HET Night Report Reader

Civil Date	Ephemerides
2026-08-26	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:33	02:19	02:49	11:05	11:35	12:23	-	11:51
Night Length	8:16		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin / Jose Fernandez	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
-	Tyler Ryburn

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:29	26.9	26.4	00:57	engineering	00:28
01:29	26.2	26.0	05:46	queue hole	04:17
06:27	22.0	23.1	08:13	radar	01:46
09:41	20.5	22.5	09:50	dust	00:09
Total Time Open					6:40

Program	Night Priority	Science
02:49	Science
02:58	Engineering (hpf)
04:28	Science
05:08	Idle due to weather (sky too bright (moon), thin clouds, queue gap)
06:31	Science
06:55	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
02:00	02:26	0.40	0.62	-447	-900	25.0	25.6	25.7	123	11	First of Night
05:08	05:45	0.49	0.72	-407	+464	22.1	23.1	23.4	133	11	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6713	05:00-05:00	00:00	Shutter became stuck at NEAR_CLOSED, fixed by moving and stopping dome, opening then closing.	Apologies for not remembering exact times when this problem occurred.

Ops Comments	none

TO Comments	Cloudy and dusty towards end of night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000027_02	dark	00:05	360			LRS2	cal							Yes
virus0000027_02	dark	00:05	360			VIRUS	cal							Yes
lrs20000027_03	dark	00:12	360			LRS2	cal							Yes
virus0000027_03	dark	00:12	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:38	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:39	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:40	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:41	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:43	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:44	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:45	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:47	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:48	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:49	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:51	26			VIRUS	cal							Yes
0001	LFC Cal	01:56	106.5			HPF	cal							Yes
0002	LFC Cal	01:58	106.5			HPF	cal							Yes
0003	LFC Cal	02:01	106.5			HPF	cal							Yes
0004	HR7844_tell_std	02:33	117.2	6.0		HPF	telluric	1.33	0.75	18.40	0.72			Yes
virus0000006_01	1757132_052_E	02:41	60	6.0		VIRUS	spec	1.44		18.54	0.71			Yes
virus0000006_02	1757132_052_E	02:43	60	1.0		VIRUS	spec	1.24	0.68	18.53	0.74			Yes
virus0000006_03	1757132_052_E	02:46	60	2.0		VIRUS	spec	1.22	0.64	18.52	0.74			Yes
lrs20000007_01	1757132_056_E	02:51	120	4.0		LRS2	spec	1.21	0.75	18.61	0.70			Yes
lrs20000008_01	1757132_066_E	02:56	120	3.0		LRS2	spec	1.34	0.65	18.52	0.83			Yes
0005	GJ_1214	03:05	969.1	7.8	ENG26-3-000	HPF	eng	1.23	0.73	18.28	0.87	145		Yes
virus0000007_01	parallel	03:05	2000			VIRUS	eng							Yes
0006	GJ_1214	03:22	969.1	0.8	ENG26-3-000	HPF	eng	1.36	0.75	18.24	0.87	149		Yes
0007	LFC Cal	03:40	106.5			HPF	cal							Yes
0008	GJ_699	03:49	202.3	9.6	ENG26-3-000	HPF	eng	1.27	0.87	17.87	0.85	493		Yes
virus0000008_01	parallel	03:49	2438.5			VIRUS	eng							Yes
0009	GJ_699	03:53	202.3	0.6	ENG26-3-000	HPF	eng	1.37	0.85	17.88	0.82	478		Yes
0010	GJ_699	03:57	202.3	0.6	ENG26-3-000	HPF	eng	1.40	0.86	17.89	0.81	527		Yes
0011	GJ_699	04:01	202.3	0.6	ENG26-3-000	HPF	eng	1.34	0.94	17.90	0.82	563		Yes
0012	GJ_699	04:05	202.3	0.6	ENG26-3-000	HPF	eng	1.37	0.83	17.93	0.83	568		Yes
0013	GJ_699	04:09	202.3	0.6	ENG26-3-000	HPF	eng	1.53	0.83	17.93	0.83	513		Yes
0014	GJ_699	04:13	202.3	0.6	ENG26-3-000	HPF	eng	1.93	0.85	17.96	0.79	409		Yes
0015	GJ_699	04:17	202.3	0.6	ENG26-3-000	HPF	eng	1.84	0.76	17.97	0.78	407		Yes
0016	GJ_699	04:21	202.3	0.6	ENG26-3-000	HPF	eng	1.39	0.68	17.96	0.78	510		Yes
0017	GJ_699	04:25	202.3	0.6	ENG26-3-000	HPF	eng	1.36	0.78	18.00	0.75	486		Yes
0018	LFC Cal	04:30	106.5			HPF	cal							Yes
virus0000009_01	parallel	04:35	1945.7			VIRUS	sci							Yes
0019	QID 1005	04:36	617.7	7.7	UT26-3-001	HPF	sci	1.48	0.69	17.96	0.66	161		Yes
0020	QID 1005	04:47	617.7	0.7	UT26-3-001	HPF	sci	1.47	0.82	18.02	0.67	150		Yes
0021	QID 1005	04:58	617.7	0.7	UT26-3-001	HPF	sci	1.50	0.83	18.05	0.69	137		Yes
virus0000010_01	dark	05:20	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_02	dark	05:27	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_03	dark	05:34	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_04	dark	05:40	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_05	dark	05:47	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_06	dark	05:54	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_07	dark	06:01	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_08	dark	06:08	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_09	dark	06:15	360		ENG26-3-004	VIRUS	cal							Yes
virus0000010_10	dark	06:21	360		ENG26-3-004	VIRUS	cal							Yes
0022	QID 962	06:39	969.1	7.8	UT26-3-012	HPF	sci	1.23		17.88	0.84	430		P4
virus0000011_01	parallel	06:39	1000			VIRUS	sci							Yes
0023	LFC Cal	06:57	106.5			HPF	cal							Yes
virus0000012_01	parallel	07:00	1000			VIRUS	sci							Yes
0024	QID 961	07:01	969.1	5.8	UT26-3-012	HPF	sci	1.23		17.86	0.87	362	clouds covered the sky during observation	No
0025	LFC Cal	07:19	106.5			HPF	cal							Yes
0026	LFC Cal	09:39	106.5			HPF	cal							Yes
0027	LFC Cal	09:41	106.5			HPF	cal							Yes
0028	LFC Cal	09:43	106.5			HPF	cal							Yes
0029	LFC Cal	10:10	106.5			HPF	cal							Yes
lrs20000009_01	bias	10:43	0			LRS2	cal							Yes
virus0000013_01	bias	10:44	0			VIRUS	cal							Yes
virus0000014_01	Cd-A	10:48	15		ENG26-3-002	VIRUS	cal							Yes
virus0000015_01	Hg	10:50	15		ENG26-3-002	VIRUS	cal							Yes
0030	Dark	10:59	319.5			HPF	cal							Yes
0031	Quartz FCU	11:10	74.5			HPF	cal							Yes
0032	Quartz FCU	11:12	74.5			HPF	cal							Yes
0033	Quartz FCU	11:14	74.5			HPF	cal							Yes
0034	Quartz FCU	11:16	74.5			HPF	cal							Yes
0035	Quartz FCU	11:18	74.5			HPF	cal							Yes
0036	Quartz FCU	11:19	74.5			HPF	cal							Yes
0037	Quartz FCU	11:21	74.5			HPF	cal							Yes
0038	Alpha Bright Cal	11:23	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	11:25	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	11:27	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	11:29	85.2			HPF	cal							Yes
0042	LFC FCU	11:33	106.5			HPF	cal							Yes
0043	LFC FCU	11:35	106.5			HPF	cal							Yes
0044	LFC FCU	11:37	106.5			HPF	cal							Yes
0045	LFC FCU	11:40	106.5			HPF	cal							Yes
0046	LFC FCU	11:42	106.5			HPF	cal							Yes
0047	LFC FCU	11:44	106.5			HPF	cal							Yes
0048	LFC Cal	11:47	106.5			HPF	cal							Yes
0049	LFC Cal	11:50	106.5			HPF	cal							Yes
0050	Etalon Cal	11:57	159.8			HPF	cal							Yes
0051	Etalon Cal	12:00	159.8			HPF	cal							Yes
0052	Etalon Cal	12:04	159.8			HPF	cal							Yes
0053	Etalon Cal	12:08	159.8			HPF	cal							Yes
0054	UNe Slave Cal	12:11	426			HPF	cal							Yes
0055	UNe Slave Cal	12:19	426			HPF	cal							Yes
0056	UNe Slave Cal	12:27	426			HPF	cal							Yes
0057	UNe Slave Cal	12:35	426			HPF	cal							Yes
0058	UNe Slave Cal	12:43	426			HPF	cal							Yes
0059	UNe Slave Cal	12:50	426			HPF	cal							Yes
0058	LFC Cal	22:00	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:11	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:12	20			VIRUS	cal							Yes
virus0009901_01	bias	22:13	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:14	20			LRS2	cal							Yes
virus0009902_01	dark	22:15	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:16	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:18	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:19	15			LRS2	cal							Yes
0059	Dark	22:22	319.5			HPF	cal							Yes
0060	Quartz FCU	22:28	74.5			HPF	cal							Yes
0061	Quartz FCU	22:30	74.5			HPF	cal							Yes
0062	Quartz FCU	22:32	74.5			HPF	cal							Yes
0063	Quartz FCU	22:34	74.5			HPF	cal							Yes
0064	Quartz FCU	22:35	74.5			HPF	cal							Yes
0065	Quartz FCU	22:37	74.5			HPF	cal							Yes
0066	Quartz FCU	22:39	74.5			HPF	cal							Yes
0067	Alpha Bright Cal	22:41	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0071	LFC FCU	22:50	106.5			HPF	cal							Yes
0072	LFC FCU	22:52	106.5			HPF	cal							Yes
0073	LFC Cal	22:55	106.5			HPF	cal							Yes
0074	LFC Cal	22:58	106.5			HPF	cal							Yes
0075	Etalon Cal	23:00	159.8			HPF	cal							Yes
0076	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000020_01	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000020_02	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000020_03	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000020_04	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000020_05	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000021_01	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
0077	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000021_02	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000021_03	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000022_01	Cd-A_B	23:15	29			LRS2	cal							Yes
lrs20000022_02	Cd-A_B	23:16	29			LRS2	cal							Yes
lrs20000022_03	Cd-A_B	23:18	29			LRS2	cal							Yes
lrs20000023_01	FeAr_R	23:19	15			LRS2	cal							Yes
0078	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000023_02	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000023_03	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000024_01	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000024_02	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000024_03	Hg_R	23:25	20			LRS2	cal							Yes
lrs20000025_01	Hg_B	23:27	15			LRS2	cal							Yes
0079	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000025_02	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000025_03	Hg_B	23:29	15			LRS2	cal							Yes
0080	UNe Slave Cal	23:35	426			HPF	cal							Yes
virus0000023_01	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000023_02	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000023_03	flat_ldls_long	23:39	15			VIRUS	cal							Yes
virus0000024_01	Cd-A	23:40	15			VIRUS	cal							Yes
virus0000024_02	Cd-A	23:42	15			VIRUS	cal							Yes
0081	UNe Slave Cal	23:43	426			HPF	cal							Yes
virus0000024_03	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000025_01	Hg	23:45	15			VIRUS	cal							Yes
virus0000025_02	Hg	23:46	15			VIRUS	cal							Yes
virus0000025_03	Hg	23:47	15			VIRUS	cal							Yes
lrs20000026_01	bias	23:49	0			LRS2	cal							Yes
virus0000026_01	bias	23:49	0			VIRUS	cal							Yes
lrs20000026_02	bias	23:50	0			LRS2	cal							Yes
virus0000026_02	bias	23:50	0			VIRUS	cal							Yes
lrs20000026_03	bias	23:50	0			LRS2	cal							Yes
lrs20000026_04	bias	23:51	0			LRS2	cal							Yes
virus0000026_03	bias	23:51	0			VIRUS	cal							Yes
virus0000026_04	bias	23:52	0			VIRUS	cal							Yes
lrs20000026_05	bias	23:52	0			LRS2	cal							Yes
virus0000026_05	bias	23:52	0			VIRUS	cal							Yes
lrs20000026_06	bias	23:53	0			LRS2	cal							Yes
virus0000026_06	bias	23:53	0			VIRUS	cal							Yes
lrs20000026_07	bias	23:54	0			LRS2	cal							Yes
virus0000026_07	bias	23:54	0			VIRUS	cal							Yes
lrs20000026_08	bias	23:55	0			LRS2	cal							Yes
virus0000026_08	bias	23:55	0			VIRUS	cal							Yes
lrs20000026_09	bias	23:56	0			LRS2	cal							Yes
virus0000026_09	bias	23:56	0			VIRUS	cal							Yes
lrs20000026_10	bias	23:56	0			LRS2	cal							Yes
virus0000026_10	bias	23:57	0			VIRUS	cal							Yes
lrs20000026_11	bias	23:57	0			LRS2	cal							Yes
virus0000026_11	bias	23:58	0			VIRUS	cal							Yes
lrs20000027_01	dark	23:58	360			LRS2	cal							Yes
virus0000027_01	dark	23:58	360			VIRUS	cal							Yes

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