HET Night Report Reader

Civil Date	Ephemerides
2026-07-10	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:09	03:02	03:37	10:25	11:01	11:54	08:49	-
Night Length	6:48		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	Zach Vanderbosch

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:04	24.8	23.0	10:47	twilight	08:43
Total Time Open					8:43

Program	Night Priority	Science
03:37	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:38	02:58					23.0	23.1	22.9	152	4	First of Night
10:40	10:46	0.70	1.14	-210	-587	19.5	20.8	20.9	178	9	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear and calm with poor seeing at EON.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000018_03	FeAr_R	00:00	15			LRS2	cal							Yes
lrs20000019_01	Hg_R	00:01	20			LRS2	cal							Yes
lrs20000019_02	Hg_R	00:03	20			LRS2	cal							Yes
lrs20000019_03	Hg_R	00:04	20			LRS2	cal							Yes
0001	UNe Slave Cal	00:04	426			HPF	cal							Yes
lrs20000020_01	Hg_B	00:05	15			LRS2	cal							Yes
lrs20000020_02	Hg_B	00:06	15			LRS2	cal							Yes
lrs20000020_03	Hg_B	00:08	15			LRS2	cal							Yes
0002	UNe Slave Cal	00:12	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:14	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:15	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:17	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:18	15			VIRUS	cal							Yes
0003	UNe Slave Cal	00:20	426			HPF	cal							Yes
virus0000002_02	Cd-A	00:20	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:21	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:22	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:24	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:25	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:27	0			LRS2	cal							Yes
virus0000004_01	bias	00:27	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:27	0			LRS2	cal							Yes
virus0000004_02	bias	00:27	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:28	0			LRS2	cal							Yes
virus0000004_03	bias	00:28	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:29	0			LRS2	cal							Yes
virus0000004_04	bias	00:29	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:30	0			LRS2	cal							Yes
virus0000004_05	bias	00:30	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:31	0			LRS2	cal							Yes
virus0000004_06	bias	00:31	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:32	0			LRS2	cal							Yes
lrs20000001_08	bias	00:32	0			LRS2	cal							Yes
virus0000004_07	bias	00:32	0			VIRUS	cal							Yes
virus0000004_08	bias	00:33	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:33	0			LRS2	cal							Yes
virus0000004_09	bias	00:34	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:34	0			LRS2	cal							Yes
virus0000004_10	bias	00:34	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:35	0			LRS2	cal							Yes
virus0000004_11	bias	00:35	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:36	360			LRS2	cal							Yes
virus0000005_01	dark	00:36	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:43	360			LRS2	cal							Yes
virus0000005_02	dark	00:43	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:50	360			LRS2	cal							Yes
virus0000005_03	dark	00:50	360			VIRUS	cal							Yes
0004	twilight	02:06	298.2			HPF	cal					445		Yes
lrs20000003_01	skyflat	02:15	7			LRS2	cal							Yes
lrs20000004_01	skyflat	02:16	10			LRS2	cal							Yes
lrs20000005_01	skyflat	02:18	13			LRS2	cal							Yes
lrs20000006_01	skyflat	02:19	16			LRS2	cal							Yes
lrs20000007_01	skyflat	02:20	22			LRS2	cal							Yes
lrs20000008_01	skyflat	02:21	30			LRS2	cal							Yes
virus0000006_01	skyflat	02:25	7			VIRUS	cal							Yes
virus0000007_01	skyflat	02:26	10			VIRUS	cal							Yes
virus0000008_01	skyflat	02:28	14			VIRUS	cal							Yes
virus0000009_01	skyflat	02:29	18			VIRUS	cal							Yes
virus0000010_01	skyflat	02:30	26			VIRUS	cal							Yes
0005	parallel	03:06	617.7	5.7	UT26-2-004	HPF	sci	1.42	1.02	19.51	1.06	110		Yes
virus0000011_01	parallel	03:06	6665.4			VIRUS	sci							Yes
0006	parallel	03:17	617.7	1.7	UT26-2-004	HPF	sci	1.30	1.09	20.16	0.99	125		Yes
0007	parallel	03:28	617.7	0.7	UT26-2-004	HPF	sci	1.34	1.01	20.37	0.93	139		Yes
0008	parallel	03:39	617.7	0.7	UT26-2-004	HPF	sci	1.55	0.97	20.45	0.89	137		Yes
0009	parallel	03:51	617.7	0.7	UT26-2-004	HPF	sci	1.70	1.59	20.47	0.89	141		Yes
0010	parallel	04:02	617.7	0.7	UT26-2-004	HPF	sci	1.77	1.36	20.51	0.89	141		Yes
0011	parallel	04:13	617.7	0.7	UT26-2-004	HPF	sci	1.79	1.32	20.47	0.88	137		Yes
0012	parallel	04:24	617.7	0.7	UT26-2-004	HPF	sci	1.84	1.34	20.50	0.86	129		Yes
0013	parallel	04:35	617.7	0.7	UT26-2-004	HPF	sci	1.92	1.37	20.50	0.80	114		Yes
0014	parallel	04:46	617.7	0.7	UT26-2-004	HPF	sci	1.92	1.40	20.62	0.71	107		Yes
0015	parallel	04:57	617.7	1.7	UT26-2-004	HPF	sci	1.74	1.41	20.67	0.64	107		Yes
virus0000012_01	parallel	05:16	350.4			VIRUS	sci							Yes
0016	parallel	05:17	308.9	8.9	PSU26-2-016	HPF	sci	1.61	1.13	20.11	0.87	272		Yes
lrs20000009_01	parallel	05:27	360			LRS2	sci							Yes
virus0000013_01	parallel	05:27	360	5.0	UT26-2-016	VIRUS	sci	1.83	1.06	22.08	0.77			Yes
0017	LFC Cal	05:28	106.5			HPF	cal							Yes
0018	LFC Cal	05:30	106.5			HPF	cal							Yes
lrs20000009_02	parallel	05:35	360			LRS2	sci							Yes
virus0000013_02	parallel	05:35	360	2.0	UT26-2-016	VIRUS	sci	1.87	1.17	22.04	0.76			Yes
lrs20000009_03	parallel	05:42	360			LRS2	sci							Yes
virus0000013_03	parallel	05:42	360	1.0	UT26-2-016	VIRUS	sci	1.69	1.19	22.02	0.79			Yes
0019	LFC Cal	05:54	106.5			HPF	cal							Yes
lrs20000010_01	parallel	05:54	1000			LRS2	sci							Yes
virus0000014_01	parallel	05:54	1000	5.3	PSU26-2-003	VIRUS	sci	1.74	0.97	22.00	0.81			Yes
0020	LFC Cal	05:56	106.5			HPF	cal							Yes
0021	LFC Cal	05:59	106.5			HPF	cal							Yes
lrs20000010_02	parallel	06:12	1000			LRS2	sci							Yes
virus0000014_02	parallel	06:12	1000	1.3	PSU26-2-003	VIRUS	sci	1.69	0.70	21.91	0.79			Yes
lrs20000010_03	parallel	06:29	1000			LRS2	sci							Yes
virus0000014_03	parallel	06:29	1000	1.3	PSU26-2-003	VIRUS	sci	1.64	0.88	21.94	0.74			Yes
virus0000015_01	parallel	06:57	1000			VIRUS	sci							Yes
0022	parallel	06:58	969.1	3.8	UT26-2-007	HPF	sci	1.42	0.73	20.58	0.95	37		P4
virus0000016_01	WD1657+343_052_W	07:20	120	6.0		VIRUS	spec	1.58	0.72	21.81	0.76			Yes
virus0000016_02	WD1657+343_052_W	07:23	120	1.0		VIRUS	spec	1.64	0.74	21.79	0.74			Yes
virus0000016_03	WD1657+343_052_W	07:26	120	1.0		VIRUS	spec	1.59	0.71	21.78	0.75			Yes
0023	parallel	07:35	969.1	6.8	UT26-2-007	HPF	sci	1.57	0.74	20.57	0.86	36		Yes
virus0000017_01	parallel	07:35	2000			VIRUS	sci							Yes
0024	parallel	07:52	969.1	1.8	UT26-2-007	HPF	sci	1.59	0.85	20.58	0.87	40		Yes
0025	parallel	08:17	969.1	7.8	UT26-2-007	HPF	sci	1.50	0.74	20.63	0.84	31		P4
virus0000018_01	parallel	08:17	1000			VIRUS	sci							Yes
virus0000019_01	parallel	08:41	2000			VIRUS	sci							Yes
0026	parallel	08:42	969.1	8.8	UT26-2-007	HPF	sci	1.38	0.69	20.23	0.92	33		Yes
0027	parallel	08:59	969.1	0.8	UT26-2-007	HPF	sci	1.53	0.73	20.25	0.89	37		Yes
0028	parallel	09:23	969.1	7.8	UT26-2-007	HPF	sci	1.64	1.08	20.11	0.92	38		Yes
virus0000020_01	parallel	09:23	2000			VIRUS	sci							Yes
0029	parallel	09:40	969.1	1.8	UT26-2-007	HPF	sci	1.79	1.62	19.98	0.88	28		Yes
0030	parallel	10:04	969.1	6.8	PSU26-2-015	HPF	sci	1.84	1.73	20.33	0.78	153		Yes
virus0000021_01	parallel	10:04	2000			VIRUS	sci							Yes
0031	parallel	10:21	969.1	0.8	PSU26-2-015	HPF	sci	2.16	2.93	20.35	0.76	142		Yes
0032	LFC Cal	10:39	106.5			HPF	cal							Yes
lrs20000011_01	bias	10:39	0			LRS2	cal							Yes
virus0000022_01	bias	10:40	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	10:44	15		ENG26-2-002	VIRUS	cal							Yes
virus0000024_01	Hg	10:45	15		ENG26-2-002	VIRUS	cal							Yes
0033	Dark	10:53	319.5			HPF	cal							Yes
0034	Quartz FCU	11:04	74.5			HPF	cal							Yes
0035	Quartz FCU	11:06	74.5			HPF	cal							Yes
0036	Quartz FCU	11:08	74.5			HPF	cal							Yes
0037	Quartz FCU	11:10	74.5			HPF	cal							Yes
0038	Quartz FCU	11:11	74.5			HPF	cal							Yes
0039	Quartz FCU	11:13	74.5			HPF	cal							Yes
0040	Quartz FCU	11:15	74.5			HPF	cal							Yes
0041	Alpha Bright Cal	11:17	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	11:19	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	11:21	85.2			HPF	cal							Yes
0044	Alpha Bright Cal	11:23	85.2			HPF	cal							Yes
0045	LFC FCU	11:26	106.5			HPF	cal							Yes
0046	LFC FCU	11:28	106.5			HPF	cal							Yes
0047	LFC FCU	11:30	106.5			HPF	cal							Yes
0048	LFC FCU	11:33	106.5			HPF	cal							Yes
0049	LFC FCU	11:35	106.5			HPF	cal							Yes
0050	LFC FCU	11:37	106.5			HPF	cal							Yes
0051	LFC Cal	11:40	106.5			HPF	cal							Yes
0052	LFC Cal	11:43	106.5			HPF	cal							Yes
0053	Etalon Cal	11:50	159.8			HPF	cal							Yes
0054	Etalon Cal	11:53	159.8			HPF	cal							Yes
0055	Etalon Cal	11:57	159.8			HPF	cal							Yes
0056	Etalon Cal	12:00	159.8			HPF	cal							Yes
0057	UNe Slave Cal	12:03	426			HPF	cal							Yes
0058	UNe Slave Cal	12:11	426			HPF	cal							Yes
0059	UNe Slave Cal	12:19	426			HPF	cal							Yes
0060	UNe Slave Cal	12:27	426			HPF	cal							Yes
0061	UNe Slave Cal	12:35	426			HPF	cal							Yes
0062	UNe Slave Cal	12:42	426			HPF	cal							Yes
0061	LFC Cal	21:50	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:14	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:15	20			VIRUS	cal							Yes
virus0009901_01	bias	22:16	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:17	20			LRS2	cal							Yes
virus0009902_01	dark	22:18	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:19	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:21	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:22	15			LRS2	cal							Yes
0062	Dark	23:00	319.5			HPF	cal							Yes
0063	Quartz FCU	23:06	74.5			HPF	cal							Yes
0064	Quartz FCU	23:08	74.5			HPF	cal							Yes
0065	Quartz FCU	23:10	74.5			HPF	cal							Yes
0066	Quartz FCU	23:11	74.5			HPF	cal							Yes
0067	Quartz FCU	23:13	74.5			HPF	cal							Yes
0068	Quartz FCU	23:15	74.5			HPF	cal							Yes
0069	Quartz FCU	23:17	74.5			HPF	cal							Yes
0070	Alpha Bright Cal	23:19	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	23:21	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	23:23	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	23:25	85.2			HPF	cal							Yes
0074	LFC FCU	23:28	106.5			HPF	cal							Yes
0075	LFC FCU	23:30	106.5			HPF	cal							Yes
0076	LFC Cal	23:33	106.5			HPF	cal							Yes
0077	LFC Cal	23:35	106.5			HPF	cal							Yes
0078	Etalon Cal	23:38	159.8			HPF	cal							Yes
0079	UNe Slave Cal	23:41	426			HPF	cal							Yes
lrs20000015_01	flat_Qth_R	23:43	15			LRS2	cal							Yes
lrs20000015_02	flat_Qth_R	23:44	15			LRS2	cal							Yes
lrs20000015_03	flat_Qth_R	23:46	15			LRS2	cal							Yes
lrs20000015_04	flat_Qth_R	23:47	15			LRS2	cal							Yes
lrs20000015_05	flat_Qth_R	23:48	15			LRS2	cal							Yes
0080	UNe Slave Cal	23:49	426			HPF	cal							Yes
lrs20000016_01	flat_ldls_long_B	23:49	20			LRS2	cal							Yes
lrs20000016_02	flat_ldls_long_B	23:51	20			LRS2	cal							Yes
lrs20000016_03	flat_ldls_long_B	23:52	20			LRS2	cal							Yes
lrs20000017_01	Cd-A_B	23:53	29			LRS2	cal							Yes
lrs20000017_02	Cd-A_B	23:55	29			LRS2	cal							Yes
lrs20000017_03	Cd-A_B	23:56	29			LRS2	cal							Yes
0081	UNe Slave Cal	23:57	426			HPF	cal							Yes
lrs20000018_01	FeAr_R	23:58	15			LRS2	cal							Yes
lrs20000018_02	FeAr_R	23:59	15			LRS2	cal							Yes

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