HET Night Report Reader

Civil Date	Ephemerides
2026-06-04	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:03	02:56	03:32	10:16	10:52	11:46	05:40	-
Night Length	6:44		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Aiden Dillard	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:58	18.6	17.7	03:24	radar	01:26
Total Time Open					1:26

Program	Night Priority	Science
03:32	Idle due to weather (heavy overcast)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:33	03:04	0.39	0.63	-395	+862	17.8	17.7	17.7	171	9	First of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Cloudy with frequent radar signature in county.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	bias	00:00	0			LRS2	cal							Yes
virus0000001_01	bias	00:00	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:01	0			LRS2	cal							Yes
virus0000001_02	bias	00:01	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:01	0			LRS2	cal							Yes
virus0000001_03	bias	00:02	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:02	0			LRS2	cal							Yes
virus0000001_04	bias	00:03	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:03	0			LRS2	cal							Yes
virus0000001_05	bias	00:03	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:04	0			LRS2	cal							Yes
virus0000001_06	bias	00:04	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:05	0			LRS2	cal							Yes
virus0000001_07	bias	00:05	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:06	0			LRS2	cal							Yes
virus0000001_08	bias	00:06	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:07	0			LRS2	cal							Yes
virus0000001_09	bias	00:07	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:08	0			LRS2	cal							Yes
virus0000001_10	bias	00:08	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:08	0			LRS2	cal							Yes
virus0000001_11	bias	00:09	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:09	360			LRS2	cal							Yes
virus0000002_01	dark	00:10	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:16	360			LRS2	cal							Yes
virus0000002_02	dark	00:16	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:23	360			LRS2	cal							Yes
virus0000002_03	dark	00:23	360			VIRUS	cal							Yes
lrs20000003_01	skyflat	02:09	7			LRS2	cal							Yes
lrs20000004_01	skyflat	02:10	10			LRS2	cal							Yes
lrs20000005_01	skyflat	02:11	13			LRS2	cal							Yes
lrs20000006_01	skyflat	02:13	16			LRS2	cal							Yes
lrs20000007_01	skyflat	02:14	22			LRS2	cal							Yes
lrs20000008_01	skyflat	02:15	30			LRS2	cal							Yes
virus0000003_01	skyflat	02:18	7			VIRUS	cal							Yes
virus0000004_01	skyflat	02:20	10			VIRUS	cal							Yes
virus0000005_01	skyflat	02:21	14			VIRUS	cal							Yes
virus0000006_01	skyflat	02:23	18			VIRUS	cal							Yes
virus0000007_01	skyflat	02:24	26			VIRUS	cal							Yes
0001	LFC Cal	02:31	106.5			HPF	cal							Yes
0002	LFC Cal	02:33	106.5			HPF	cal							Yes
0003	LFC Cal	02:36	106.5			HPF	cal							Yes
virus0000008_01	dark	03:25	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_02	dark	03:32	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_03	dark	03:39	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_04	dark	03:46	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_05	dark	03:52	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_06	dark	03:59	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_07	dark	04:06	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_08	dark	04:13	360		ENG26-2-004	VIRUS	cal							Yes
0004	LFC Cal	04:15	106.5			HPF	cal							Yes
0005	LFC Cal	04:17	106.5			HPF	cal							Yes
0006	LFC Cal	04:19	106.5			HPF	cal							Yes
virus0000008_09	dark	04:20	360		ENG26-2-004	VIRUS	cal							Yes
virus0000008_10	dark	04:27	360		ENG26-2-004	VIRUS	cal							Yes
0007	LFC Cal	05:26	106.5			HPF	cal							Yes
0008	LFC Cal	05:28	106.5			HPF	cal							Yes
0009	LFC Cal	05:31	106.5			HPF	cal							Yes
0010	LFC Cal	08:24	106.5			HPF	cal							Yes
0011	LFC Cal	08:27	106.5			HPF	cal							Yes
0012	LFC Cal	08:29	106.5			HPF	cal							Yes
lrs20000009_01	bias	09:55	0			LRS2	cal							Yes
virus0000009_01	bias	09:56	0			VIRUS	cal							Yes
virus0000010_01	Cd-A	10:00	15		ENG26-2-002	VIRUS	cal							Yes
virus0000011_01	Hg	10:02	15		ENG26-2-002	VIRUS	cal							Yes
0013	Dark	10:08	319.5			HPF	cal							Yes
0014	Quartz FCU	10:20	74.5			HPF	cal							Yes
0015	Quartz FCU	10:22	74.5			HPF	cal							Yes
0016	Quartz FCU	10:24	74.5			HPF	cal							Yes
0017	Quartz FCU	10:25	74.5			HPF	cal							Yes
0018	Quartz FCU	10:27	74.5			HPF	cal							Yes
0019	Quartz FCU	10:29	74.5			HPF	cal							Yes
0020	Quartz FCU	10:31	74.5			HPF	cal							Yes
0021	Alpha Bright Cal	10:33	85.2			HPF	cal							Yes
0022	Alpha Bright Cal	10:35	85.2			HPF	cal							Yes
0023	Alpha Bright Cal	10:37	85.2			HPF	cal							Yes
0024	Alpha Bright Cal	10:39	85.2			HPF	cal							Yes
0025	LFC FCU	10:42	106.5			HPF	cal							Yes
0026	LFC FCU	10:44	106.5			HPF	cal							Yes
0027	LFC FCU	10:46	106.5			HPF	cal							Yes
0028	LFC FCU	10:48	106.5			HPF	cal							Yes
0029	LFC FCU	10:51	106.5			HPF	cal							Yes
0030	LFC FCU	10:53	106.5			HPF	cal							Yes
0031	LFC Cal	10:56	106.5			HPF	cal							Yes
0032	LFC Cal	10:58	106.5			HPF	cal							Yes
0033	Etalon Cal	11:06	159.8			HPF	cal							Yes
0034	Etalon Cal	11:09	159.8			HPF	cal							Yes
0035	Etalon Cal	11:12	159.8			HPF	cal							Yes
0036	Etalon Cal	11:16	159.8			HPF	cal							Yes
0037	UNe Slave Cal	11:19	426			HPF	cal							Yes
0038	UNe Slave Cal	11:27	426			HPF	cal							Yes
0039	UNe Slave Cal	11:35	426			HPF	cal							Yes
0040	UNe Slave Cal	11:43	426			HPF	cal							Yes
0041	UNe Slave Cal	11:50	426			HPF	cal							Yes
0042	UNe Slave Cal	11:58	426			HPF	cal							Yes
virus0008100_01	dark	19:59	20			VIRUS	cal							Yes
virus0008100_02	dark	20:00	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	20:04	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	20:05	15			VIRUS	cal							Yes
virus0008102_01	bias	20:07	0			VIRUS	cal							Yes
virus0008102_02	bias	20:08	0			VIRUS	cal							Yes
virus0008103_01	dark	20:58	20			VIRUS	cal							Yes
virus0008103_02	dark	20:59	20			VIRUS	cal							Yes
virus0008104_01	flat_ldls_long	21:03	15			VIRUS	cal							Yes
virus0008104_02	flat_ldls_long	21:04	15			VIRUS	cal							Yes
virus0008105_01	bias	21:06	0			VIRUS	cal							Yes
virus0008105_02	bias	21:07	0			VIRUS	cal							Yes
0066	LFC Cal	21:56	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:04	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:05	20			VIRUS	cal							Yes
virus0009901_01	bias	22:06	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:07	20			LRS2	cal							Yes
virus0009902_01	dark	22:08	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:09	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:11	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:12	15			LRS2	cal							Yes
0067	Dark	22:19	319.5			HPF	cal						lights were on in the GTAG	Yes
0068	Quartz FCU	22:26	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	22:29	85.2			HPF	cal							Yes
0070	Dark	22:32	319.5			HPF	cal							Yes
0071	Quartz FCU	22:39	74.5			HPF	cal							Yes
0072	Quartz FCU	22:40	74.5			HPF	cal							Yes
0073	Quartz FCU	22:42	74.5			HPF	cal							Yes
0074	Quartz FCU	22:44	74.5			HPF	cal							Yes
0075	Quartz FCU	22:46	74.5			HPF	cal							Yes
0076	Quartz FCU	22:47	74.5			HPF	cal							Yes
0077	Quartz FCU	22:49	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	22:53	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0082	LFC FCU	23:00	106.5			HPF	cal							Yes
0083	LFC FCU	23:03	106.5			HPF	cal							Yes
0084	LFC Cal	23:05	106.5			HPF	cal							Yes
0085	LFC Cal	23:08	106.5			HPF	cal							Yes
0086	Etalon Cal	23:10	159.8			HPF	cal							Yes
0087	UNe Slave Cal	23:14	426			HPF	cal							Yes
lrs20000010_01	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000010_02	flat_Qth_R	23:17	15			LRS2	cal							Yes
lrs20000010_03	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000010_04	flat_Qth_R	23:20	15			LRS2	cal							Yes
lrs20000010_05	flat_Qth_R	23:21	15			LRS2	cal							Yes
0088	UNe Slave Cal	23:22	426			HPF	cal							Yes
lrs20000011_01	flat_ldls_long_B	23:22	20			LRS2	cal							Yes
lrs20000011_02	flat_ldls_long_B	23:24	20			LRS2	cal							Yes
lrs20000011_03	flat_ldls_long_B	23:25	20			LRS2	cal							Yes
lrs20000012_01	Cd-A_B	23:26	29			LRS2	cal							Yes
lrs20000012_02	Cd-A_B	23:28	29			LRS2	cal							Yes
0089	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000012_03	Cd-A_B	23:29	29			LRS2	cal							Yes
lrs20000013_01	FeAr_R	23:31	15			LRS2	cal							Yes
lrs20000013_02	FeAr_R	23:32	15			LRS2	cal							Yes
lrs20000013_03	FeAr_R	23:33	15			LRS2	cal							Yes
lrs20000014_01	Hg_R	23:34	20			LRS2	cal							Yes
lrs20000014_02	Hg_R	23:36	20			LRS2	cal							Yes
0090	UNe Slave Cal	23:37	426			HPF	cal							Yes
lrs20000014_03	Hg_R	23:37	20			LRS2	cal							Yes
lrs20000015_01	Hg_B	23:38	15			LRS2	cal							Yes
lrs20000015_02	Hg_B	23:40	15			LRS2	cal							Yes
lrs20000015_03	Hg_B	23:41	15			LRS2	cal							Yes
0091	UNe Slave Cal	23:45	426			HPF	cal							Yes
virus0000010_01	flat_ldls_long	23:47	15			VIRUS	cal							Yes
virus0000010_02	flat_ldls_long	23:49	15			VIRUS	cal							Yes
virus0000010_03	flat_ldls_long	23:50	15			VIRUS	cal							Yes
virus0000011_01	Cd-A	23:52	15			VIRUS	cal							Yes
0092	UNe Slave Cal	23:53	426			HPF	cal							Yes
virus0000011_02	Cd-A	23:53	15			VIRUS	cal							Yes
virus0000011_03	Cd-A	23:54	15			VIRUS	cal							Yes
virus0000012_01	Hg	23:56	15			VIRUS	cal							Yes
virus0000012_02	Hg	23:57	15			VIRUS	cal							Yes
virus0000012_03	Hg	23:59	15			VIRUS	cal							Yes

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