HET Night Report Reader

Civil Date	Ephemerides
2026-03-12	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:09	01:54	02:22	11:48	12:16	13:02	09:53	-
Night Length	9:26		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
-	Zach Vanderbosch

Other Personnel	Joel Larakers

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:02	13.6	13.1	12:28	twilight	11:26
Total Time Open					11:26

Program	Night Priority	Science
02:22	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:36	02:15	0.49	0.84	80	-4759	12.5	13.0	13.1	227	13	First of Night
12:20	12:25	0.56	0.99	110	-4006	12.4	12.7	12.9	290	31	Post-Observing

Problem Reports					no PRs

TO Comments	Clear all night. Rising wind in last few hours. Did some DMI tests with Joel at beginning of night after stacking.

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	00:01	426			HPF	cal							Yes
virus0000022_01	flat_ldls_long	00:02	15			VIRUS	cal							Yes
virus0000022_02	flat_ldls_long	00:04	15			VIRUS	cal							Yes
virus0000022_03	flat_ldls_long	00:05	15			VIRUS	cal							Yes
virus0000023_01	Cd-A	00:07	15			VIRUS	cal							Yes
virus0000023_02	Cd-A	00:08	15			VIRUS	cal							Yes
0002	UNe Slave Cal	00:09	426			HPF	cal							Yes
virus0000023_03	Cd-A	00:09	15			VIRUS	cal							Yes
virus0000024_01	Hg	00:11	15			VIRUS	cal							Yes
virus0000024_02	Hg	00:12	15			VIRUS	cal							Yes
virus0000024_03	Hg	00:14	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:15	0			LRS2	cal							Yes
virus0000001_01	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:16	0			LRS2	cal							Yes
virus0000001_02	bias	00:16	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:17	0			LRS2	cal							Yes
virus0000001_03	bias	00:17	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:17	0			LRS2	cal							Yes
virus0000001_04	bias	00:18	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:18	0			LRS2	cal							Yes
virus0000001_05	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:19	0			LRS2	cal							Yes
virus0000001_06	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:20	0			LRS2	cal							Yes
virus0000001_07	bias	00:20	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:21	0			LRS2	cal							Yes
virus0000001_08	bias	00:21	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:22	0			LRS2	cal							Yes
virus0000001_09	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:23	0			LRS2	cal							Yes
virus0000001_10	bias	00:23	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:24	0			LRS2	cal							Yes
virus0000001_11	bias	00:24	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:24	360			LRS2	cal							Yes
virus0000002_01	dark	00:25	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:31	360			LRS2	cal							Yes
virus0000002_02	dark	00:32	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:38	360			LRS2	cal							Yes
virus0000002_03	dark	00:38	360			VIRUS	cal							Yes
0003	twilight	01:06	298.2			HPF	cal					525		Yes
lrs20000003_01	skyflat	01:13	7			LRS2	cal							Yes
lrs20000004_01	skyflat	01:15	10			LRS2	cal							Yes
exp01_to.dir	skyflat	01:16	13			LRS2	cal							Yes
lrs20000006_01	skyflat	01:17	16			LRS2	cal							Yes
lrs20000007_01	skyflat	01:18	22			LRS2	cal							Yes
lrs20000008_01	skyflat	01:19	30			LRS2	cal							Yes
virus0000003_01	skyflat	01:22	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:23	10			VIRUS	cal							Yes
virus0000005_01	skyflat	01:24	14			VIRUS	cal							Yes
virus0000006_01	skyflat	01:26	18			VIRUS	cal							Yes
virus0000007_01	skyflat	01:27	26			VIRUS	cal							Yes
0004	LFC Cal	01:29	106.5			HPF	cal							Yes
0005	LFC Cal	01:32	106.5			HPF	cal							Yes
0006	LFC Cal	01:34	106.5			HPF	cal							Yes
virus0000008_01	parallel	02:32	583			VIRUS	sci							Yes
0007	parallel	02:33	532.5	9.1	UT26-1-014	HPF	sci	1.34	0.80	20.03	0.97	610		P4
0008	LFC Cal	02:43	106.5			HPF	cal							Yes
virus0000009_01	parallel	02:55	2047			VIRUS	sci							Yes
0009	parallel	02:56	969.1	13.8	UT26-1-010	HPF	sci	1.42	1.09	19.91	0.97	230		P4
0010	parallel	03:13	969.1	0.8	UT26-1-010	HPF	sci	1.54	1.31	19.89	0.96	220		P4
0011	LFC Cal	03:31	106.5			HPF	cal							Yes
virus0000010_01	parallel	03:35	583			VIRUS	sci							Yes
0012	parallel	03:36	532.5	7.1	UT26-1-014	HPF	sci	1.43	1.13	20.04	1.02	467		P4
0013	LFC Cal	03:46	106.5			HPF	cal							Yes
lrs20000009_01	parallel	03:51	600			LRS2	sci							Yes
virus0000011_01	parallel	03:51	600	6.0	UT26-1-018	VIRUS	sci	1.81	1.06	21.72	0.91			Yes
0014	LFC Cal	03:52	106.5			HPF	cal							Yes
0015	LFC Cal	03:54	106.5			HPF	cal							Yes
0016	LFC Cal	03:56	106.5			HPF	cal							Yes
lrs20000009_02	parallel	04:03	600			LRS2	sci							Yes
virus0000011_02	parallel	04:03	600	2.0	UT26-1-018	VIRUS	sci	1.79	1.19	21.68	0.93			Yes
lrs20000009_03	parallel	04:14	600			LRS2	sci							Yes
virus0000011_03	parallel	04:14	600	1.0	UT26-1-018	VIRUS	sci	1.94	1.25	21.64	0.94			Yes
0017	parallel	04:30	649.6	6.2	PSU26-1-023	HPF	sci	1.71	1.33	20.12	0.86	364		Yes
virus0000012_01	parallel	04:30	2083			VIRUS	sci							Yes
0018	parallel	04:42	649.6	0.2	PSU26-1-023	HPF	sci	1.76	1.25	20.12	0.87	324		Yes
0019	parallel	04:53	649.6	1.2	PSU26-1-023	HPF	sci	1.73	1.18	19.97	0.98	272		Yes
0020	LFC Cal	05:06	106.5			HPF	cal							Yes
virus0000013_01	HZ21_034_E	05:13	60	9.0		VIRUS	spec	1.94	1.25	21.70	0.92			Yes
virus0000013_02	HZ21_034_E	05:16	60	2.0		VIRUS	spec	1.86	1.29	21.66	0.93			Yes
virus0000013_03	HZ21_034_E	05:18	60	1.0		VIRUS	spec	1.82	1.21	21.65	0.94			Yes
0021	LFC Cal	05:25	106.5			HPF	cal							Yes
virus0000014_01	parallel	05:25	1500			VIRUS	sci							Yes
lrs20000010_01	parallel	05:25	1500	6.0	UT26-1-002	LRS2-B	sci	2.00	1.36	21.86	0.67			Yes
0022	LFC Cal	05:27	106.5			HPF	cal							Yes
0023	LFC Cal	05:30	106.5			HPF	cal							Yes
lrs20000011_01	parallel	06:01	360			LRS2	sci							Yes
virus0000015_01	parallel	06:01	1023			VIRUS	sci							Yes
none	parallel	06:02	0	28.0	UT26-1-014	HPF	sci						incidental double execution of hpf exp from not aborted hobs and command line	No
0025	parallel	06:19	969.1	1.8	UT26-1-014	HPF	sci	1.51	1.54	20.82	0.82	545		P4
0026	LFC Cal	06:36	106.5			HPF	cal							Yes
0027	LFC Cal	06:42	106.5			HPF	cal							Yes
lrs20000012_01	parallel	06:42	600			LRS2	sci							Yes
virus0000017_01	parallel	06:42	600	6.0	UT26-1-018	VIRUS	sci	1.77	1.34	21.59	0.81			Yes
0028	LFC Cal	06:44	106.5			HPF	cal							Yes
0029	LFC Cal	06:47	106.5			HPF	cal							Yes
lrs20000012_02	parallel	06:53	600			LRS2	sci							Yes
virus0000017_02	parallel	06:53	600	1.0	UT26-1-018	VIRUS	sci	1.72	1.36	21.57	0.84			Yes
lrs20000012_03	parallel	07:04	600			LRS2	sci							Yes
virus0000017_03	parallel	07:04	600	1.0	UT26-1-018	VIRUS	sci	1.93	1.51	21.55	0.82			Yes
0030	parallel	07:21	308.9	7.9	UT26-1-007	HPF	sci	1.90	1.77	20.56	0.85	182		P4
virus0000018_01	parallel	07:21	1060			VIRUS	sci							Yes
0031	parallel	07:27	308.9	-0.1	UT26-1-007	HPF	sci	1.86	1.43	20.55	0.86	189		P4
0032	parallel	07:33	308.9	0.9	UT26-1-007	HPF	sci	1.97	1.63	20.54	0.86	170		P4
0033	parallel	07:43	969.1	5.8	UT26-1-003	HPF	sci	1.87	1.57	20.39	0.88	20		Yes
virus0000019_01	parallel	07:43	2047			VIRUS	sci							Yes
0034	parallel	08:01	969.1	0.8	UT26-1-003	HPF	sci	1.83	1.46	20.50	0.85	19		Yes
virus0000020_01	parallel	08:25	1060			VIRUS	sci							Yes
0035	parallel	08:26	308.9	8.9	UT26-1-007	HPF	sci	1.80	1.62	20.47	0.85	62		P4
0036	parallel	08:32	308.9	0.9	UT26-1-007	HPF	sci	1.87	1.53	20.46	0.87	63		P4
0037	parallel	08:37	308.9	-0.1	UT26-1-007	HPF	sci	1.87	1.68	20.45	0.88	67		P4
lrs20000013_01	parallel	08:48	1000			LRS2	sci							Yes
virus0000021_01	parallel	08:48	1000	6.3	UT26-1-018	VIRUS	sci	2.13	1.51	21.64	0.88			Yes
0038	LFC Cal	08:49	106.5			HPF	cal							Yes
0039	LFC Cal	08:51	106.5			HPF	cal							Yes
0040	LFC Cal	08:53	106.5			HPF	cal							Yes
lrs20000013_02	parallel	09:06	1000			LRS2	sci							Yes
virus0000021_02	parallel	09:06	1000	1.3	UT26-1-018	VIRUS	sci	1.93	1.39	21.66	0.90			Yes
lrs20000013_03	parallel	09:24	1000			LRS2	sci							Yes
virus0000021_03	parallel	09:24	1000	1.3	UT26-1-018	VIRUS	sci	1.75	1.25	21.70	0.89			Yes
0041	parallel	09:47	969.1	5.8	UT26-1-014	HPF	sci	1.54	1.11	20.26	0.87	406		P4
virus0000022_01	parallel	09:47	1023			VIRUS	sci							Yes
0042	LFC Cal	10:05	106.5			HPF	cal							Yes
0043	parallel	10:11	42.6	8.3	UT26-1-014	HPF	sci	1.88	1.20	20.01	0.86	569		P4
0044	LFC Cal	10:13	106.5			HPF	cal							Yes
lrs20000014_01	BD+601753_056_E	10:20	30	7.5		LRS2	spec	1.59	1.11	21.24	0.97			Yes
lrs20000015_01	BD+601753_066_E	10:23	30	3.5		LRS2	spec	1.66	1.07	20.42	0.98			Yes
0045	parallel	10:28	969.1	3.8	PSU26-1-023	HPF	sci	1.60	1.14	20.08	0.93	151		Yes
virus0000023_01	parallel	10:28	2047			VIRUS	sci							Yes
0046	parallel	10:45	969.1	0.8	PSU26-1-023	HPF	sci	1.58	0.85	20.14	0.94	175		Yes
0047	LFC Cal	11:03	106.5			HPF	cal							Yes
0048	LFC Cal	11:07	106.5			HPF	cal							Yes
virus0000024_01	parallel	11:07	1500			VIRUS	sci							Yes
exp01_to.dir	parallel	11:07	1500	6.0	UT26-1-002	LRS2-R	sci	1.37	1.10	20.54	0.91			Yes
0049	LFC Cal	11:09	106.5			HPF	cal							Yes
0050	LFC Cal	11:11	106.5			HPF	cal							Yes
virus0000025_01	parallel	11:37	1023			VIRUS	sci							Yes
0051	parallel	11:38	969.1	5.8	PSU26-1-007	HPF	sci	1.65	1.44	20.04	0.93	26		Yes
0052	LFC Cal	11:56	106.5			HPF	cal							Yes
0053	parallel	12:02	969.1	7.8	UT26-1-014	HPF	sci	1.62	1.27	18.74	0.92	309		Yes
virus0000026_01	parallel	12:02	1023			VIRUS	sci							Yes
0054	LFC Cal	12:20	106.5			HPF	cal							Yes
lrs20000017_01	bias	12:23	0			LRS2	cal							Yes
virus0000027_01	bias	12:23	0			VIRUS	cal							Yes
exp01_to.dir	Cd-A	12:26	15		ENG26-1-002	VIRUS	cal							Yes
virus0000029_01	Hg	12:27	15		ENG26-1-002	VIRUS	cal							Yes
0055	Dark	12:37	319.5			HPF	cal							Yes
0056	Quartz FCU	12:48	74.5			HPF	cal							Yes
0057	Quartz FCU	12:50	74.5			HPF	cal							Yes
0058	Quartz FCU	12:52	74.5			HPF	cal							Yes
0059	Quartz FCU	12:54	74.5			HPF	cal							Yes
0060	Quartz FCU	12:55	74.5			HPF	cal							Yes
0061	Quartz FCU	12:57	74.5			HPF	cal							Yes
0062	Quartz FCU	12:59	74.5			HPF	cal							Yes
0063	Alpha Bright Cal	13:01	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	13:03	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	13:05	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	13:07	85.2			HPF	cal							Yes
0067	LFC FCU	13:10	106.5			HPF	cal							Yes
0068	LFC FCU	13:12	106.5			HPF	cal							Yes
0069	LFC FCU	13:14	106.5			HPF	cal							Yes
0070	LFC FCU	13:17	106.5			HPF	cal							Yes
0071	LFC FCU	13:19	106.5			HPF	cal							Yes
0072	LFC FCU	13:21	106.5			HPF	cal							Yes
0073	LFC Cal	13:24	106.5			HPF	cal							Yes
0074	LFC Cal	13:27	106.5			HPF	cal							Yes
0075	Etalon Cal	13:34	159.8			HPF	cal							Yes
0076	Etalon Cal	13:38	159.8			HPF	cal							Yes
0077	Etalon Cal	13:41	159.8			HPF	cal							Yes
0078	Etalon Cal	13:44	159.8			HPF	cal							Yes
0079	UNe Slave Cal	13:48	426			HPF	cal							Yes
0080	UNe Slave Cal	13:55	426			HPF	cal							Yes
0081	UNe Slave Cal	14:03	426			HPF	cal							Yes
0082	UNe Slave Cal	14:11	426			HPF	cal							Yes
0083	UNe Slave Cal	14:19	426			HPF	cal							Yes
0084	UNe Slave Cal	14:26	426			HPF	cal							Yes
0072	LFC Cal	21:59	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:12	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:12	20			VIRUS	cal							Yes
virus0009901_01	bias	22:14	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:14	20			LRS2	cal							Yes
virus0009902_01	dark	22:16	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:17	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:18	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:20	15			LRS2	cal							Yes
0073	Dark	22:47	319.5			HPF	cal							Yes
0074	Quartz FCU	22:54	74.5			HPF	cal							Yes
0075	Quartz FCU	22:56	74.5			HPF	cal							Yes
0076	Quartz FCU	22:58	74.5			HPF	cal							Yes
0077	Quartz FCU	22:59	74.5			HPF	cal							Yes
0078	Quartz FCU	23:01	74.5			HPF	cal							Yes
0079	Quartz FCU	23:03	74.5			HPF	cal							Yes
0080	Quartz FCU	23:05	74.5			HPF	cal							Yes
0081	Alpha Bright Cal	23:07	85.2			HPF	cal							Yes
0082	Alpha Bright Cal	23:09	85.2			HPF	cal							Yes
0083	Alpha Bright Cal	23:11	85.2			HPF	cal							Yes
0084	Alpha Bright Cal	23:13	85.2			HPF	cal							Yes
0085	LFC FCU	23:15	106.5			HPF	cal							Yes
0086	LFC FCU	23:18	106.5			HPF	cal							Yes
0087	LFC Cal	23:21	106.5			HPF	cal							Yes
0088	LFC Cal	23:23	106.5			HPF	cal							Yes
0089	Etalon Cal	23:26	159.8			HPF	cal							Yes
0090	UNe Slave Cal	23:30	426			HPF	cal							Yes
lrs20000009_01	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000009_02	flat_Qth_R	23:32	15			LRS2	cal							Yes
lrs20000009_03	flat_Qth_R	23:34	15			LRS2	cal							Yes
lrs20000009_04	flat_Qth_R	23:35	15			LRS2	cal							Yes
lrs20000009_05	flat_Qth_R	23:36	15			LRS2	cal							Yes
0091	UNe Slave Cal	23:37	426			HPF	cal							Yes
lrs20000010_01	flat_ldls_long_B	23:37	20			LRS2	cal							Yes
lrs20000010_02	flat_ldls_long_B	23:39	20			LRS2	cal							Yes
lrs20000010_03	flat_ldls_long_B	23:40	20			LRS2	cal							Yes
lrs20000011_01	Cd-A_B	23:41	29			LRS2	cal							Yes
lrs20000011_02	Cd-A_B	23:43	29			LRS2	cal							Yes
lrs20000011_03	Cd-A_B	23:44	29			LRS2	cal							Yes
0092	UNe Slave Cal	23:45	426			HPF	cal							Yes
lrs20000012_01	FeAr_R	23:46	15			LRS2	cal							Yes
lrs20000012_02	FeAr_R	23:47	15			LRS2	cal							Yes
lrs20000012_03	FeAr_R	23:48	15			LRS2	cal							Yes
lrs20000013_01	Hg_R	23:49	20			LRS2	cal							Yes
lrs20000013_02	Hg_R	23:51	20			LRS2	cal							Yes
lrs20000013_03	Hg_R	23:52	20			LRS2	cal							Yes
0093	UNe Slave Cal	23:53	426			HPF	cal							Yes
lrs20000014_01	Hg_B	23:53	15			LRS2	cal							Yes
lrs20000014_02	Hg_B	23:55	15			LRS2	cal							Yes
lrs20000014_03	Hg_B	23:56	15			LRS2	cal							Yes