HET Night Report Reader

Civil Date	Ephemerides
2026-06-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:10	03:03	03:40	10:16	10:53	11:47	-	07:50
Night Length	6:36		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Aiden Dillard	-	-

Overlaps		none

Other Personnel	Amy Westfall

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:13	24.9	24.7	10:46	twilight	08:33
Total Time Open					8:33

Program	Night Priority	Science
03:40	Science
05:19	Idle due to weather (DIQ degradation)
07:08	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	03:11	0.44	0.66	-390	-1605	24.0	24.7	24.7	133	11	First of Night
07:08	07:41	0.49	0.74	-430	+435	22.0	22.4	22.2	189	19	Stack/Re-stack
↪ Comments			Poor dome seeing prolonged stacking
10:35	10:46	0.57	0.86	-490	+811	22.3	21.7	21.6	195	17	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear night with spikes in seeing.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_03	dark	00:04	360			LRS2	cal							Yes
virus0000025_03	dark	00:05	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	02:16	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:17	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:19	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:20	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:21	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	02:29	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:30	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:32	26			VIRUS	cal							Yes
0001	LFC Cal	02:36	106.5			HPF	cal							Yes
0002	LFC Cal	02:38	106.5			HPF	cal							Yes
0003	LFC Cal	02:40	106.5			HPF	cal							Yes
0004	HR6203_tell_std	03:18	330.2	6.5		HPF	telluric	1.55	1.12	19.32	0.92			Yes
0005	QID 716	03:30	308.9	6.9	UT26-2-004	HPF	sci	1.28	1.04	19.07	0.93	315		P4
virus0000006_01	parallel	03:30	1051			VIRUS	sci							Yes
0006	QID 716	03:36	308.9	0.9	UT26-2-004	HPF	sci	1.30	1.06	19.10	0.93	338		P4
0007	QID 716	03:42	308.9	0.9	UT26-2-004	HPF	sci	1.41	1.32	19.10	0.93	346		P4
virus0000007_01	parallel	03:51	2000			VIRUS	sci							Yes
0008	QID 675	03:52	969.1	4.8	UT26-2-007	HPF	sci	1.60	1.18	18.17	0.86	24		Yes
0009	QID 675	04:09	969.1	0.8	UT26-2-007	HPF	sci	1.59	1.01	18.10	0.82	23		Yes
0010	QID 947	04:35	596.4	10.1	UT26-2-009	HPF	sci	1.52	1.01	19.24	0.85	101		Yes
virus0000008_01	parallel	04:35	1275.8			VIRUS	sci							Yes
0011	QID 947	04:46	596.4	1.1	UT26-2-009	HPF	sci	1.46	0.92	19.24	0.86	99		Yes
virus0000009_01	parallel	05:02	1000			VIRUS	sci							Yes
0012	QID 98	05:03	969.1	6.8	UT26-2-019	HPF	sci	1.51	1.13	19.20	0.86	411		Yes
0013	LFC Cal	05:21	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:25	6947			VIRUS	sci							Yes
0014	LFC Cal	05:26	106.5			HPF	cal							Yes
lrs20000007_01	QID 543	05:26	6947	-6.8	UT26-2-013	LRS2-B	sci	1.91	1.11	20.22	0.81		DIQ degradation.	No
0015	LFC Cal	05:28	106.5			HPF	cal							Yes
0016	LFC Cal	05:30	106.5			HPF	cal							Yes
virus0000011_01	parallel	07:46	1500			VIRUS	sci							Yes
0017	LFC Cal	07:47	106.5			HPF	cal							Yes
lrs20000008_01	QID 642	07:47	1500	6.0	PSU26-2-004	LRS2-B	sci	1.77	0.98	21.69	0.79			Yes
0018	LFC Cal	07:49	106.5			HPF	cal							Yes
0019	LFC Cal	07:51	106.5			HPF	cal							Yes
virus0000012_01	parallel	08:17	1000			VIRUS	sci							Yes
0020	QID 116	08:18	969.1	5.8	UT26-2-019	HPF	sci	1.62	1.21	20.41	0.98	420		P4
0021	LFC Cal	08:36	106.5			HPF	cal							Yes
lrs20000009_01	BD+174708_056_E	08:41	30	7.5		LRS2	spec	1.80	1.39	21.71	0.93			Yes
lrs20000010_01	BD+174708_066_E	08:44	30	2.5		LRS2	spec	2.01	1.54	20.76	1.15			Yes
0022	QID 977	08:49	969.1	4.8	UT26-2-007	HPF	sci	1.51	1.31	20.27	0.94	38		Yes
virus0000013_01	parallel	08:49	2000			VIRUS	sci							Yes
0023	QID 977	09:07	969.1	0.8	UT26-2-007	HPF	sci	1.63	1.11	20.29	0.96	35		Yes
0024	QID 813	09:30	330.2	6.5	PSU26-2-015	HPF	sci	1.76	1.39	20.38	0.59	215		Yes
virus0000014_01	parallel	09:30	2229.9			VIRUS	sci							Yes
0025	QID 813	09:36	330.2	1.5	PSU26-2-015	HPF	sci	1.97	1.33	20.39	0.81	226		Yes
0026	QID 813	09:42	330.2	0.5	PSU26-2-015	HPF	sci	1.71	1.48	20.41	0.84	291		Yes
0027	QID 813	09:48	330.2	0.5	PSU26-2-015	HPF	sci	1.68	1.34	20.39	0.85	282		Yes
0028	QID 813	09:54	330.2	0.5	PSU26-2-015	HPF	sci	1.61	1.36	20.31	0.86	281		Yes
0029	QID 813	10:01	330.2	0.5	PSU26-2-015	HPF	sci	1.61	1.10	20.26	0.88	275		Yes
0030	LFC Cal	10:07	106.5			HPF	cal							Yes
0031	LFC Cal	10:15	106.5			HPF	cal							Yes
virus0000015_01	parallel	10:15	1200			VIRUS	sci							Yes
lrs20000011_01	QID 650	10:15	1200	9.0	PSU26-2-004	LRS2-B	sci	2.14	2.29	21.38	0.82			Yes
0032	LFC Cal	10:17	106.5			HPF	cal							Yes
0033	LFC Cal	10:20	106.5			HPF	cal							Yes
lrs20000012_01	bias	10:38	0			LRS2	cal							Yes
virus0000016_01	bias	10:39	0			VIRUS	cal							Yes
virus0000017_01	Cd-A	10:43	15		ENG26-2-002	VIRUS	cal							Yes
virus0000018_01	Hg	10:44	15		ENG26-2-002	VIRUS	cal							Yes
0034	Dark	10:52	319.5			HPF	cal							Yes
0035	Quartz FCU	11:03	74.5			HPF	cal							Yes
0036	Quartz FCU	11:05	74.5			HPF	cal							Yes
0037	Quartz FCU	11:07	74.5			HPF	cal							Yes
0038	Quartz FCU	11:09	74.5			HPF	cal							Yes
0039	Quartz FCU	11:10	74.5			HPF	cal							Yes
0040	Quartz FCU	11:12	74.5			HPF	cal							Yes
0041	Quartz FCU	11:14	74.5			HPF	cal							Yes
0042	Alpha Bright Cal	11:16	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	11:18	85.2			HPF	cal							Yes
0044	Alpha Bright Cal	11:20	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	11:22	85.2			HPF	cal							Yes
0046	LFC FCU	11:25	106.5			HPF	cal							Yes
0047	LFC FCU	11:27	106.5			HPF	cal							Yes
0048	LFC FCU	11:29	106.5			HPF	cal							Yes
0049	LFC FCU	11:32	106.5			HPF	cal							Yes
0050	LFC FCU	11:34	106.5			HPF	cal							Yes
0051	LFC FCU	11:36	106.5			HPF	cal							Yes
0052	LFC Cal	11:39	106.5			HPF	cal							Yes
0053	LFC Cal	11:42	106.5			HPF	cal							Yes
0054	Etalon Cal	11:49	159.8			HPF	cal							Yes
0055	Etalon Cal	11:52	159.8			HPF	cal							Yes
0056	Etalon Cal	11:56	159.8			HPF	cal							Yes
0057	Etalon Cal	11:59	159.8			HPF	cal							Yes
0058	UNe Slave Cal	12:03	426			HPF	cal							Yes
0059	UNe Slave Cal	12:10	426			HPF	cal							Yes
0060	UNe Slave Cal	12:18	426			HPF	cal							Yes
0061	UNe Slave Cal	12:26	426			HPF	cal							Yes
0062	UNe Slave Cal	12:34	426			HPF	cal							Yes
0063	UNe Slave Cal	12:41	426			HPF	cal							Yes
0120	LFC Cal	21:48	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:52	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:53	20			VIRUS	cal							Yes
virus0009901_01	bias	21:54	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:55	20			LRS2	cal							Yes
virus0009902_01	dark	21:56	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:57	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:59	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:00	15			LRS2	cal							Yes
0121	Dark	22:14	319.5			HPF	cal							Yes
0122	Quartz FCU	22:21	74.5			HPF	cal							Yes
0123	Quartz FCU	22:23	74.5			HPF	cal							Yes
0124	Quartz FCU	22:24	74.5			HPF	cal							Yes
0125	Quartz FCU	22:26	74.5			HPF	cal							Yes
0126	Quartz FCU	22:28	74.5			HPF	cal							Yes
0127	Quartz FCU	22:30	74.5			HPF	cal							Yes
0128	Quartz FCU	22:31	74.5			HPF	cal							Yes
0129	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0130	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0131	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0132	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0133	LFC FCU	22:42	106.5			HPF	cal							Yes
0134	LFC FCU	22:45	106.5			HPF	cal							Yes
0135	LFC Cal	22:47	106.5			HPF	cal							Yes
0136	LFC Cal	22:50	106.5			HPF	cal							Yes
0137	Etalon Cal	22:52	159.8			HPF	cal							Yes
0138	UNe Slave Cal	22:56	426			HPF	cal							Yes
lrs20000013_01	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000013_02	flat_Qth_R	22:58	15			LRS2	cal							Yes
lrs20000013_03	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000013_04	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000013_05	flat_Qth_R	23:02	15			LRS2	cal							Yes
lrs20000014_01	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
0139	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000014_02	flat_ldls_long_B	23:05	20			LRS2	cal							Yes
lrs20000014_03	flat_ldls_long_B	23:06	20			LRS2	cal							Yes
lrs20000015_01	Cd-A_B	23:07	29			LRS2	cal							Yes
lrs20000015_02	Cd-A_B	23:09	29			LRS2	cal							Yes
lrs20000015_03	Cd-A_B	23:10	29			LRS2	cal							Yes
0140	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000016_01	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000016_02	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000016_03	FeAr_R	23:14	15			LRS2	cal							Yes
lrs20000017_01	Hg_R	23:15	20			LRS2	cal							Yes
lrs20000017_02	Hg_R	23:17	20			LRS2	cal							Yes
lrs20000017_03	Hg_R	23:18	20			LRS2	cal							Yes
lrs20000018_01	Hg_B	23:19	15			LRS2	cal							Yes
0141	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000018_02	Hg_B	23:21	15			LRS2	cal							Yes
lrs20000018_03	Hg_B	23:22	15			LRS2	cal							Yes
0142	UNe Slave Cal	23:27	426			HPF	cal							Yes
virus0000021_01	flat_ldls_long	23:28	15			VIRUS	cal							Yes
virus0000021_02	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000021_03	flat_ldls_long	23:31	15			VIRUS	cal							Yes
virus0000022_01	Cd-A	23:33	15			VIRUS	cal							Yes
virus0000022_02	Cd-A	23:34	15			VIRUS	cal							Yes
0143	UNe Slave Cal	23:35	426			HPF	cal							Yes
virus0000022_03	Cd-A	23:36	15			VIRUS	cal							Yes
virus0000023_01	Hg	23:37	15			VIRUS	cal							Yes
virus0000023_02	Hg	23:38	15			VIRUS	cal							Yes
virus0000023_03	Hg	23:40	15			VIRUS	cal							Yes
lrs20000019_01	bias	23:41	0			LRS2	cal							Yes
virus0000024_01	bias	23:41	0			VIRUS	cal							Yes
lrs20000019_02	bias	23:42	0			LRS2	cal							Yes
virus0000024_02	bias	23:42	0			VIRUS	cal							Yes
lrs20000019_03	bias	23:43	0			LRS2	cal							Yes
virus0000024_03	bias	23:43	0			VIRUS	cal							Yes
lrs20000019_04	bias	23:44	0			LRS2	cal							Yes
lrs20000019_05	bias	23:44	0			LRS2	cal							Yes
virus0000024_04	bias	23:44	0			VIRUS	cal							Yes
virus0000024_05	bias	23:45	0			VIRUS	cal							Yes
lrs20000019_06	bias	23:45	0			LRS2	cal							Yes
virus0000024_06	bias	23:46	0			VIRUS	cal							Yes
lrs20000019_07	bias	23:46	0			LRS2	cal							Yes
virus0000024_07	bias	23:47	0			VIRUS	cal							Yes
lrs20000019_08	bias	23:47	0			LRS2	cal							Yes
virus0000024_08	bias	23:47	0			VIRUS	cal							Yes
lrs20000019_09	bias	23:48	0			LRS2	cal							Yes
virus0000024_09	bias	23:48	0			VIRUS	cal							Yes
lrs20000019_10	bias	23:49	0			LRS2	cal							Yes
virus0000024_10	bias	23:49	0			VIRUS	cal							Yes
lrs20000019_11	bias	23:50	0			LRS2	cal							Yes
virus0000024_11	bias	23:50	0			VIRUS	cal							Yes
lrs20000020_01	dark	23:51	360			LRS2	cal							Yes
virus0000025_01	dark	23:51	360			VIRUS	cal							Yes
lrs20000020_02	dark	23:57	360			LRS2	cal							Yes
virus0000025_02	dark	23:58	360			VIRUS	cal							Yes

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