HET Night Report Reader

Civil Date	Ephemerides
2026-02-12	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:49	01:34	02:02	12:17	12:45	13:31	11:15	-
Night Length	10:15		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	Taylor Keys

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:47			01:12	radar	00:25
05:26	13.6	14.0	12:18	twilight	06:52
Total Time Open					7:17

Program	Night Priority	Science
02:02	Idle due to weather (Clouds, radar)
06:26	Science
06:36	Idle due to weather (Clouds)
08:33	Science
09:26	Idle due to weather (Clouds)
09:53	Science
10:12	Idle due to weather (Clouds)
10:25	Science
10:35	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
05:33	06:25	0.66	1.11	80	-3825	13.6	13.8	13.9	183	11	First of Night
12:10	12:16	0.63	1.07	70	-3825	13.9	13.9	13.9	196	12	Post-Observing

Problem Reports					no PRs

TO Comments	Very cloudy night with 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	UNe Slave Cal	00:00	426			HPF	cal							Yes
virus0000027_01	flat_ldls_long	00:01	15			VIRUS	cal							Yes
virus0000027_02	flat_ldls_long	00:03	15			VIRUS	cal							Yes
virus0000027_03	flat_ldls_long	00:04	15			VIRUS	cal							Yes
virus0000028_01	Cd-A	00:06	15			VIRUS	cal							Yes
virus0000028_02	Cd-A	00:07	15			VIRUS	cal							Yes
0002	UNe Slave Cal	00:08	426			HPF	cal							Yes
virus0000028_03	Cd-A	00:08	15			VIRUS	cal							Yes
virus0000029_01	Hg	00:10	15			VIRUS	cal							Yes
virus0000029_02	Hg	00:11	15			VIRUS	cal							Yes
virus0000029_03	Hg	00:13	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:14	0			LRS2	cal							Yes
virus0000001_01	bias	00:14	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:15	0			LRS2	cal							Yes
virus0000001_02	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:16	0			LRS2	cal							Yes
virus0000001_03	bias	00:16	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:17	0			LRS2	cal							Yes
virus0000001_04	bias	00:17	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:17	0			LRS2	cal							Yes
virus0000001_05	bias	00:18	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:18	0			LRS2	cal							Yes
virus0000001_06	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:19	0			LRS2	cal							Yes
virus0000001_07	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:20	0			LRS2	cal							Yes
virus0000001_08	bias	00:20	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:21	0			LRS2	cal							Yes
virus0000001_09	bias	00:21	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:22	0			LRS2	cal							Yes
virus0000001_10	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:23	0			LRS2	cal							Yes
virus0000001_11	bias	00:23	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:23	360			LRS2	cal							Yes
virus0000002_01	dark	00:24	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:30	360			LRS2	cal							Yes
virus0000002_02	dark	00:31	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:37	360			LRS2	cal							Yes
virus0000002_03	dark	00:38	360			VIRUS	cal							Yes
lrs20000003_01	skyflat	00:54	7			LRS2	cal							Yes
lrs20000004_01	skyflat	00:55	10			LRS2	cal							Yes
lrs20000005_01	skyflat	00:56	13			LRS2	cal							Yes
lrs20000006_01	skyflat	00:58	16			LRS2	cal							Yes
lrs20000007_01	skyflat	00:59	22			LRS2	cal							Yes
lrs20000008_01	skyflat	01:00	30			LRS2	cal							Yes
virus0000003_01	skyflat	01:10	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:12	10			VIRUS	cal							Yes
virus0000005_01	skyflat	01:13	14			VIRUS	cal							Yes
virus0000006_01	skyflat	01:14	18			VIRUS	cal							Yes
virus0000007_01	skyflat	01:16	26			VIRUS	cal							Yes
0003	LFC Cal	03:08	106.5			HPF	cal							Yes
0004	LFC Cal	03:10	106.5			HPF	cal							Yes
0005	LFC Cal	03:12	106.5			HPF	cal							Yes
0006	LFC Cal	04:03	106.5			HPF	cal							Yes
0007	LFC Cal	04:05	106.5			HPF	cal							Yes
0008	LFC Cal	04:08	106.5			HPF	cal							Yes
0009	LFC Cal	05:27	106.5			HPF	cal							Yes
0010	LFC Cal	05:29	106.5			HPF	cal							Yes
0011	LFC Cal	05:32	106.5			HPF	cal							Yes
virus0000008_01	HZ21_052_E	06:31	60	5.0		VIRUS	spec	1.58		21.94	0.16			Yes
virus0000008_02	HZ21_052_E	06:33	60	1.0		VIRUS	spec	1.64		21.90	0.24			Yes
virus0000008_03	HZ21_052_E	06:35	60	1.0		VIRUS	spec	1.65		21.99	0.48			Yes
lrs20000009_01	parallel	06:42	360			LRS2	sci							Yes
virus0000009_01	QID 1986	06:42	360	6.0	UT26-1-008	VIRUS	sci	1.63		21.81	0.34		Clouds, low transparency.	No
0012	LFC Cal	06:43	106.5			HPF	cal							Yes
0013	LFC Cal	06:45	106.5			HPF	cal							Yes
lrs20000009_02	parallel	06:50	360			LRS2	sci							Yes
virus0000009_02	QID 1986	06:50	360	2.0	UT26-1-008	VIRUS	sci	1.46		21.81	0.36			No
lrs20000009_03	parallel	06:57	360			LRS2	sci							Yes
virus0000009_03	QID 1986	06:57	360	1.0	UT26-1-008	VIRUS	sci	1.48		21.78	0.25			No
0014	LFC Cal	07:10	106.5			HPF	cal							Yes
lrs20000010_01	parallel	07:10	360			LRS2	sci							Yes
virus0000010_01	QID 362	07:10	360	7.0	UT26-1-008	VIRUS	sci	1.50		21.88	0.62		Clouds, low transparency.	No
0015	LFC Cal	07:12	106.5			HPF	cal							Yes
lrs20000010_02	parallel	07:17	360			LRS2	sci							Yes
virus0000010_02	QID 362	07:17	360	1.0	UT26-1-008	VIRUS	sci	1.33		21.82	0.47			No
lrs20000010_03	parallel	07:24	360			LRS2	sci							Yes
virus0000010_03	QID 362	07:24	360	1.0	UT26-1-008	VIRUS	sci	1.34		21.81	0.43			No
0016	LFC Cal	07:32	106.5			HPF	cal							Yes
0017	QID 431	07:37	915.9	6.7	G26-1-002	HPF	sci	1.25		20.24	0.48	66	Clouds, low transparency.	No
virus0000011_01	parallel	07:37	1959			VIRUS	sci							Yes
0018	QID 431	07:53	915.9	0.7	G26-1-002	HPF	sci	1.20		20.06	0.48	54		No
0019	LFC Cal	08:10	106.5			HPF	cal							Yes
virus0000012_01	parallel	08:16	1060			VIRUS	sci							Yes
0020	QID 330	08:17	308.9	8.9	UT26-1-007	HPF	sci	1.43		20.45	0.33	120	Clouds, low transparency.	No
0021	QID 330	08:22	308.9	0.9	UT26-1-007	HPF	sci	1.23		20.41	0.32	92		No
0022	QID 330	08:28	308.9	-0.1	UT26-1-007	HPF	sci	1.32		20.37	0.38	94		No
lrs20000011_01	parallel	08:40	600			LRS2	sci							Yes
virus0000013_01	QID 512	08:40	600	7.0	UT26-1-018	VIRUS	sci	1.51		21.85	0.61			Yes
0023	LFC Cal	08:41	106.5			HPF	cal							Yes
0024	LFC Cal	08:43	106.5			HPF	cal							Yes
0025	LFC Cal	08:45	106.5			HPF	cal							Yes
lrs20000011_02	parallel	08:52	600			LRS2	sci							Yes
virus0000013_02	QID 512	08:52	600	2.0	UT26-1-018	VIRUS	sci	1.42		21.83	0.62			Yes
lrs20000011_03	parallel	09:03	600			LRS2	sci							Yes
virus0000013_03	QID 512	09:03	600	1.0	UT26-1-018	VIRUS	sci	1.37		21.69	0.64			Yes
0026	HR3601_tell_std	09:20	330.2	7.5		HPF	telluric	1.43		20.15	0.71			Yes
0027	LFC Cal	09:31	106.5			HPF	cal							Yes
lrs20000012_01	parallel	09:31	400			LRS2	sci							Yes
virus0000014_01	QID 2557	09:31	400	5.3	UT26-1-013	VIRUS	sci	1.37		21.84	0.47		Clouds, low transparency.	No
0028	LFC Cal	09:33	106.5			HPF	cal							Yes
0029	LFC Cal	09:36	106.5			HPF	cal							Yes
lrs20000012_02	parallel	09:39	400			LRS2	sci							Yes
virus0000014_02	QID 2557	09:39	400	0.3	UT26-1-013	VIRUS	sci	1.29		21.82	0.39			No
lrs20000012_03	parallel	09:47	400			LRS2	sci							Yes
virus0000014_03	QID 2557	09:47	400	1.3	UT26-1-013	VIRUS	sci	1.23		21.77	0.35			No
0030	LFC Cal	10:02	106.5			HPF	cal							Yes
virus0000015_01	parallel	10:02	300			VIRUS	sci							Yes
lrs20000013_01	QID 57	10:02	300	9.0	PSU26-1-003	LRS2-R	sci	1.44		20.74	0.38			P4
0031	LFC Cal	10:04	106.5			HPF	cal							Yes
lrs20000014_01	QID 82	10:11	60	4.0	PSU26-1-003	LRS2-B	sci	1.44		21.76	0.28			P4
virus0000016_01	parallel	10:20	300			VIRUS	sci							Yes
lrs20000015_01	QID 60	10:20	300	8.0	PSU26-1-003	LRS2-R	sci	1.33		20.72	0.17		Clouds, low transparency.	No
0032	LFC Cal	10:21	106.5			HPF	cal							Yes
0033	LFC Cal	10:23	106.5			HPF	cal							Yes
lrs20000016_01	FEIGE34_056_W	10:30	60	5.0		LRS2	spec	1.31		21.85	0.21			Yes
lrs20000017_01	FEIGE34_066_W	10:34	60	3.0		LRS2	spec	1.15		20.92	0.34			Yes
virus0000017_01	parallel	10:41	374			VIRUS	sci							Yes
0034	QID 1835	10:42	340.8	6.3	PSU26-1-010	HPF	sci	1.28		20.22	0.24	314	Clouds, low transparency.	No
0035	LFC Cal	10:52	106.5			HPF	cal							Yes
lrs20000018_01	parallel	10:52	360			LRS2	sci							Yes
virus0000018_01	QID 1985	10:52	360	5.0	UT26-1-008	VIRUS	sci	1.40		21.83	0.39		Clouds, low transparency.	No
0036	LFC Cal	10:54	106.5			HPF	cal							Yes
lrs20000018_02	parallel	10:59	360			LRS2	sci							Yes
virus0000018_02	QID 1985	10:59	360	1.0	UT26-1-008	VIRUS	sci	1.45		21.86	0.46			No
lrs20000018_03	parallel	11:06	360			LRS2	sci							Yes
virus0000018_03	QID 1985	11:06	360	1.0	UT26-1-008	VIRUS	sci	1.54		21.85	0.50			No
0037	QID 2551	11:20	969.1	7.8	PSU26-1-019	HPF	sci	1.33		20.11	0.26	142	Clouds, low transparency.	No
virus0000019_01	parallel	11:20	2047			VIRUS	sci							Yes
0038	QID 2551	11:37	969.1	0.8	PSU26-1-019	HPF	sci	1.32		20.05	0.13	81		No
0039	LFC Cal	11:55	106.5			HPF	cal							Yes
0040	QID 1750	12:02	42.6	8.3	UT26-1-014	HPF	sci	1.33		19.92	0.27	480	Clouds, low transparency.	No
0041	LFC Cal	12:04	106.5			HPF	cal							Yes
lrs20000019_01	QID 83	12:09	120	7.0	PSU26-1-003	LRS2-B	sci	1.67		21.24	0.08		Clouds, low transparency.	No
lrs20000020_01	bias	12:14	0			LRS2	cal							Yes
virus0000020_01	bias	12:15	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	12:20	15		ENG26-1-002	VIRUS	cal							Yes
virus0000022_01	Hg	12:21	15		ENG26-1-002	VIRUS	cal							Yes
0042	Dark	12:28	319.5			HPF	cal							Yes
0043	Quartz FCU	12:40	74.5			HPF	cal							Yes
0044	Quartz FCU	12:41	74.5			HPF	cal							Yes
0045	Quartz FCU	12:43	74.5			HPF	cal							Yes
0046	Quartz FCU	12:45	74.5			HPF	cal							Yes
0047	Quartz FCU	12:47	74.5			HPF	cal							Yes
0048	Quartz FCU	12:48	74.5			HPF	cal							Yes
0049	Quartz FCU	12:50	74.5			HPF	cal							Yes
0050	Alpha Bright Cal	12:53	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	12:55	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	12:58	85.2			HPF	cal							Yes
0054	LFC FCU	13:01	106.5			HPF	cal							Yes
0055	LFC FCU	13:03	106.5			HPF	cal							Yes
0056	LFC FCU	13:06	106.5			HPF	cal							Yes
0057	LFC FCU	13:08	106.5			HPF	cal							Yes
0058	LFC FCU	13:10	106.5			HPF	cal							Yes
0059	LFC FCU	13:13	106.5			HPF	cal							Yes
0060	LFC Cal	13:16	106.5			HPF	cal							Yes
0061	LFC Cal	13:18	106.5			HPF	cal							Yes
0062	Etalon Cal	13:26	159.8			HPF	cal							Yes
0063	Etalon Cal	13:29	159.8			HPF	cal							Yes
0064	Etalon Cal	13:32	159.8			HPF	cal							Yes
0065	Etalon Cal	13:35	159.8			HPF	cal							Yes
0066	UNe Slave Cal	13:39	426			HPF	cal							Yes
0067	UNe Slave Cal	13:47	426			HPF	cal							Yes
0068	UNe Slave Cal	13:54	426			HPF	cal							Yes
0069	UNe Slave Cal	14:02	426			HPF	cal							Yes
0070	UNe Slave Cal	14:10	426			HPF	cal							Yes
0071	UNe Slave Cal	14:18	426			HPF	cal							Yes
0070	LFC Cal	22:28	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:31	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:32	20			VIRUS	cal							Yes
virus0009901_01	bias	22:34	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:34	20			LRS2	cal							Yes
virus0009902_01	dark	22:36	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:36	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:38	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:39	15			LRS2	cal							Yes
0071	Dark	22:48	319.5			HPF	cal							Yes
0072	Quartz FCU	22:54	74.5			HPF	cal							Yes
0073	Quartz FCU	22:56	74.5			HPF	cal							Yes
0074	Quartz FCU	22:58	74.5			HPF	cal							Yes
0075	Quartz FCU	23:00	74.5			HPF	cal							Yes
0076	Quartz FCU	23:01	74.5			HPF	cal							Yes
0077	Quartz FCU	23:03	74.5			HPF	cal							Yes
0078	Quartz FCU	23:05	74.5			HPF	cal							Yes
0079	Alpha Bright Cal	23:07	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	23:09	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	23:11	85.2			HPF	cal							Yes
0082	Alpha Bright Cal	23:13	85.2			HPF	cal							Yes
0083	LFC FCU	23:16	106.5			HPF	cal							Yes
0084	LFC FCU	23:18	106.5			HPF	cal							Yes
0085	LFC Cal	23:21	106.5			HPF	cal							Yes
0086	LFC Cal	23:23	106.5			HPF	cal							Yes
0087	Etalon Cal	23:26	159.8			HPF	cal							Yes
0088	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000018_01	flat_Qth_R	23:30	15			LRS2	cal							Yes
lrs20000018_02	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000018_03	flat_Qth_R	23:33	15			LRS2	cal							Yes
lrs20000018_04	flat_Qth_R	23:34	15			LRS2	cal							Yes
lrs20000018_05	flat_Qth_R	23:35	15			LRS2	cal							Yes
lrs20000019_01	flat_ldls_long_B	23:36	20			LRS2	cal							Yes
0089	UNe Slave Cal	23:37	426			HPF	cal							Yes
lrs20000019_02	flat_ldls_long_B	23:38	20			LRS2	cal							Yes
lrs20000019_03	flat_ldls_long_B	23:39	20			LRS2	cal							Yes
lrs20000020_01	Cd-A_B	23:40	29			LRS2	cal							Yes
lrs20000020_02	Cd-A_B	23:42	29			LRS2	cal							Yes
lrs20000020_03	Cd-A_B	23:43	29			LRS2	cal							Yes
0090	UNe Slave Cal	23:45	426			HPF	cal							Yes
lrs20000021_01	FeAr_R	23:45	15			LRS2	cal							Yes
lrs20000021_02	FeAr_R	23:46	15			LRS2	cal							Yes
lrs20000021_03	FeAr_R	23:47	15			LRS2	cal							Yes
lrs20000022_01	Hg_R	23:48	20			LRS2	cal							Yes
lrs20000022_02	Hg_R	23:50	20			LRS2	cal							Yes
lrs20000022_03	Hg_R	23:51	20			LRS2	cal							Yes
lrs20000023_01	Hg_B	23:52	15			LRS2	cal							Yes
0091	UNe Slave Cal	23:53	426			HPF	cal							Yes
lrs20000023_02	Hg_B	23:54	15			LRS2	cal							Yes
lrs20000023_03	Hg_B	23:55	15			LRS2	cal							Yes