yes
0044	QID 2540	09:14	969.1	1.8	UT26-1-003	HPF	sci	1.57	0.85	19.52	0.98	49		Yes
virus0000025_01	parallel	09:40	693			VIRUS	sci							Yes
0045	QID 1623	09:41	649.6	10.2	UT26-1-005	HPF	sci	1.35	1.07	19.43	0.73	99		Yes
0046	QID 1624	09:59	521.9	7.3	UT26-1-005	HPF	sci	1.47	0.84	19.57	0.69	118		Yes
virus0000026_01	parallel	09:59	572			VIRUS	sci							Yes
virus0000027_01	parallel	10:14	825			VIRUS	sci							Yes
0047	QID 1615	10:15	766.8	6.2	UT26-1-005	HPF	sci	1.53	0.86	19.51	0.71	132		Yes
virus0000028_01	parallel	10:32	649			VIRUS	sci							Yes
0048	QID 1616	10:33	596.4	5.1	UT26-1-005	HPF	sci	1.57	0.96	19.52	0.86	113		Yes
0049	HR6203_tell_std	10:50	330.2	7.5		HPF	telluric	1.66	0.85	19.50	1.00			Yes
0050	QID 2749	11:03	42.6	8.3	UT26-1-014	HPF	sci	1.94	0.89	19.60	0.98	574		P4
0051	LFC Cal	11:05	106.5			HPF	cal							Yes
0052	QID 2664	11:10	969.1	5.8	UT26-1-003	HPF	sci	1.69	0.77	19.38	1.06	38		P4
virus0000029_01	parallel	11:10	2047			VIRUS	sci							Yes
0053	QID 2664	11:27	969.1	0.8	UT26-1-003	HPF	sci	1.59	0.81	19.47	1.04	41		P4
0054	QID 1508	11:49	969.1	6.8	UT26-1-010	HPF	sci	1.69	0.72	19.53	0.88	83		Yes
virus0000030_01	parallel	11:49	2047			VIRUS	sci							Yes
0055	QID 1508	12:07	969.1	0.8	UT26-1-010	HPF	sci	1.75	0.68	19.57	0.90	87		Yes
0056	LFC Cal	12:24	106.5			HPF	cal							Yes
lrs20000021_01	bias	12:25	0			LRS2	cal							Yes
virus0000031_01	bias	12:25	0			VIRUS	cal							Yes
virus0000032_01	Cd-A	12:30	15		ENG26-1-002	VIRUS	cal							Yes
virus0000033_01	Hg	12:31	15		ENG26-1-002	VIRUS	cal							Yes
0057	Dark	12:39	319.5			HPF	cal							Yes
0058	Quartz FCU	12:50	74.5			HPF	cal							Yes
0059	Quartz FCU	12:52	74.5			HPF	cal							Yes
0060	Quartz FCU	12:54	74.5			HPF	cal							Yes
0061	Quartz FCU	12:56	74.5			HPF	cal							Yes
0062	Quartz FCU	12:58	74.5			HPF	cal							Yes
0063	Quartz FCU	12:59	74.5			HPF	cal							Yes
0064	Quartz FCU	13:01	74.5			HPF	cal							Yes
0065	Alpha Bright Cal	13:03	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	13:05	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	13:07	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	13:09	85.2			HPF	cal							Yes
0069	LFC FCU	13:12	106.5			HPF	cal							Yes
0070	LFC FCU	13:14	106.5			HPF	cal							Yes
0071	LFC FCU	13:17	106.5			HPF	cal							Yes
0072	LFC FCU	13:19	106.5			HPF	cal							Yes
0073	LFC FCU	13:21	106.5			HPF	cal							Yes
0074	LFC FCU	13:23	106.5			HPF	cal							Yes
0075	LFC Cal	13:26	106.5			HPF	cal							Yes
0076	LFC Cal	13:29	106.5			HPF	cal							Yes
0077	Etalon Cal	13:36	159.8			HPF	cal							Yes
0078	Etalon Cal	13:40	159.8			HPF	cal							Yes
0079	Etalon Cal	13:43	159.8			HPF	cal							Yes
0080	Etalon Cal	13:46	159.8			HPF	cal							Yes
0081	UNe Slave Cal	13:50	426			HPF	cal							Yes
0082	UNe Slave Cal	13:57	426			HPF	cal							Yes
0083	UNe Slave Cal	14:05	426			HPF	cal							Yes
0084	UNe Slave Cal	14:13	426			HPF	cal							Yes
0085	UNe Slave Cal	14:21	426			HPF	cal							Yes
0086	UNe Slave Cal	14:28	426			HPF	cal							Yes
0091	LFC Cal	23:04	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:22	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:23	20			VIRUS	cal							Yes
virus0009901_01	bias	23:24	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:25	20			LRS2	cal							Yes
virus0009902_01	dark	23:26	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:27	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:29	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:30	15			LRS2	cal							Yes
0092	Dark	23:32	319.5			HPF	cal							Yes
0093	Quartz FCU	23:39	74.5			HPF	cal							Yes
0094	Quartz FCU	23:41	74.5			HPF	cal							Yes
0095	Quartz FCU	23:43	74.5			HPF	cal							Yes
0096	Quartz FCU	23:44	74.5			HPF	cal							Yes
0097	Quartz FCU	23:46	74.5			HPF	cal							Yes
0098	Quartz FCU	23:48	74.5			HPF	cal							Yes
0099	Quartz FCU	23:50	74.5			HPF	cal							Yes
0100	Alpha Bright Cal	23:52	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	23:54	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	23:56	85.2			HPF	cal							Yes
0103	Alpha Bright Cal	23:58	85.2			HPF	cal							Yes