HET Night Report Reader

Civil Date	Ephemerides
2026-07-08	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:10	03:02	03:38	10:24	10:59	11:53	07:16	-
Night Length	6:46		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Amy Westfall	-	-

Overlaps		none

Other Personnel	George Damm

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:08	22.3	20.1	10:34	twilight	08:26
Total Time Open					8:26

Program	Night Priority	Science
03:38	Science
08:09	Idle due to weather (IQ degraded)
08:35	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:39	03:09	0.47	0.70	-400	-861	21.9	21.1	20.8	158	8	First of Night
10:27	10:33	1.12	1.89	-295	+118	17.7	18.2	18.2	193	16	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear and calm night; 4 degree temperature drop.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	twilight	02:07	298.2			HPF	cal					436		Yes
lrs20000001_01	skyflat	02:16	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:17	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:18	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:19	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:20	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:22	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:26	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:27	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:28	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:29	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:31	26			VIRUS	cal							Yes
lrs20000007_01	GD153_056_W	03:15	180	5.0		LRS2	spec	2.03		20.81	0.77			Yes
lrs20000008_01	GD153_066_W	03:22	180	4.0		LRS2	spec	2.04		20.73	0.86			Yes
virus0000006_01	GD153_052_W	03:31	60	6.0		VIRUS	spec	2.13		21.69	0.81			Yes
virus0000006_02	GD153_052_W	03:33	60	1.0		VIRUS	spec	1.97		21.69	0.76			Yes
virus0000006_03	GD153_052_W	03:35	60	1.0		VIRUS	spec	1.72		21.72	0.83			Yes
0002	parallel	03:43	617.7	7.7	UT26-2-004	HPF	sci	1.66	1.41	20.56	0.90	144		Yes
virus0000007_01	parallel	03:43	3891.3			VIRUS	sci							Yes
0003	parallel	03:55	617.7	0.7	UT26-2-004	HPF	sci	1.65	1.14	20.60	0.89	158		Yes
0004	parallel	04:06	617.7	0.7	UT26-2-004	HPF	sci	1.56	1.21	20.54	0.90	163		Yes
0005	parallel	04:17	617.7	0.7	UT26-2-004	HPF	sci	1.48	1.24	20.61	0.90	170		Yes
0006	parallel	04:28	617.7	0.7	UT26-2-004	HPF	sci	1.56	0.99	20.59	0.88	149		Yes
0007	parallel	04:39	617.7	0.7	UT26-2-004	HPF	sci	1.64	1.33	20.59	0.84	138		Yes
virus0000008_01	parallel	04:56	2000			VIRUS	sci							Yes
0008	parallel	04:57	969.1	7.8	UT26-2-007	HPF	sci	1.62	1.26	20.69	0.91	36		Yes
0009	parallel	05:14	969.1	0.8	UT26-2-007	HPF	sci	1.61	1.00	20.62	0.91	32		Yes
lrs20000009_01	parallel	05:37	1000			LRS2	sci							Yes
0010	LFC Cal	05:38	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:38	1000	7.3	PSU26-2-003	VIRUS	sci	1.68	1.37	22.02	0.78			Yes
0011	LFC Cal	05:40	106.5			HPF	cal							Yes
0012	LFC Cal	05:42	106.5			HPF	cal							Yes
lrs20000009_02	parallel	05:55	1000			LRS2	sci							Yes
virus0000009_02	parallel	05:55	1000	1.3	PSU26-2-003	VIRUS	sci	1.57	0.92	22.06	0.77			Yes
lrs20000009_03	parallel	06:13	1000			LRS2	sci							Yes
virus0000009_03	parallel	06:13	1000	1.3	PSU26-2-003	VIRUS	sci	1.83	1.23	22.02	0.75			Yes
0013	parallel	06:36	340.8	6.3	PSU26-2-014	HPF	sci	1.70	1.32	20.33	0.91	454		P4
virus0000010_01	parallel	06:36	382.3			VIRUS	sci							Yes
0014	parallel	06:49	969.1	6.8	PSU26-2-016	HPF	sci	1.49	1.17	20.48	0.81	51		Yes
virus0000011_01	parallel	06:49	3000			VIRUS	sci							Yes
0015	parallel	07:06	969.1	1.8	PSU26-2-016	HPF	sci	1.64	1.46	20.38	0.90	56		Yes
0016	parallel	07:23	969.1	0.8	PSU26-2-016	HPF	sci	1.84	1.33	20.29	0.91	45		Yes
virus0000012_01	parallel	07:46	1401.4			VIRUS	sci							Yes
0017	parallel	07:47	308.9	6.9	UT26-2-004	HPF	sci	2.01	1.85	20.24	0.84	147		P4
0018	parallel	07:53	308.9	0.9	UT26-2-004	HPF	sci	2.01	1.46	20.27	0.84	137		P4
0019	parallel	07:58	308.9	0.9	UT26-2-004	HPF	sci	1.91	1.38	20.27	0.87	132		P4
0020	parallel	08:04	308.9	-0.1	UT26-2-004	HPF	sci	1.90	2.28	20.22	0.93	125		P4
0021	parallel	08:19	969.1	9.8	UT26-2-007	HPF	sci	2.33	1.94	20.32	0.92	30	IQ degraded	No
virus0000013_01	parallel	08:19	2000			VIRUS	sci							Yes
virus0000014_01	parallel	08:43	2229.9			VIRUS	sci							Yes
0022	parallel	08:44	330.2	9.5	PSU26-2-015	HPF	sci	2.55	1.94	20.37	0.63	180		Yes
0023	parallel	08:50	330.2	0.5	PSU26-2-015	HPF	sci	2.25	1.62	20.35	0.64	196		Yes
0024	parallel	08:56	330.2	0.5	PSU26-2-015	HPF	sci	2.12	1.56	20.37	0.66	199		Yes
0025	parallel	09:02	330.2	0.5	PSU26-2-015	HPF	sci	1.91	1.34	20.34	0.68	200		Yes
0026	parallel	09:09	330.2	0.5	PSU26-2-015	HPF	sci	1.92	1.80	20.30	0.72	186		Yes
0027	parallel	09:15	330.2	0.5	PSU26-2-015	HPF	sci	1.95	1.58	20.24	0.76	175		Yes
0028	LFC Cal	09:22	106.5			HPF	cal							Yes
lrs20000010_01	parallel	09:29	300	9.0	PSU26-2-001	LRS2-R	sci	2.32	1.20	20.65	0.83			P4
virus0000015_01	parallel	09:29	300			VIRUS	sci							Yes
0029	LFC Cal	09:30	106.5			HPF	cal							Yes
0030	LFC Cal	09:32	106.5			HPF	cal							Yes
virus0000016_01	parallel	09:41	2400			VIRUS	sci							Yes
lrs20000011_01	parallel	09:41	120	7.0	PSU26-2-011	LRS2-B	sci	2.67	1.43	20.71	0.76		Target setup not as aligned as could be, aborting and trying again	No
0031	LFC Cal	09:42	106.5			HPF	cal							Yes
0032	LFC Cal	09:44	106.5			HPF	cal							Yes
virus0000017_01	parallel	09:45	2400			VIRUS	sci							Yes
lrs20000012_01	parallel	09:45	2400	2.0	PSU26-2-011	LRS2-B	sci	2.30	1.29	20.69	0.80			Yes
0033	LFC Cal	09:46	106.5			HPF	cal							Yes
0034	LFC Cal	09:49	106.5			HPF	cal							Yes
0035	LFC Cal	09:51	106.5			HPF	cal							Yes
0036	LFC Cal	09:53	106.5			HPF	cal							Yes
0037	LFC Cal	10:03	106.5			HPF	cal							Yes
lrs20000013_01	bias	10:28	0			LRS2	cal							Yes
virus0000018_01	bias	10:28	0			VIRUS	cal							Yes
virus0000019_01	Cd-A	10:32	15		ENG26-2-002	VIRUS	cal							Yes
virus0000020_01	Hg	10:34	15		ENG26-2-002	VIRUS	cal							Yes
0038	Dark	10:40	319.5			HPF	cal							Yes
0039	Quartz FCU	10:52	74.5			HPF	cal							Yes
0040	Quartz FCU	10:54	74.5			HPF	cal							Yes
0041	Quartz FCU	10:56	74.5			HPF	cal							Yes
0042	Quartz FCU	10:57	74.5			HPF	cal							Yes
0043	Quartz FCU	10:59	74.5			HPF	cal							Yes
0044	Quartz FCU	11:01	74.5			HPF	cal							Yes
0045	Quartz FCU	11:03	74.5			HPF	cal							Yes
0046	Alpha Bright Cal	11:05	85.2			HPF	cal							Yes
0047	Alpha Bright Cal	11:07	85.2			HPF	cal							Yes
0048	Alpha Bright Cal	11:09	85.2			HPF	cal							Yes
0049	Alpha Bright Cal	11:11	85.2			HPF	cal							Yes
0050	LFC FCU	11:13	106.5			HPF	cal							Yes
0051	LFC FCU	11:16	106.5			HPF	cal							Yes
0052	LFC FCU	11:18	106.5			HPF	cal							Yes
0053	LFC FCU	11:20	106.5			HPF	cal							Yes
0054	LFC FCU	11:23	106.5			HPF	cal							Yes
0055	LFC FCU	11:25	106.5			HPF	cal							Yes
0056	LFC Cal	11:28	106.5			HPF	cal							Yes
0057	LFC Cal	11:30	106.5			HPF	cal							Yes
0058	Etalon Cal	11:38	159.8			HPF	cal							Yes
0059	Etalon Cal	11:41	159.8			HPF	cal							Yes
0060	Etalon Cal	11:44	159.8			HPF	cal							Yes
0061	Etalon Cal	11:48	159.8			HPF	cal							Yes
0062	UNe Slave Cal	11:51	426			HPF	cal							Yes
0063	UNe Slave Cal	11:59	426			HPF	cal							Yes
0064	UNe Slave Cal	12:07	426			HPF	cal							Yes
0065	UNe Slave Cal	12:14	426			HPF	cal							Yes
0066	UNe Slave Cal	12:22	426			HPF	cal							Yes
0067	UNe Slave Cal	12:30	426			HPF	cal							Yes
0064	LFC Cal	21:41	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:50	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:51	20			VIRUS	cal							Yes
virus0009901_01	bias	21:53	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:53	20			LRS2	cal							Yes
virus0009902_01	dark	21:55	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:56	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:57	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	21:58	15			LRS2	cal							Yes
0065	Dark	22:03	319.5			HPF	cal							Yes
0066	Quartz FCU	22:09	74.5			HPF	cal							Yes
0067	Quartz FCU	22:11	74.5			HPF	cal							Yes
0068	Quartz FCU	22:13	74.5			HPF	cal							Yes
0069	Quartz FCU	22:15	74.5			HPF	cal							Yes
0070	Quartz FCU	22:16	74.5			HPF	cal							Yes
0071	Quartz FCU	22:18	74.5			HPF	cal							Yes
0072	Quartz FCU	22:20	74.5			HPF	cal							Yes
0073	Alpha Bright Cal	22:22	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	22:24	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	22:26	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0077	LFC FCU	22:31	106.5			HPF	cal							Yes
0078	LFC FCU	22:33	106.5			HPF	cal							Yes
0079	LFC Cal	22:36	106.5			HPF	cal							Yes
0080	LFC Cal	22:38	106.5			HPF	cal							Yes
0081	Etalon Cal	22:41	159.8			HPF	cal							Yes
0082	UNe Slave Cal	22:44	426			HPF	cal							Yes
lrs20000015_01	flat_Qth_R	22:46	15			LRS2	cal							Yes
lrs20000015_02	flat_Qth_R	22:47	15			LRS2	cal							Yes
lrs20000015_03	flat_Qth_R	22:49	15			LRS2	cal							Yes
lrs20000015_04	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000015_05	flat_Qth_R	22:51	15			LRS2	cal							Yes
0083	UNe Slave Cal	22:52	426			HPF	cal							Yes
lrs20000016_01	flat_ldls_long_B	22:52	20			LRS2	cal							Yes
lrs20000016_02	flat_ldls_long_B	22:54	20			LRS2	cal							Yes
lrs20000016_03	flat_ldls_long_B	22:55	20			LRS2	cal							Yes
lrs20000017_01	Cd-A_B	22:56	29			LRS2	cal							Yes
lrs20000017_02	Cd-A_B	22:58	29			LRS2	cal							Yes
lrs20000017_03	Cd-A_B	22:59	29			LRS2	cal							Yes
0084	UNe Slave Cal	23:00	426			HPF	cal							Yes
lrs20000018_01	FeAr_R	23:01	15			LRS2	cal							Yes
lrs20000018_02	FeAr_R	23:02	15			LRS2	cal							Yes
lrs20000018_03	FeAr_R	23:03	15			LRS2	cal							Yes
lrs20000019_01	Hg_R	23:04	20			LRS2	cal							Yes
lrs20000019_02	Hg_R	23:06	20			LRS2	cal							Yes
lrs20000019_03	Hg_R	23:07	20			LRS2	cal							Yes
0085	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000020_01	Hg_B	23:08	15			LRS2	cal							Yes
lrs20000020_02	Hg_B	23:09	15			LRS2	cal							Yes
lrs20000020_03	Hg_B	23:11	15			LRS2	cal							Yes
0086	UNe Slave Cal	23:15	426			HPF	cal							Yes
virus0000019_01	flat_ldls_long	23:17	15			VIRUS	cal							Yes
virus0000019_02	flat_ldls_long	23:19	15			VIRUS	cal							Yes
virus0000019_03	flat_ldls_long	23:20	15			VIRUS	cal							Yes
virus0000020_01	Cd-A	23:21	15			VIRUS	cal							Yes
0087	UNe Slave Cal	23:23	426			HPF	cal							Yes
virus0000020_02	Cd-A	23:23	15			VIRUS	cal							Yes
virus0000020_03	Cd-A	23:24	15			VIRUS	cal							Yes
virus0000021_01	Hg	23:26	15			VIRUS	cal							Yes
virus0000021_02	Hg	23:27	15			VIRUS	cal							Yes
virus0000021_03	Hg	23:28	15			VIRUS	cal							Yes
lrs20000021_01	bias	23:30	0			LRS2	cal							Yes
virus0000022_01	bias	23:30	0			VIRUS	cal							Yes
lrs20000021_02	bias	23:31	0			LRS2	cal							Yes
virus0000022_02	bias	23:31	0			VIRUS	cal							Yes
lrs20000021_03	bias	23:31	0			LRS2	cal							Yes
virus0000022_03	bias	23:32	0			VIRUS	cal							Yes
lrs20000021_04	bias	23:32	0			LRS2	cal							Yes
virus0000022_04	bias	23:32	0			VIRUS	cal							Yes
lrs20000021_05	bias	23:33	0			LRS2	cal							Yes
virus0000022_05	bias	23:33	0			VIRUS	cal							Yes
lrs20000021_06	bias	23:34	0			LRS2	cal							Yes
virus0000022_06	bias	23:34	0			VIRUS	cal							Yes
lrs20000021_07	bias	23:35	0			LRS2	cal							Yes
virus0000022_07	bias	23:35	0			VIRUS	cal							Yes
lrs20000021_08	bias	23:36	0			LRS2	cal							Yes
virus0000022_08	bias	23:36	0			VIRUS	cal							Yes
lrs20000021_09	bias	23:36	0			LRS2	cal							Yes
virus0000022_09	bias	23:37	0			VIRUS	cal							Yes
lrs20000021_10	bias	23:37	0			LRS2	cal							Yes
virus0000022_10	bias	23:38	0			VIRUS	cal							Yes
lrs20000021_11	bias	23:38	0			LRS2	cal							Yes
virus0000022_11	bias	23:39	0			VIRUS	cal							Yes
lrs20000022_01	dark	23:39	360			LRS2	cal							Yes
virus0000023_01	dark	23:39	360			VIRUS	cal							Yes
lrs20000022_02	dark	23:46	360			LRS2	cal							Yes
virus0000023_02	dark	23:46	360			VIRUS	cal							Yes
lrs20000022_03	dark	23:53	360			LRS2	cal							Yes
virus0000023_03	dark	23:53	360			VIRUS	cal							Yes

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