HET Night Report Reader

Civil Date	Ephemerides
2025-09-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:58	01:43	02:11	11:25	11:54	12:39	-	01:51
Night Length	9:14		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Amy Ray	Nathan McReynolds

Overlaps		none

Other Personnel	Joshua Scally

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:23	21.9	20.2	05:48	PR	05:25
06:15	22.4	22.7	07:52	clouds	01:37
08:36	17.5	20.5	11:51	dew point	03:15
Total Time Open					10:17

Program	Night Priority	Science
02:11	Science
07:08	Idle due to weather (Clouds)
08:36	Science
08:41	Idle due to weather (Poor IQ)
10:06	Science
10:51	Idle due to weather (Clouds)
11:13	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:20	01:58	0.41	0.63	198	+1491	21.6	21.3	21.0	147	4	First of Night
06:15	06:29	1.18	1.82	258	+2287	22.4	22.8	22.7	51	7	Post-Observing
06:29	07:02	0.44	0.68	223	+2215	21.9	22.6	22.6	35	7	Stack/Re-stack
09:04	09:13	1.90	2.81	963	+2829	16.3	18.3	18.8	352	11	Post-Observing
09:13	10:06	0.48	0.74	210	+3091	15.2	15.9	16.7	340	8	Stack/Re-stack
↪ Comments			7:3 slow to move into position

Problem Reports
PR Number	Times	Time Lost	Description	Response
6528	04:48-04:56	00:08	SCS server timeout
6525	05:24-05:24, 05:33-06:15	00:42	6:4 stuck with same correction in SAMS
6542	07:26-07:41	00:15	power blip caused tracker to abort mid trajectory

TO Comments	none

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000041_02	dark	00:04	360			LRS2	cal							Yes
virus0000038_02	dark	00:04	360			VIRUS	cal							Yes
lrs20000041_03	dark	00:11	360			LRS2	cal							Yes
virus0000038_03	dark	00:11	360			VIRUS	cal							Yes
0001	twilight	00:55	298.2			HPF	cal					396		Yes
lrs20000001_01	skyflat	01:02	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:03	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:04	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:05	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:06	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:08	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:10	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:12	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:13	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:14	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:16	26			VIRUS	cal							Yes
lrs20000007_01	bias	01:17	0			LRS2	cal							Yes
virus0000006_01	bias	01:17	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:18	0			LRS2	cal							Yes
virus0000006_02	bias	01:18	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:19	0			LRS2	cal							Yes
virus0000006_03	bias	01:19	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:20	0			LRS2	cal							Yes
virus0000006_04	bias	01:20	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:20	0			LRS2	cal							Yes
virus0000006_05	bias	01:21	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:21	0			LRS2	cal							Yes
virus0000006_06	bias	01:22	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:22	0			LRS2	cal							Yes
lrs20000007_08	bias	01:23	0			LRS2	cal							Yes
virus0000006_07	bias	01:23	0			VIRUS	cal							Yes
virus0000006_08	bias	01:23	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:24	0			LRS2	cal							Yes
virus0000006_09	bias	01:24	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:25	0			LRS2	cal							Yes
virus0000006_10	bias	01:25	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:26	0			LRS2	cal							Yes
virus0000006_11	bias	01:26	0			VIRUS	cal							Yes
0002	QID 3017	02:03	969.1	5.8	PSU25-3-015	HPF	sci	1.25	0.87	20.76	0.90	149		Yes
virus0000007_01	parallel	02:03	1023			VIRUS	sci							Yes
0003	LFC Cal	02:26	106.5			HPF	cal							Yes
virus0000008_01	parallel	02:26	1500			VIRUS	sci							Yes
lrs20000008_01	QID 3014	02:26	1500	6.0	UT25-3-010	LRS2-B	sci	1.46	0.81	21.54	0.86			Yes
0004	LFC Cal	02:29	106.5			HPF	cal							Yes
0005	LFC Cal	02:31	106.5			HPF	cal							Yes
virus0000008_02	parallel	02:52	1500			VIRUS	sci							Yes
lrs20000008_02	QID 3014	02:52	1500	1.0	UT25-3-010	LRS2-B	sci	1.43	0.82	21.51	0.86			Yes
0006	LFC Cal	03:22	106.5			HPF	cal							Yes
virus0000009_01	parallel	03:22	1500			VIRUS	sci							Yes
lrs20000009_01	QID 2362	03:22	1500	5.0	UT25-3-010	LRS2-B	sci	1.49	0.74	21.70	0.91			Yes
0007	LFC Cal	03:24	106.5			HPF	cal							Yes
0008	LFC Cal	03:27	106.5			HPF	cal							Yes
virus0000009_02	parallel	03:48	1500			VIRUS	sci							Yes
lrs20000009_02	QID 2362	03:48	1500	1.0	UT25-3-010	LRS2-B	sci	1.52	0.73	21.69	0.90			Yes
0009	LFC Cal	04:18	106.5			HPF	cal							Yes
lrs20000010_01	QID 2350	04:18	240	5.0	PSU25-3-013	LRS2-B	sci	1.40	0.75	21.05	0.60			Yes
lrs20000010_02	QID 2350	04:23	240	1.0	PSU25-3-013	LRS2-B	sci	1.40	0.73	21.02	0.62			Yes
0010	LFC Cal	04:30	106.5			HPF	cal							Yes
lrs20000011_01	parallel	04:30	360			LRS2	sci							Yes
virus0000010_01	QID 2250	04:30	360	3.0	UT25-3-017	VIRUS	sci	1.36	0.76	21.52	0.89			Yes
0011	LFC Cal	04:33	106.5			HPF	cal							Yes
lrs20000011_02	parallel	04:37	360			LRS2	sci							Yes
virus0000010_02	QID 2250	04:37	360	1.0	UT25-3-017	VIRUS	sci	1.38	0.75	21.53	0.88			Yes
lrs20000011_03	parallel	04:45	360			LRS2	sci							Yes
virus0000010_03	QID 2250	04:45	360	2.0	UT25-3-017	VIRUS	sci	1.40	0.80	21.54	0.87			Yes
virus0000011_01	parallel	04:57	1500			VIRUS	sci							Yes
0012	LFC Cal	04:58	106.5			HPF	cal							Yes
lrs20000012_01	QID 2359	04:58	1500	7.0	UT25-3-010	LRS2-B	sci	1.54	0.89	21.55	0.87			Yes
0013	LFC Cal	05:00	106.5			HPF	cal							Yes
0014	LFC Cal	05:02	106.5			HPF	cal							Yes
virus0000012_01	parallel	05:27	360			VIRUS	sci							Yes
lrs20000013_01	QID 213	05:27	360	4.0	UT25-3-015	LRS2-R	sci	1.66	0.75	20.52	0.96			P4
0015	LFC Cal	05:28	106.5			HPF	cal							Yes
0016	LFC Cal	05:30	106.5			HPF	cal							Yes
0017	LFC Cal	05:40	106.5			HPF	cal							Yes
0018	LFC Cal	05:43	106.5			HPF	cal							Yes
0019	LFC Cal	05:45	106.5			HPF	cal							Yes
lrs20000014_01	HD209458_056_W	07:07	15	5.8		LRS2	spec	1.37	0.69	21.90	0.87			Yes
lrs20000015_01	parallel	07:11	360			LRS2	sci							Yes
virus0000013_01	QID 2370	07:11	360	3.0	PSU25-3-007	VIRUS	sci	1.40	0.72	21.93	0.16		Clouds lowered transparency throughout observation.	No
0020	LFC Cal	07:12	106.5			HPF	cal							Yes
0021	LFC Cal	07:14	106.5			HPF	cal							Yes
lrs20000015_02	parallel	07:19	360			LRS2	sci							Yes
virus0000013_02	QID 2370	07:19	360	2.0	PSU25-3-007	VIRUS	sci	1.45	0.78	21.91	0.38			No
lrs20000015_03	parallel	07:26	360			LRS2	sci							Yes
virus0000013_03	QID 2370	07:26	360	1.0	PSU25-3-007	VIRUS	sci	1.92	1.67	21.89	0.17			No
virus0000014_01	dark	07:55	360		ENG25-3-004	VIRUS	cal							Yes
virus0000014_02	dark	08:02	360		ENG25-3-004	VIRUS	cal							Yes
virus0000014_03	dark	08:09	360		ENG25-3-004	VIRUS	cal							Yes
virus0000014_04	dark	08:16	360		ENG25-3-004	VIRUS	cal							Yes
0022	LFC Cal	08:23	106.5			HPF	cal							Yes
0023	LFC Cal	08:26	106.5			HPF	cal							Yes
0024	LFC Cal	08:28	106.5			HPF	cal							Yes
lrs20000016_01	BD+210607_066_E	08:41	15	4.8		LRS2	spec	2.74		20.88	1.03			Yes
0025	QID 2989	08:47	969.1	6.8	UT25-3-009	HPF	sci	2.72		20.10	0.59	10	Seeing degraded significantly after setup so did not continue with second exposure.	No
virus0000015_01	parallel	08:47	2047			VIRUS	sci							Yes
0026	LFC Cal	10:09	106.5			HPF	cal							Yes
virus0000016_01	parallel	10:09	1000			VIRUS	sci							Yes
lrs20000017_01	QID 2090	10:09	1000	3.3	UT25-3-010	LRS2-B	sci	1.86		21.87	0.67			Yes
0027	LFC Cal	10:11	106.5			HPF	cal							Yes
0028	LFC Cal	10:14	106.5			HPF	cal							Yes
virus0000016_02	parallel	10:27	1000			VIRUS	sci							Yes
lrs20000017_02	QID 2090	10:27	1000	1.3	UT25-3-010	LRS2-B	sci	1.90		21.84	0.62			Yes
0029	QID 1832	10:50	74.5	5.8	PSU25-3-008	HPF	sci	2.35		20.19	0.95	430		P4
0030	LFC Cal	10:53	106.5			HPF	cal							Yes
0031	QID 1879	10:58	915.9	6.7	G25-3-002	HPF	sci	2.24		20.47	0.31	45	Clouds kept transparency low in first exposure so did not attempt second.	No
virus0000017_01	parallel	10:58	1959			VIRUS	sci							Yes
0032	LFC Cal	11:15	106.5			HPF	cal							Yes
virus0000018_01	parallel	11:20	800			VIRUS	sci							Yes
0033	LFC Cal	11:21	106.5			HPF	cal							Yes
lrs20000018_01	QID 2061	11:21	800	7.7	UT25-3-010	LRS2-B	sci	2.06		21.48	0.82			Yes
0034	LFC Cal	11:23	106.5			HPF	cal							Yes
0035	LFC Cal	11:25	106.5			HPF	cal							Yes
virus0000018_02	parallel	11:35	800			VIRUS	sci							Yes
lrs20000018_02	QID 2061	11:35	800	1.7	UT25-3-010	LRS2-B	sci	2.30		20.89	0.85			Yes
lrs20000019_01	bias	11:52	0			LRS2	cal							Yes
virus0000019_01	bias	11:53	0			VIRUS	cal							Yes
virus0000020_01	Cd-A	11:57	15		ENG25-3-002	VIRUS	cal							Yes
virus0000021_01	Hg	11:59	15		ENG25-3-002	VIRUS	cal							Yes
0036	Dark	12:02	319.5			HPF	cal							Yes
0037	Quartz FCU	12:13	74.5			HPF	cal							Yes
0038	Quartz FCU	12:15	74.5			HPF	cal							Yes
0039	Quartz FCU	12:17	74.5			HPF	cal							Yes
0040	Quartz FCU	12:19	74.5			HPF	cal							Yes
0041	Quartz FCU	12:20	74.5			HPF	cal							Yes
0042	Quartz FCU	12:22	74.5			HPF	cal							Yes
0043	Quartz FCU	12:24	74.5			HPF	cal							Yes
0044	Alpha Bright Cal	12:26	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	12:28	85.2			HPF	cal							Yes
0046	Alpha Bright Cal	12:30	85.2			HPF	cal							Yes
0047	Alpha Bright Cal	12:32	85.2			HPF	cal							Yes
0048	LFC FCU	12:35	106.5			HPF	cal							Yes
0049	LFC FCU	12:37	106.5			HPF	cal							Yes
0050	LFC FCU	12:39	106.5			HPF	cal							Yes
0051	LFC FCU	12:42	106.5			HPF	cal							Yes
0052	LFC FCU	12:44	106.5			HPF	cal							Yes
0053	LFC FCU	12:46	106.5			HPF	cal							Yes
0054	LFC Cal	12:49	106.5			HPF	cal							Yes
0055	LFC Cal	12:52	106.5			HPF	cal							Yes
0056	Etalon Cal	12:59	159.8			HPF	cal							Yes
0057	Etalon Cal	13:02	159.8			HPF	cal							Yes
0058	Etalon Cal	13:06	159.8			HPF	cal							Yes
0059	Etalon Cal	13:09	159.8			HPF	cal							Yes
0060	UNe Slave Cal	13:12	426			HPF	cal							Yes
0061	UNe Slave Cal	13:20	426			HPF	cal							Yes
0062	UNe Slave Cal	13:28	426			HPF	cal							Yes
0063	UNe Slave Cal	13:36	426			HPF	cal							Yes
0064	UNe Slave Cal	13:43	426			HPF	cal							Yes
0065	UNe Slave Cal	13:51	426			HPF	cal							Yes
0109	LFC Cal	21:54	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	21:58	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:01	20			LRS2	cal							Yes
virus0009902_01	dark	22:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:03	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:05	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
lrs20009909_01	bias	22:16	0			LRS2	cal							Yes
lrs20009910_01	flat_ldls_long_B	22:19	20			LRS2	cal							Yes
lrs20009911_01	Cd-A_B	22:20	38			LRS2	cal							Yes
lrs20009912_01	FeAr_R	22:22	15			LRS2	cal							Yes
lrs20009913_01	Hg_B	22:23	15			LRS2	cal							Yes
0110	Dark	22:30	319.5			HPF	cal							Yes
0111	Quartz FCU	22:36	74.5			HPF	cal							Yes
0112	Quartz FCU	22:38	74.5			HPF	cal							Yes
0113	Quartz FCU	22:40	74.5			HPF	cal							Yes
0114	Quartz FCU	22:41	74.5			HPF	cal							Yes
0115	Quartz FCU	22:43	74.5			HPF	cal							Yes
0116	Quartz FCU	22:45	74.5			HPF	cal							Yes
0117	Quartz FCU	22:47	74.5			HPF	cal							Yes
0118	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0119	Alpha Bright Cal	22:51	85.2			HPF	cal							Yes
0120	Alpha Bright Cal	22:53	85.2			HPF	cal							Yes
0121	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0122	LFC FCU	22:58	106.5			HPF	cal							Yes
0123	LFC FCU	23:00	106.5			HPF	cal							Yes
0124	LFC Cal	23:03	106.5			HPF	cal							Yes
0125	LFC Cal	23:05	106.5			HPF	cal							Yes
0126	Etalon Cal	23:08	159.8			HPF	cal							Yes
0127	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000035_01	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000035_02	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000035_03	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000035_04	flat_Qth_R	23:17	15			LRS2	cal							Yes
lrs20000035_05	flat_Qth_R	23:18	15			LRS2	cal							Yes
0128	UNe Slave Cal	23:19	426			HPF	cal							Yes
lrs20000036_01	flat_ldls_long_B	23:19	20			LRS2	cal							Yes
lrs20000036_02	flat_ldls_long_B	23:21	20			LRS2	cal							Yes
lrs20000036_03	flat_ldls_long_B	23:22	20			LRS2	cal							Yes
lrs20000037_01	Cd-A_B	23:23	38			LRS2	cal							Yes
lrs20000037_02	Cd-A_B	23:25	38			LRS2	cal							Yes
lrs20000037_03	Cd-A_B	23:26	38			LRS2	cal							Yes
0129	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000038_01	FeAr_R	23:28	15			LRS2	cal							Yes
lrs20000038_02	FeAr_R	23:29	15			LRS2	cal							Yes
lrs20000038_03	FeAr_R	23:31	15			LRS2	cal							Yes
lrs20000039_01	Hg_R	23:32	20			LRS2	cal							Yes
lrs20000039_02	Hg_R	23:33	20			LRS2	cal							Yes
lrs20000039_03	Hg_R	23:34	20			LRS2	cal							Yes
0130	UNe Slave Cal	23:35	426			HPF	cal							Yes
lrs20000040_01	Hg_B	23:36	15			LRS2	cal							Yes
lrs20000040_02	Hg_B	23:37	15			LRS2	cal							Yes
lrs20000040_03	Hg_B	23:38	15			LRS2	cal							Yes
0131	UNe Slave Cal	23:43	426			HPF	cal							Yes
virus0000035_01	flat_ldls_long	23:45	15			VIRUS	cal							Yes
virus0000035_02	flat_ldls_long	23:46	15			VIRUS	cal							Yes
virus0000035_03	flat_ldls_long	23:48	15			VIRUS	cal							Yes
virus0000036_01	Cd-A	23:49	15			VIRUS	cal							Yes
0132	UNe Slave Cal	23:50	426			HPF	cal							Yes
virus0000036_02	Cd-A	23:50	15			VIRUS	cal							Yes
virus0000036_03	Cd-A	23:52	15			VIRUS	cal							Yes
virus0000037_01	Hg	23:53	15			VIRUS	cal							Yes
virus0000037_02	Hg	23:55	15			VIRUS	cal							Yes
virus0000037_03	Hg	23:56	15			VIRUS	cal							Yes
lrs20000041_01	dark	23:57	360			LRS2	cal							Yes
virus0000038_01	dark	23:57	360			VIRUS	cal							Yes