HET Night Report Reader

Civil Date	Ephemerides
2026-08-24	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:35	02:22	02:52	11:04	11:34	12:22	-	09:52
Night Length	8:12		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:29	27.3	26.0	11:22	twilight	09:53
Total Time Open					9:53

Program	Night Priority	Science
02:52	Science
03:22	Idle due to weather (sky brightness too high)
04:16	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:01	02:27	0.44	0.67	-380	-1469	25.3	26.0	26.0	124	10	First of Night
05:22	05:28	0.60	1.05	-390	-716	22.5	23.3	23.6	126	12	Post-Observing
05:28	05:49	0.39	0.61	-397	+192	22.1	22.9	23.2	127	13	Stack/Re-stack
11:14	11:19	0.66	1.22	-427	+945	20.4	21.0	21.1	193	9	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear all night but some bouts of bad seeing.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000037_02	dark	00:04	360			LRS2	cal							Yes
virus0000035_02	dark	00:04	360			VIRUS	cal							Yes
lrs20000037_03	dark	00:10	360			LRS2	cal							Yes
virus0000035_03	dark	00:11	360			VIRUS	cal							Yes
0001	LFC Cal	01:16	106.5			HPF	cal							Yes
0002	LFC Cal	01:18	106.5			HPF	cal							Yes
0003	LFC Cal	01:20	106.5			HPF	cal							Yes
0004	twilight	01:33	298.2			HPF	cal					492		Yes
lrs20000001_01	skyflat	01:40	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:41	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:42	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:44	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:45	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:46	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:49	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:50	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:52	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:53	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:55	26			VIRUS	cal							Yes
0005	LFC Cal	02:12	106.5			HPF	cal							Yes
0006	LFC Cal	02:14	106.5			HPF	cal							Yes
0007	LFC Cal	02:16	106.5			HPF	cal							Yes
lrs20000007_01	HD180609_056_E	02:33	30	4.5		LRS2	spec	1.49	0.68	19.24	0.87			Yes
lrs20000008_01	HD180609_066_E	02:37	30	3.5		LRS2	spec	1.46	0.84	19.29	0.98			Yes
virus0000006_01	1757132_034_E	02:42	60	5.0		VIRUS	spec	1.52	0.81	19.39	0.86			Yes
virus0000006_02	1757132_034_E	02:44	60	1.0		VIRUS	spec	1.29	0.79	19.40	0.88			Yes
virus0000006_03	1757132_034_E	02:46	60	1.0		VIRUS	spec	1.39	0.81	19.41	0.88			Yes
virus0000007_01	parallel	02:54	1658.1			VIRUS	sci							Yes
0008	QID 794	02:55	511.2	7.5	UT26-3-001	HPF	sci	1.31	0.64	19.40	0.84	170		P4
0009	QID 794	03:04	511.2	0.5	UT26-3-001	HPF	sci	1.38	0.72	19.41	0.84	178		P4
0010	QID 794	03:13	511.2	1.5	UT26-3-001	HPF	sci	1.49	0.91	19.38	0.85	182		P4
0011	LFC Cal	03:35	106.5			HPF	cal							Yes
virus0000008_01	parallel	03:35	1200			VIRUS	sci							Yes
lrs20000009_01	QID 220	03:35	1200	13.0	PSU26-3-003	LRS2-B	sci	1.57	1.10	17.86	0.90		sky brightness too high, error in estimation of schedulling tool, allowed to complete observation due to lack of competing targets, won	No
0012	LFC Cal	03:38	106.5			HPF	cal							Yes
0013	LFC Cal	03:40	106.5			HPF	cal							Yes
virus0000008_02	parallel	03:56	1200			VIRUS	sci							Yes
lrs20000009_02	QID 220	03:56	1200	1.0	PSU26-3-003	LRS2-B	sci	1.72	1.39	17.85	0.83		sky brightness too high, error in estimation of schedulling tool, allowed to complete observation due to lack of competing targets, won't be charged	No
0014	QID 795	04:24	617.7	8.7	UT26-3-001	HPF	sci	1.70	1.56	19.13	0.69	126		P4
virus0000009_01	parallel	04:24	1945.7			VIRUS	sci							Yes
0015	QID 795	04:35	617.7	0.7	UT26-3-001	HPF	sci	1.76	1.20	19.25	0.72	141		P4
0016	QID 795	04:47	617.7	0.7	UT26-3-001	HPF	sci	1.79	1.50	19.41	0.74	143		P4
0017	QID 791	05:04	308.9	6.9	UT26-3-001	HPF	sci	1.84	1.48	17.43	0.98	169	Sky brightness higher than requested due to moon proximity. Please review data quality and request rejection if needed	Yes
virus0000010_01	parallel	05:04	1051			VIRUS	sci							Yes
0018	QID 791	05:10	308.9	0.9	UT26-3-001	HPF	sci	1.73	1.09	17.37	0.98	165	Sky brightness higher than requested due to moon proximity. Please review data quality and request rejection if needed	Yes
0019	QID 791	05:16	308.9	0.9	UT26-3-001	HPF	sci	1.64	1.03	17.26	1.03	158	Sky brightness higher than requested due to moon proximity. Please review data quality and request rejection if needed	Yes
0020	HR7251_tell_std	05:57	117.2	7.0		HPF	telluric	1.52	0.95	19.36	0.91			Yes
lrs20000010_01	WD2341+322_056_E	06:07	180	9.0		LRS2	spec	1.44	1.07	19.64	0.78			Yes
lrs20000011_01	WD2341+322_066_E	06:13	180	3.0		LRS2	spec	1.33	1.10	19.37	1.10			Yes
0021	LFC Cal	06:24	106.5			HPF	cal							Yes
virus0000011_01	parallel	06:24	600			VIRUS	sci							Yes
lrs20000012_01	QID 910	06:24	600	8.0	UT26-3-009	LRS2-B	sci	1.50	1.12	19.45	0.90			P4
0022	LFC Cal	06:27	106.5			HPF	cal							Yes
0023	LFC Cal	06:29	106.5			HPF	cal							Yes
0024	LFC Cal	06:38	106.5			HPF	cal							Yes
virus0000012_01	parallel	06:38	1200			VIRUS	sci							Yes
lrs20000013_01	QID 911	06:38	1200	4.0	UT26-3-009	LRS2-R	sci	1.52	1.01	19.41	1.00			P4
0025	LFC Cal	06:40	106.5			HPF	cal							Yes
0026	LFC Cal	06:43	106.5			HPF	cal							Yes
0027	QID 961	07:06	969.1	7.8	UT26-3-012	HPF	sci	1.40	0.93	19.00	1.03	424		Yes
virus0000013_01	parallel	07:06	1000			VIRUS	sci							Yes
0028	LFC Cal	07:24	106.5			HPF	cal							Yes
0029	QID 103	07:29	894.6	7.1	UT26-3-004	HPF	sci	1.32	1.11	18.97	0.96	168		P4
virus0000014_01	parallel	07:29	2776.3			VIRUS	sci							Yes
0030	QID 103	07:45	894.6	1.1	UT26-3-004	HPF	sci	1.70	1.68	19.15	0.91	152		P4
0031	QID 103	08:01	894.6	1.1	UT26-3-004	HPF	sci	1.76	1.49	19.21	0.68	113		P4
0032	LFC Cal	08:18	106.5			HPF	cal							Yes
virus0000015_01	parallel	08:21	1914.8			VIRUS	sci							Yes
0033	QID 225	08:22	915.9	5.7	G26-3-002	HPF	sci	1.74	1.23	19.46	0.86	121		Yes
0034	QID 225	08:38	915.9	0.7	G26-3-002	HPF	sci	1.58	0.97	19.67	0.94	141		Yes
0035	LFC Cal	08:55	106.5			HPF	cal							Yes
virus0000016_01	parallel	08:59	2041.5			VIRUS	sci							Yes
0036	QID 784	09:00	649.6	7.2	UT26-3-008	HPF	sci	1.56	1.21	19.44	0.63	272		Yes
0037	QID 784	09:11	649.6	0.2	UT26-3-008	HPF	sci	1.59	1.42	19.65	0.77	340		Yes
0038	QID 784	09:23	649.6	1.2	UT26-3-008	HPF	sci	1.67	1.71	19.87	0.82	353		Yes
0039	LFC Cal	09:35	106.5			HPF	cal							Yes
0040	QID 765	09:45	713.6	11.1	UT26-3-001	HPF	sci	1.71	1.16	20.11	0.66	49		Yes
virus0000017_01	parallel	09:45	4530.3			VIRUS	sci							Yes
0041	QID 765	09:58	713.6	1.1	UT26-3-001	HPF	sci	1.67	1.10	20.44	0.73	62		Yes
0042	QID 765	10:11	713.6	1.1	UT26-3-001	HPF	sci	1.69	1.08	20.57	0.76	69		Yes
0043	QID 765	10:23	713.6	0.1	UT26-3-001	HPF	sci	1.68	0.94	20.51	0.80	66		Yes
0044	QID 765	10:36	713.6	1.1	UT26-3-001	HPF	sci	1.67	1.27	20.40	0.88	60		Yes
0045	QID 765	10:49	713.6	1.1	UT26-3-001	HPF	sci	1.57	0.90	20.33	0.92	27	observation was 7 min longer than the track. last exposure had to finish with shutter closed, only 5 min target flux was obtained	Yes
virus0000018_01	parallel	11:07	318.4			VIRUS	sci							Yes
0046	QID 931	11:08	276.9	6.4	UT26-3-012	HPF	sci	2.03	1.17	20.57	0.88	442		Yes
0047	LFC Cal	11:14	106.5			HPF	cal							Yes
lrs20000014_01	bias	11:23	0			LRS2	cal							Yes
virus0000019_01	bias	11:24	0			VIRUS	cal							Yes
virus0000020_01	Cd-A	11:28	15		ENG26-3-002	VIRUS	cal							Yes
virus0000021_01	Hg	11:30	15		ENG26-3-002	VIRUS	cal							Yes
0048	Dark	11:38	319.5			HPF	cal							Yes
0049	Quartz FCU	11:50	74.5			HPF	cal							Yes
0050	Quartz FCU	11:51	74.5			HPF	cal							Yes
0051	Quartz FCU	11:53	74.5			HPF	cal							Yes
0052	Quartz FCU	11:55	74.5			HPF	cal							Yes
0053	Quartz FCU	11:57	74.5			HPF	cal							Yes
0054	Quartz FCU	11:58	74.5			HPF	cal							Yes
0055	Quartz FCU	12:00	74.5			HPF	cal							Yes
0056	Alpha Bright Cal	12:03	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0060	LFC FCU	12:11	106.5			HPF	cal							Yes
0061	LFC FCU	12:13	106.5			HPF	cal							Yes
0062	LFC FCU	12:16	106.5			HPF	cal							Yes
0063	LFC FCU	12:18	106.5			HPF	cal							Yes
0064	LFC FCU	12:20	106.5			HPF	cal							Yes
0065	LFC FCU	12:23	106.5			HPF	cal							Yes
0066	LFC Cal	12:26	106.5			HPF	cal							Yes
0067	LFC Cal	12:28	106.5			HPF	cal							Yes
0068	Etalon Cal	12:36	159.8			HPF	cal							Yes
0069	Etalon Cal	12:39	159.8			HPF	cal							Yes
0070	Etalon Cal	12:42	159.8			HPF	cal							Yes
0071	Etalon Cal	12:45	159.8			HPF	cal							Yes
0072	UNe Slave Cal	12:49	426			HPF	cal							Yes
0073	UNe Slave Cal	12:57	426			HPF	cal							Yes
0074	UNe Slave Cal	13:05	426			HPF	cal							Yes
0075	UNe Slave Cal	13:12	426			HPF	cal							Yes
0076	UNe Slave Cal	13:20	426			HPF	cal							Yes
0093	LFC Cal	22:03	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:08	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:09	20			VIRUS	cal							Yes
virus0009901_01	bias	22:11	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:11	20			LRS2	cal							Yes
virus0009902_01	dark	22:13	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:14	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:15	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:16	15			LRS2	cal							Yes
0094	Dark	22:20	319.5			HPF	cal							Yes
0095	Quartz FCU	22:27	74.5			HPF	cal							Yes
0096	Quartz FCU	22:28	74.5			HPF	cal							Yes
0097	Quartz FCU	22:30	74.5			HPF	cal							Yes
0098	Quartz FCU	22:32	74.5			HPF	cal							Yes
0099	Quartz FCU	22:34	74.5			HPF	cal							Yes
0100	Quartz FCU	22:36	74.5			HPF	cal							Yes
0101	Quartz FCU	22:38	74.5			HPF	cal							Yes
0102	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0103	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0104	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0105	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0106	LFC FCU	22:49	106.5			HPF	cal							Yes
0107	LFC FCU	22:51	106.5			HPF	cal							Yes
0108	LFC Cal	22:54	106.5			HPF	cal							Yes
0109	LFC Cal	22:56	106.5			HPF	cal							Yes
0110	Etalon Cal	22:59	159.8			HPF	cal							Yes
0111	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000030_01	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000030_02	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000030_03	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000030_04	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000030_05	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000031_01	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
0112	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000031_02	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
lrs20000031_03	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000032_01	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000032_02	Cd-A_B	23:15	29			LRS2	cal							Yes
lrs20000032_03	Cd-A_B	23:16	29			LRS2	cal							Yes
0113	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000033_01	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000033_02	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000033_03	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000034_01	Hg_R	23:21	20			LRS2	cal							Yes
lrs20000034_02	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000034_03	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000035_01	Hg_B	23:25	15			LRS2	cal							Yes
0114	UNe Slave Cal	23:26	426			HPF	cal							Yes
lrs20000035_02	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000035_03	Hg_B	23:28	15			LRS2	cal							Yes
0115	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000031_01	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000031_02	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000031_03	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000032_01	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000032_02	Cd-A	23:40	15			VIRUS	cal							Yes
0116	UNe Slave Cal	23:42	426			HPF	cal							Yes
virus0000032_03	Cd-A	23:42	15			VIRUS	cal							Yes
virus0000033_01	Hg	23:43	15			VIRUS	cal							Yes
virus0000033_02	Hg	23:44	15			VIRUS	cal							Yes
virus0000033_03	Hg	23:46	15			VIRUS	cal							Yes
lrs20000036_01	bias	23:47	0			LRS2	cal							Yes
virus0000034_01	bias	23:47	0			VIRUS	cal							Yes
lrs20000036_02	bias	23:48	0			LRS2	cal							Yes
virus0000034_02	bias	23:48	0			VIRUS	cal							Yes
lrs20000036_03	bias	23:49	0			LRS2	cal							Yes
virus0000034_03	bias	23:49	0			VIRUS	cal							Yes
lrs20000036_04	bias	23:50	0			LRS2	cal							Yes
virus0000034_04	bias	23:50	0			VIRUS	cal							Yes
lrs20000036_05	bias	23:51	0			LRS2	cal							Yes
virus0000034_05	bias	23:51	0			VIRUS	cal							Yes
lrs20000036_06	bias	23:51	0			LRS2	cal							Yes
lrs20000036_07	bias	23:52	0			LRS2	cal							Yes
virus0000034_06	bias	23:52	0			VIRUS	cal							Yes
virus0000034_07	bias	23:53	0			VIRUS	cal							Yes
lrs20000036_08	bias	23:53	0			LRS2	cal							Yes
virus0000034_08	bias	23:53	0			VIRUS	cal							Yes
lrs20000036_09	bias	23:54	0			LRS2	cal							Yes
virus0000034_09	bias	23:54	0			VIRUS	cal							Yes
lrs20000036_10	bias	23:55	0			LRS2	cal							Yes
virus0000034_10	bias	23:55	0			VIRUS	cal							Yes
lrs20000036_11	bias	23:56	0			LRS2	cal							Yes
virus0000034_11	bias	23:56	0			VIRUS	cal							Yes
lrs20000037_01	dark	23:57	360			LRS2	cal							Yes
virus0000035_01	dark	23:57	360			VIRUS	cal							Yes

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