HET Night Report Reader

Civil Date	Ephemerides
2026-06-11	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:07	03:00	03:36	10:15	10:51	11:45	09:22	-
Night Length	6:39		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
-	Tyler Ryburn

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:00	24.2	21.8	04:58	clouds	02:58
06:01	21.0	21.7		--	n/a
Total Time Open					2:58

Program	Night Priority	Science
03:36	Science
04:30	Idle due to weather (clouds)
06:04	Science
07:22	Idle due to weather (clouds)
08:14	Science
08:47	Idle due to weather (clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:38	03:10					24.5	21.6	21.6	157	7	First of Night
10:04	10:10	0.52	0.82	-410	+1011	20.5	20.7	20.8	186	10	Post-Observing

Problem Reports					no PRs

Ops Comments	none

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
lrs20000017_07	bias	00:00	0			LRS2	cal							Yes
virus0000015_07	bias	00:00	0			VIRUS	cal							Yes
lrs20000017_08	bias	00:00	0			LRS2	cal							Yes
virus0000015_08	bias	00:01	0			VIRUS	cal							Yes
lrs20000017_09	bias	00:01	0			LRS2	cal							Yes
virus0000015_09	bias	00:02	0			VIRUS	cal							Yes
lrs20000017_10	bias	00:02	0			LRS2	cal							Yes
virus0000015_10	bias	00:02	0			VIRUS	cal							Yes
lrs20000017_11	bias	00:03	0			LRS2	cal							Yes
virus0000015_11	bias	00:03	0			VIRUS	cal							Yes
lrs20000018_01	dark	00:04	360			LRS2	cal							Yes
virus0000016_01	dark	00:04	360			VIRUS	cal							Yes
lrs20000018_02	dark	00:11	360			LRS2	cal							Yes
virus0000016_02	dark	00:11	360			VIRUS	cal							Yes
lrs20000018_03	dark	00:18	360			LRS2	cal							Yes
virus0000016_03	dark	00:18	360			VIRUS	cal							Yes
0001	twilight	02:04	298.2			HPF	cal					519		Yes
lrs20000001_01	skyflat	02:14	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:15	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:16	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:17	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:18	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:20	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:22	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:24	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:25	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:26	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:28	26			VIRUS	cal							Yes
0002	LFC Cal	02:50	106.5			HPF	cal							Yes
0003	LFC Cal	02:52	106.5			HPF	cal							Yes
0004	LFC Cal	02:55	106.5			HPF	cal							Yes
lrs20000007_01	FEIGE34_056_W	03:17	60	5.0		LRS2	spec	1.81		21.02	0.89			Yes
lrs20000008_01	FEIGE34_066_W	03:21	60	3.0		LRS2	spec	1.60		20.53	0.84			Yes
0005	HR4203_tell_std	03:28	117.2	6.0		HPF	telluric	1.73		19.81	0.16			Yes
0006	LFC Cal	03:36	106.5			HPF	cal							Yes
virus0000006_01	parallel	03:36	2700			VIRUS	sci							Yes
lrs20000009_01	QID 1002	03:36	2700	6.0	UT26-2-003	LRS2-R	sci	1.51		20.72	0.71		exp. extended due to variable cloud cover	Yes
0007	LFC Cal	03:39	106.5			HPF	cal							Yes
0008	LFC Cal	03:41	106.5			HPF	cal							Yes
0009	HR5863_tell_std	04:28	117.2	7.0		HPF	telluric	1.66		20.15	0.75			Yes
none	QID 1003	04:38	0	15.0	UT26-2-002	LRS2-B	sci						clouds	No
0010	LFC Cal	04:49	106.5			HPF	cal							Yes
0011	LFC Cal	04:51	106.5			HPF	cal							Yes
0012	LFC Cal	04:54	106.5			HPF	cal							Yes
0013	LFC Cal	06:09	106.5			HPF	cal							Yes
lrs20000010_01	QID 333	06:09	180	5.0	UT26-2-017	LRS2-B	sci	1.64		22.12	0.74			P4
virus0000007_01	parallel	06:16	360			VIRUS	sci							Yes
0014	LFC Cal	06:17	106.5			HPF	cal							Yes
lrs20000011_01	QID 334	06:17	360	5.0	UT26-2-017	LRS2-R	sci	1.74		20.98	0.97			P4
0015	LFC Cal	06:19	106.5			HPF	cal							Yes
0016	LFC Cal	06:30	106.5			HPF	cal							Yes
virus0000008_01	parallel	06:30	3100			VIRUS	sci							Yes
lrs20000012_01	QID 1004	06:30	3100	7.3	UT26-2-002	LRS2-B	sci	1.63	1.29	21.76	0.40			Yes
0017	LFC Cal	06:33	106.5			HPF	cal							Yes
0018	LFC Cal	06:35	106.5			HPF	cal							Yes
0019	LFC Cal	08:17	106.5			HPF	cal							Yes
virus0000009_01	parallel	08:17	360			VIRUS	sci							Yes
lrs20000013_01	QID 352	08:17	360	3.0	UT26-2-017	LRS2-R	sci	1.95	1.51	21.65	0.64		wrong target and data	No
0020	LFC Cal	08:19	106.5			HPF	cal							Yes
virus0000010_01	parallel	08:33	360			VIRUS	sci							Yes
lrs20000014_01	QID 352	08:33	360	10.0	UT26-2-017	LRS2-R	sci	1.66	1.30	20.69				P4
0021	LFC Cal	08:34	106.5			HPF	cal							Yes
0022	LFC Cal	08:36	106.5			HPF	cal							Yes
0023	LFC Cal	08:44	106.5			HPF	cal							Yes
lrs20000015_01	QID 351	08:44	180	5.0	UT26-2-017	LRS2-B	sci	1.80	1.41	21.19	1.07			P4
0024	LFC Cal	08:58	106.5			HPF	cal							Yes
virus0000011_01	parallel	08:58	2800			VIRUS	sci							Yes
lrs20000016_01	QID 826	08:58	2000	-1.3	PSU26-2-011	LRS2-B	sci	1.79	1.77	21.63	0.22		aborted - clouds	No
0025	LFC Cal	09:01	106.5			HPF	cal							Yes
0026	LFC Cal	09:03	106.5			HPF	cal							Yes
lrs20000017_01	bias	10:02	0			LRS2	cal							Yes
virus0000012_01	bias	10:03	0			VIRUS	cal							Yes
virus0000013_01	Cd-A	10:07	15		ENG26-2-002	VIRUS	cal							Yes
virus0000014_01	Hg	10:09	15		ENG26-2-002	VIRUS	cal							Yes
0027	Dark	10:15	319.5			HPF	cal							Yes
0028	Quartz FCU	10:27	74.5			HPF	cal							Yes
0029	Quartz FCU	10:29	74.5			HPF	cal							Yes
0030	Quartz FCU	10:30	74.5			HPF	cal							Yes
0031	Quartz FCU	10:32	74.5			HPF	cal							Yes
0032	Quartz FCU	10:34	74.5			HPF	cal							Yes
0033	Quartz FCU	10:36	74.5			HPF	cal							Yes
0034	Quartz FCU	10:38	74.5			HPF	cal							Yes
0035	Alpha Bright Cal	10:40	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	10:42	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	10:44	85.2			HPF	cal							Yes
0038	Alpha Bright Cal	10:46	85.2			HPF	cal							Yes
0039	LFC FCU	10:48	106.5			HPF	cal							Yes
0040	LFC FCU	10:51	106.5			HPF	cal							Yes
0041	LFC FCU	10:53	106.5			HPF	cal							Yes
0042	LFC FCU	10:55	106.5			HPF	cal							Yes
0043	LFC FCU	10:58	106.5			HPF	cal							Yes
0044	LFC FCU	11:00	106.5			HPF	cal							Yes
0045	LFC Cal	11:03	106.5			HPF	cal							Yes
0046	LFC Cal	11:05	106.5			HPF	cal							Yes
0047	Etalon Cal	11:13	159.8			HPF	cal							Yes
0048	Etalon Cal	11:16	159.8			HPF	cal							Yes
0049	Etalon Cal	11:19	159.8			HPF	cal							Yes
0050	Etalon Cal	11:23	159.8			HPF	cal							Yes
0051	UNe Slave Cal	11:26	426			HPF	cal							Yes
0052	UNe Slave Cal	11:34	426			HPF	cal							Yes
0053	UNe Slave Cal	11:42	426			HPF	cal							Yes
0054	UNe Slave Cal	11:50	426			HPF	cal							Yes
0055	UNe Slave Cal	11:57	426			HPF	cal							Yes
0056	UNe Slave Cal	12:05	426			HPF	cal							Yes
0053	LFC Cal	21:51	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:03	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:03	20			VIRUS	cal							Yes
virus0009901_01	bias	22:05	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:05	20			LRS2	cal							Yes
virus0009902_01	dark	22:07	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:08	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:09	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:11	15			LRS2	cal							Yes
0054	Dark	22:28	319.5			HPF	cal							Yes
0055	Quartz FCU	22:35	74.5			HPF	cal							Yes
0056	Quartz FCU	22:37	74.5			HPF	cal							Yes
0057	Quartz FCU	22:38	74.5			HPF	cal							Yes
0058	Quartz FCU	22:40	74.5			HPF	cal							Yes
0059	Quartz FCU	22:42	74.5			HPF	cal							Yes
0060	Quartz FCU	22:44	74.5			HPF	cal							Yes
0061	Quartz FCU	22:45	74.5			HPF	cal							Yes
0062	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0063	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	22:54	85.2			HPF	cal							Yes
0066	LFC FCU	22:56	106.5			HPF	cal							Yes
0067	LFC FCU	22:59	106.5			HPF	cal							Yes
0068	LFC Cal	23:01	106.5			HPF	cal							Yes
0069	LFC Cal	23:04	106.5			HPF	cal							Yes
0070	Etalon Cal	23:06	159.8			HPF	cal							Yes
0071	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000011_01	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000011_02	flat_Qth_R	23:12	15			LRS2	cal							Yes
lrs20000011_03	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000011_04	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000011_05	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000012_01	flat_ldls_long_B	23:17	20			LRS2	cal							Yes
0072	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000012_02	flat_ldls_long_B	23:19	20			LRS2	cal							Yes
lrs20000012_03	flat_ldls_long_B	23:20	20			LRS2	cal							Yes
lrs20000013_01	Cd-A_B	23:21	29			LRS2	cal							Yes
lrs20000013_02	Cd-A_B	23:23	29			LRS2	cal							Yes
lrs20000013_03	Cd-A_B	23:24	29			LRS2	cal							Yes
0073	UNe Slave Cal	23:26	426			HPF	cal							Yes
lrs20000014_01	FeAr_R	23:26	15			LRS2	cal							Yes
lrs20000014_02	FeAr_R	23:27	15			LRS2	cal							Yes
lrs20000014_03	FeAr_R	23:28	15			LRS2	cal							Yes
lrs20000015_01	Hg_R	23:29	20			LRS2	cal							Yes
lrs20000015_02	Hg_R	23:31	20			LRS2	cal							Yes
lrs20000015_03	Hg_R	23:32	20			LRS2	cal							Yes
0074	UNe Slave Cal	23:33	426			HPF	cal							Yes
lrs20000016_01	Hg_B	23:33	15			LRS2	cal							Yes
lrs20000016_02	Hg_B	23:34	15			LRS2	cal							Yes
lrs20000016_03	Hg_B	23:36	15			LRS2	cal							Yes
0075	UNe Slave Cal	23:41	426			HPF	cal							Yes
virus0000012_01	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000012_02	flat_ldls_long	23:43	15			VIRUS	cal							Yes
virus0000012_03	flat_ldls_long	23:45	15			VIRUS	cal							Yes
virus0000013_01	Cd-A	23:46	15			VIRUS	cal							Yes
virus0000013_02	Cd-A	23:48	15			VIRUS	cal							Yes
0076	UNe Slave Cal	23:49	426			HPF	cal							Yes
virus0000013_03	Cd-A	23:49	15			VIRUS	cal							Yes
virus0000014_01	Hg	23:50	15			VIRUS	cal							Yes
virus0000014_02	Hg	23:52	15			VIRUS	cal							Yes
virus0000014_03	Hg	23:53	15			VIRUS	cal							Yes
lrs20000017_01	bias	23:55	0			LRS2	cal							Yes
virus0000015_01	bias	23:55	0			VIRUS	cal							Yes
lrs20000017_02	bias	23:55	0			LRS2	cal							Yes
virus0000015_02	bias	23:56	0			VIRUS	cal							Yes
lrs20000017_03	bias	23:56	0			LRS2	cal							Yes
virus0000015_03	bias	23:56	0			VIRUS	cal							Yes
lrs20000017_04	bias	23:57	0			LRS2	cal							Yes
virus0000015_04	bias	23:57	0			VIRUS	cal							Yes
lrs20000017_05	bias	23:58	0			LRS2	cal							Yes
virus0000015_05	bias	23:58	0			VIRUS	cal							Yes
lrs20000017_06	bias	23:59	0			LRS2	cal							Yes
virus0000015_06	bias	23:59	0			VIRUS	cal							Yes

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