HET Night Report Reader

Civil Date	Ephemerides
2026-04-19	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:34	02:21	02:51	10:57	11:28	12:16	-	04:25
Night Length	8:06		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Justen Pautzke	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log							Did not open

Program	Night Priority	Science
02:51	Idle due to weather (heavy overcast)

Stack Data													Did not stack

Problem Reports					no PRs

Ops Comments	none

TO Comments	Closed for poor weather all night. Chiller and AHU running all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Quartz FCU	00:01	74.5			HPF	cal							Yes
0002	Quartz FCU	00:02	74.5			HPF	cal							Yes
0003	Quartz FCU	00:04	74.5			HPF	cal							Yes
0004	Quartz FCU	00:06	74.5			HPF	cal							Yes
0005	Quartz FCU	00:08	74.5			HPF	cal							Yes
0006	Quartz FCU	00:09	74.5			HPF	cal							Yes
0007	Quartz FCU	00:11	74.5			HPF	cal							Yes
0008	Alpha Bright Cal	00:13	85.2			HPF	cal							Yes
0009	Alpha Bright Cal	00:15	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:17	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:20	85.2			HPF	cal							Yes
0012	LFC FCU	00:22	106.5			HPF	cal							Yes
0013	LFC FCU	00:24	106.5			HPF	cal							Yes
0014	LFC Cal	00:27	106.5			HPF	cal							Yes
0015	LFC Cal	00:30	106.5			HPF	cal							Yes
0016	Etalon Cal	00:32	159.8			HPF	cal							Yes
0017	UNe Slave Cal	00:36	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:37	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:38	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:40	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:41	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:42	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:43	20			LRS2	cal							Yes
0018	UNe Slave Cal	00:44	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:45	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:46	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:47	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:49	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:50	29			LRS2	cal							Yes
0019	UNe Slave Cal	00:52	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:52	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:53	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:54	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:55	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:57	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:58	20			LRS2	cal							Yes
0020	UNe Slave Cal	00:59	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:59	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:00	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:02	15			LRS2	cal							Yes
0021	UNe Slave Cal	01:07	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:08	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:09	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:11	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:12	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	01:14	15			VIRUS	cal							Yes
0022	UNe Slave Cal	01:15	426			HPF	cal							Yes
virus0000002_03	Cd-A	01:15	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:17	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:18	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:19	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:40	0			LRS2	cal							Yes
virus0000004_01	bias	01:40	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:40	0			LRS2	cal							Yes
virus0000004_02	bias	01:40	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:41	0			LRS2	cal							Yes
virus0000004_03	bias	01:41	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:42	0			LRS2	cal							Yes
virus0000004_04	bias	01:42	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:43	0			LRS2	cal							Yes
virus0000004_05	bias	01:43	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:44	0			LRS2	cal							Yes
virus0000004_06	bias	01:44	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:45	0			LRS2	cal							Yes
virus0000004_07	bias	01:45	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:45	0			LRS2	cal							Yes
virus0000004_08	bias	01:46	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:46	0			LRS2	cal							Yes
virus0000004_09	bias	01:47	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:47	0			LRS2	cal							Yes
virus0000004_10	bias	01:47	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:48	0			LRS2	cal							Yes
virus0000004_11	bias	01:48	0			VIRUS	cal							Yes
lrs20000008_01	dark	01:49	360			LRS2	cal							Yes
virus0000005_01	dark	01:49	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:56	360			LRS2	cal							Yes
virus0000005_02	dark	01:56	360			VIRUS	cal							Yes
lrs20000008_03	dark	02:03	360			LRS2	cal							Yes
virus0000005_03	dark	02:03	360			VIRUS	cal							Yes
0023	LFC Cal	02:13	106.5			HPF	cal							Yes
0024	LFC Cal	02:16	106.5			HPF	cal							Yes
0025	LFC Cal	02:18	106.5			HPF	cal							Yes
lrs20000009_01	bias	02:38	0			LRS2	cal							Yes
virus0000006_01	bias	02:39	0			VIRUS	cal							Yes
lrs20000009_02	bias	02:39	0			LRS2	cal							Yes
virus0000006_02	bias	02:39	0			VIRUS	cal							Yes
lrs20000009_03	bias	02:40	0			LRS2	cal							Yes
virus0000006_03	bias	02:40	0			VIRUS	cal							Yes
lrs20000009_04	bias	02:41	0			LRS2	cal							Yes
virus0000006_04	bias	02:41	0			VIRUS	cal							Yes
lrs20000009_05	bias	02:42	0			LRS2	cal							Yes
virus0000006_05	bias	02:42	0			VIRUS	cal							Yes
lrs20000009_06	bias	02:43	0			LRS2	cal							Yes
virus0000006_06	bias	02:43	0			VIRUS	cal							Yes
lrs20000009_07	bias	02:43	0			LRS2	cal							Yes
lrs20000009_08	bias	02:44	0			LRS2	cal							Yes
virus0000006_07	bias	02:44	0			VIRUS	cal							Yes
virus0000006_08	bias	02:45	0			VIRUS	cal							Yes
lrs20000009_09	bias	02:45	0			LRS2	cal							Yes
virus0000006_09	bias	02:45	0			VIRUS	cal							Yes
lrs20000009_10	bias	02:46	0			LRS2	cal							Yes
virus0000006_10	bias	02:46	0			VIRUS	cal							Yes
lrs20000009_11	bias	02:47	0			LRS2	cal							Yes
virus0000006_11	bias	02:47	0			VIRUS	cal							Yes
lrs20000010_01	dark	02:48	360			LRS2	cal							Yes
virus0000007_01	dark	02:48	360			VIRUS	cal							Yes
lrs20000010_02	dark	02:55	360			LRS2	cal							Yes
virus0000007_02	dark	02:55	360			VIRUS	cal							Yes
lrs20000010_03	dark	03:01	360			LRS2	cal							Yes
virus0000007_03	dark	03:02	360			VIRUS	cal							Yes
0026	LFC Cal	04:40	106.5			HPF	cal							Yes
0027	LFC Cal	04:43	106.5			HPF	cal							Yes
0028	LFC Cal	04:45	106.5			HPF	cal							Yes
lrs20006600_01	bias	05:58	0			LRS2	cal							Yes
virus0006600_01	flat_Qth	05:59	20			VIRUS	cal							Yes
virus0006601_01	bias	06:00	0			VIRUS	cal							Yes
lrs20006601_01	flat_ldls_long_B	06:01	20			LRS2	cal							Yes
virus0006602_01	dark	06:02	15			VIRUS	cal							Yes
lrs20006602_01	Cd-A_B	06:03	29			LRS2	cal							Yes
lrs20006603_01	FeAr_R	06:05	15			LRS2	cal							Yes
lrs20006604_01	Hg_B	06:06	15			LRS2	cal							Yes
0029	LFC Cal	08:13	106.5			HPF	cal							Yes
0030	LFC Cal	08:16	106.5			HPF	cal							Yes
0031	LFC Cal	08:18	106.5			HPF	cal							Yes
lrs20000011_01	bias	10:07	0			LRS2	cal							Yes
virus0000008_01	bias	10:08	0			VIRUS	cal							Yes
virus0000009_01	Cd-A	10:12	15		ENG26-2-002	VIRUS	cal							Yes
virus0000010_01	Hg	10:14	15		ENG26-2-002	VIRUS	cal							Yes
0032	Dark	10:21	319.5			HPF	cal							Yes
0033	Quartz FCU	10:33	74.5			HPF	cal							Yes
0034	Quartz FCU	10:35	74.5			HPF	cal							Yes
0035	Quartz FCU	10:37	74.5			HPF	cal							Yes
0036	Quartz FCU	10:38	74.5			HPF	cal							Yes
0037	Quartz FCU	10:40	74.5			HPF	cal							Yes
0038	Quartz FCU	10:42	74.5			HPF	cal							Yes
0039	Quartz FCU	10:44	74.5			HPF	cal							Yes
0040	Alpha Bright Cal	10:46	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	10:48	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	10:50	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	10:52	85.2			HPF	cal							Yes
0044	LFC FCU	10:55	106.5			HPF	cal							Yes
0045	LFC FCU	10:57	106.5			HPF	cal							Yes
0046	LFC FCU	10:59	106.5			HPF	cal							Yes
0047	LFC FCU	11:01	106.5			HPF	cal							Yes
0048	LFC FCU	11:04	106.5			HPF	cal							Yes
0049	LFC FCU	11:06	106.5			HPF	cal							Yes
0050	LFC Cal	11:09	106.5			HPF	cal							Yes
0051	LFC Cal	11:11	106.5			HPF	cal							Yes
0052	Etalon Cal	11:19	159.8			HPF	cal							Yes
0053	Etalon Cal	11:22	159.8			HPF	cal							Yes
0054	Etalon Cal	11:26	159.8			HPF	cal							Yes
0055	Etalon Cal	11:29	159.8			HPF	cal							Yes
0056	UNe Slave Cal	11:32	426			HPF	cal							Yes
0057	UNe Slave Cal	11:40	426			HPF	cal							Yes
0058	UNe Slave Cal	11:48	426			HPF	cal							Yes
0059	UNe Slave Cal	11:56	426			HPF	cal							Yes
0060	UNe Slave Cal	12:03	426			HPF	cal							Yes
0061	UNe Slave Cal	12:11	426			HPF	cal							Yes
0105	LFC Cal	23:31	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:40	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:40	20			VIRUS	cal							Yes
virus0009901_01	bias	23:42	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:43	20			LRS2	cal							Yes
virus0009902_01	dark	23:44	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:45	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:46	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:48	15			LRS2	cal							Yes
0106	Dark	23:54	319.5			HPF	cal							Yes

Previous Day:		Apr 19, 2026 Civil		Next Day:
HET Night Report	VIRUS Biases	VIRUS Biases	LRS2 Biases	HET Night Report	VIRUS Biases
LRS2 Biases	EON Charts	EON Charts		LRS2 Biases	EON Charts