HET Night Report Reader

Civil Date	Ephemerides
2025-09-01	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:25	02:12	02:41	11:10	11:40	12:26	-	07:14
Night Length	8:29		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:24	17.9	17.0	01:47	clouds	00:23
05:16	17.8	17.3	06:39	clouds	01:23
07:11	17.4	17.8	11:48	twilight	04:37
Total Time Open					6:23

Program	Night Priority	Science
02:41	Idle due to weather (heavy overcast)
05:16	Science
06:03	Idle due to weather (clouds)
07:13	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
05:16	05:46	0.41	0.63	190	+3154	17.5	18.0	17.7	101	10	First of Night
08:44	09:09				+3556	16.8	17.6	17.6	119	8	Stack/Re-stack
↪ Comments			6:1, 6:2, 7:1 oscillating. PR# 6523
11:40	11:45	0.47	0.71	290	+3782	16.7	17.1	17.2	153	3	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6523	08:44-09:09	00:25	6:2, 6:1, 7:1 oscillating

TO Comments	Clouds for first half of night. Clear afterwards.

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 Cal	00:01	106.5			HPF	cal							Yes
0002	LFC Cal	00:04	106.5			HPF	cal							Yes
0003	Etalon Cal	00:06	159.8			HPF	cal							Yes
0004	UNe Slave Cal	00:10	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:12	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:13	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:15	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:16	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:17	15			LRS2	cal							Yes
0005	UNe Slave Cal	00:18	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:18	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:20	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:21	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:22	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:24	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:25	38			LRS2	cal							Yes
0006	UNe Slave Cal	00:26	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:27	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:28	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:30	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:31	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:32	20			LRS2	cal							Yes
0007	UNe Slave Cal	00:33	426			HPF	cal							Yes
lrs20000005_03	Hg_R	00:33	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:35	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:36	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:37	15			LRS2	cal							Yes
0008	UNe Slave Cal	00:41	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:44	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:45	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:46	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:48	15			VIRUS	cal							Yes
0009	UNe Slave Cal	00:49	426			HPF	cal							Yes
virus0000002_02	Cd-A	00:49	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:51	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:52	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:54	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:55	15			VIRUS	cal							Yes
lrs20000007_01	dark	00:56	360			LRS2	cal							Yes
virus0000004_01	dark	00:56	360			VIRUS	cal							Yes
lrs20000007_02	dark	01:03	360			LRS2	cal							Yes
virus0000004_02	dark	01:03	360			VIRUS	cal							Yes
lrs20000007_03	dark	01:10	360			LRS2	cal							Yes
virus0000004_03	dark	01:10	360			VIRUS	cal							Yes
lrs20000008_01	skyflat	01:28	7			LRS2	cal							Yes
lrs20000009_01	skyflat	01:29	10			LRS2	cal							Yes
lrs20000010_01	skyflat	01:31	13			LRS2	cal							Yes
lrs20000011_01	skyflat	01:32	16			LRS2	cal							Yes
lrs20000012_01	skyflat	01:33	22			LRS2	cal							Yes
lrs20000013_01	skyflat	01:34	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:38	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:39	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:41	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:42	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:44	26			VIRUS	cal							Yes
0010	LFC Cal	04:29	106.5			HPF	cal							Yes
0011	LFC Cal	04:31	106.5			HPF	cal							Yes
0012	LFC Cal	04:34	106.5			HPF	cal							Yes
0013	LFC Cal	05:01	106.5			HPF	cal							Yes
0014	LFC Cal	05:04	106.5			HPF	cal							Yes
0015	LFC Cal	05:06	106.5			HPF	cal							Yes
0016	LFC Cal	05:52	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:52	300			VIRUS	sci							Yes
lrs20000014_01	QID 2347	05:52	300	5.0	PSU25-3-013	LRS2-B	sci	1.27		20.01	0.75			Yes
0017	LFC Cal	05:54	106.5			HPF	cal							Yes
virus0000010_02	parallel	05:58	300			VIRUS	sci							Yes
lrs20000014_02	QID 2347	05:58	300	1.0	PSU25-3-013	LRS2-B	sci	1.29		20.09	0.76			Yes
0018	LFC Cal	06:20	106.5			HPF	cal							Yes
0019	LFC Cal	06:23	106.5			HPF	cal							Yes
0020	LFC Cal	06:25	106.5			HPF	cal							Yes
0021	LFC Cal	07:15	106.5			HPF	cal							Yes
lrs20000015_01	FEIGE110_056_E	07:17	60	4.0		LRS2	spec	1.52		21.72	0.90			Yes
lrs20000016_01	FEIGE110_066_E	07:24	120	6.0		LRS2	spec	1.72		20.86	0.99			Yes
0022	LFC Cal	07:30	106.5			HPF	cal							Yes
lrs20000017_01	parallel	07:30	420			LRS2	sci							Yes
virus0000011_01	QID 2699	07:30	420	4.0	PSU25-3-007	VIRUS	sci	1.38		21.75	0.83			Yes
0023	LFC Cal	07:33	106.5			HPF	cal							Yes
0024	LFC Cal	07:35	106.5			HPF	cal							Yes
lrs20000017_02	parallel	07:38	420			LRS2	sci							Yes
virus0000011_02	QID 2699	07:38	420	1.0	PSU25-3-007	VIRUS	sci	1.34		21.72	0.86			Yes
lrs20000017_03	parallel	07:47	420			LRS2	sci							Yes
virus0000011_03	QID 2699	07:47	420	2.0	PSU25-3-007	VIRUS	sci	1.33		21.79	0.83			Yes
0025	test_drk_donotuse	07:58	10.7			HPF	cal							Yes
0026	LFC Cal	08:10	106.5			HPF	cal							Yes
lrs20000018_01	parallel	08:10	360			LRS2	sci							Yes
0027	LFC Cal	08:13	106.5			HPF	cal							Yes
virus0000012_01	QID 998	08:14	360	20.0	UT25-3-012	VIRUS	sci	1.18		21.78	0.87			Yes
lrs20000018_02	parallel	08:21	360			LRS2	sci							Yes
virus0000012_02	QID 998	08:21	360	1.0	UT25-3-012	VIRUS	sci	1.19		21.79	0.86			Yes
lrs20000018_03	parallel	08:29	360			LRS2	sci							Yes
virus0000012_03	QID 998	08:29	360	2.0	UT25-3-012	VIRUS	sci	1.19		21.81	0.83			Yes
0028	test_drk_donotuse	08:36	10.7			HPF	cal							Yes
0029	QID 1845	08:42	32	7.5	PSU25-3-008	HPF	sci	1.45		20.32	0.84	494		P4
lrs20000019_01	parallel	09:13	360			LRS2	sci							Yes
virus0000013_01	QID 965	09:13	360	4.0	UT25-3-012	VIRUS	sci	1.17		21.79	0.86			Yes
0030	LFC Cal	09:14	106.5			HPF	cal							Yes
0031	LFC Cal	09:16	106.5			HPF	cal							Yes
lrs20000019_02	parallel	09:20	360			LRS2	sci							Yes
virus0000013_02	QID 965	09:21	360	2.0	UT25-3-012	VIRUS	sci	1.12		21.78	0.84			Yes
lrs20000019_03	parallel	09:28	360			LRS2	sci							Yes
virus0000013_03	QID 965	09:28	360	1.0	UT25-3-012	VIRUS	sci	1.13		21.76	0.88			Yes
0032	LFC Cal	09:38	106.5			HPF	cal							Yes
virus0000014_01	parallel	09:38	300			VIRUS	sci							Yes
lrs20000020_01	QID 61	09:38	300	4.0	PSU25-3-002	LRS2-R	sci	1.13		20.80	1.12			P4
0033	LFC Cal	09:41	106.5			HPF	cal							Yes
0034	LFC Cal	09:49	106.5			HPF	cal							Yes
virus0000015_01	parallel	09:49	1200			VIRUS	sci							Yes
lrs20000021_01	QID 2962	09:49	1200	6.0	UT25-3-001	LRS2-B	sci	1.27		21.19	0.81			Yes
0035	LFC Cal	09:51	106.5			HPF	cal							Yes
0036	LFC Cal	09:54	106.5			HPF	cal							Yes
0037	LFC Cal	10:12	106.5			HPF	cal							Yes
virus0000016_01	parallel	10:12	1200			VIRUS	sci							Yes
lrs20000022_01	QID 2963	10:12	1200	3.0	UT25-3-001	LRS2-R	sci	1.20		20.90	0.79			Yes
0038	LFC Cal	10:14	106.5			HPF	cal							Yes
0039	LFC Cal	10:17	106.5			HPF	cal							Yes
0040	LFC Cal	10:36	106.5			HPF	cal							Yes
lrs20000023_01	parallel	10:36	360			LRS2	sci							Yes
virus0000017_01	QID 2249	10:36	360	4.0	UT25-3-017	VIRUS	sci	1.19		22.07	0.83			Yes
0041	LFC Cal	10:38	106.5			HPF	cal							Yes
lrs20000023_02	parallel	10:43	360			LRS2	sci							Yes
virus0000017_02	QID 2249	10:43	360	1.0	UT25-3-017	VIRUS	sci	1.17		22.04	0.80			Yes
lrs20000023_03	parallel	10:50	360			LRS2	sci							Yes
virus0000017_03	QID 2249	10:50	360	1.0	UT25-3-017	VIRUS	sci	1.26		21.99	0.76			Yes
0042	LFC Cal	11:02	106.5			HPF	cal							Yes
lrs20000024_01	QID 797	11:02	180	6.0	UT25-3-015	LRS2-B	sci	1.38		21.80	0.65			P4
0043	LFC Cal	11:10	106.5			HPF	cal							Yes
virus0000018_01	parallel	11:10	360			VIRUS	sci							Yes
lrs20000025_01	QID 798	11:10	360	5.0	UT25-3-015	LRS2-R	sci	1.37		20.99	0.80			P4
0044	LFC Cal	11:13	106.5			HPF	cal							Yes
0045	test_drk_donotuse	11:18	10.7			HPF	cal							Yes
0046	test_drk_donotuse	11:20	10.7			HPF	cal							Yes
0047	QID 1830	11:21	85.2	5.6	PSU25-3-008	HPF	sci	1.29		20.37	0.91	537		P4
lrs20000026_01	QID 865	11:27	180	4.0	UT25-3-015	LRS2-B	sci	1.28		20.58	0.70			P4
virus0000019_01	parallel	11:33	360			VIRUS	sci							Yes
lrs20000027_01	QID 866	11:34	360	4.0	UT25-3-015	LRS2-R	sci	1.35		19.40	0.90			P4
lrs20000028_01	bias	11:41	0			LRS2	cal							Yes
virus0000020_01	bias	11:41	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	11:44	15		ENG25-3-002	VIRUS	cal							Yes
virus0000022_01	Hg	11:46	15		ENG25-3-002	VIRUS	cal							Yes
lrs20000030_01	bias	11:55	0			LRS2	cal							Yes
virus0000024_01	bias	11:55	0			VIRUS	cal							Yes
lrs20000030_02	bias	11:55	0			LRS2	cal							Yes
virus0000024_02	bias	11:56	0			VIRUS	cal							Yes
lrs20000030_03	bias	11:56	0			LRS2	cal							Yes
virus0000024_03	bias	11:57	0			VIRUS	cal							Yes
lrs20000030_04	bias	11:57	0			LRS2	cal							Yes
virus0000024_04	bias	11:57	0			VIRUS	cal							Yes
lrs20000030_05	bias	11:58	0			LRS2	cal							Yes
virus0000024_05	bias	11:58	0			VIRUS	cal							Yes
lrs20000030_06	bias	11:59	0			LRS2	cal							Yes
virus0000024_06	bias	11:59	0			VIRUS	cal							Yes
lrs20000030_07	bias	12:00	0			LRS2	cal							Yes
virus0000024_07	bias	12:00	0			VIRUS	cal							Yes
virus0000024_08	bias	12:01	0			VIRUS	cal							Yes
lrs20000030_08	bias	12:01	0			LRS2	cal							Yes
lrs20000030_09	bias	12:01	0			LRS2	cal							Yes
virus0000024_09	bias	12:02	0			VIRUS	cal							Yes
lrs20000030_10	bias	12:02	0			LRS2	cal							Yes
lrs20000030_11	bias	12:03	0			LRS2	cal							Yes
virus0000024_10	bias	12:03	0			VIRUS	cal							Yes
virus0000024_11	bias	12:03	0			VIRUS	cal							Yes
0048	Dark	12:05	319.5			HPF	cal							Yes
0049	Quartz FCU	12:17	74.5			HPF	cal							Yes
0050	Quartz FCU	12:18	74.5			HPF	cal							Yes
0051	Quartz FCU	12:20	74.5			HPF	cal							Yes
0052	Quartz FCU	12:22	74.5			HPF	cal							Yes
0053	Quartz FCU	12:24	74.5			HPF	cal							Yes
0054	Quartz FCU	12:26	74.5			HPF	cal							Yes
0055	Quartz FCU	12:27	74.5			HPF	cal							Yes
0056	Alpha Bright Cal	12:30	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	12:32	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	12:34	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	12:36	85.2			HPF	cal							Yes
0060	LFC FCU	12:38	106.5			HPF	cal							Yes
0061	LFC FCU	12:40	106.5			HPF	cal							Yes
0062	LFC FCU	12:43	106.5			HPF	cal							Yes
0063	LFC FCU	12:45	106.5			HPF	cal							Yes
0064	LFC FCU	12:47	106.5			HPF	cal							Yes
0065	LFC FCU	12:50	106.5			HPF	cal							Yes
0066	LFC Cal	12:53	106.5			HPF	cal							Yes
0067	LFC Cal	12:55	106.5			HPF	cal							Yes
0068	Etalon Cal	13:03	159.8			HPF	cal							Yes
0069	Etalon Cal	13:06	159.8			HPF	cal							Yes
0070	Etalon Cal	13:09	159.8			HPF	cal							Yes
0071	Etalon Cal	13:12	159.8			HPF	cal							Yes
0072	UNe Slave Cal	13:16	426			HPF	cal							Yes
0073	UNe Slave Cal	13:24	426			HPF	cal							Yes
0074	UNe Slave Cal	13:31	426			HPF	cal							Yes
0075	UNe Slave Cal	13:39	426			HPF	cal							Yes
0076	UNe Slave Cal	13:47	426			HPF	cal							Yes
0077	UNe Slave Cal	13:55	426			HPF	cal							Yes
0066	LFC Cal	23:03	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:18	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:19	20			VIRUS	cal							Yes
virus0009901_01	bias	23:20	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:21	20			LRS2	cal							Yes
virus0009902_01	dark	23:22	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:23	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:26	15			LRS2	cal							Yes
0067	Dark	23:28	319.5			HPF	cal							Yes
0068	Quartz FCU	23:35	74.5			HPF	cal							Yes
0069	Quartz FCU	23:37	74.5			HPF	cal							Yes
0070	Quartz FCU	23:39	74.5			HPF	cal							Yes
0071	Quartz FCU	23:40	74.5			HPF	cal							Yes
0072	Quartz FCU	23:42	74.5			HPF	cal							Yes
0073	Quartz FCU	23:44	74.5			HPF	cal							Yes
0074	Quartz FCU	23:46	74.5			HPF	cal							Yes
0075	Alpha Bright Cal	23:48	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	23:50	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	23:52	85.2			HPF	cal							Yes
0078	Alpha Bright Cal	23:54	85.2			HPF	cal							Yes
0079	LFC FCU	23:56	106.5			HPF	cal							Yes
0080	LFC FCU	23:59	106.5			HPF	cal							Yes