HET Night Report Reader

Civil Date	Ephemerides
2026-09-04	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:22	02:08	02:37	11:12	11:41	12:28	06:28	-
Night Length	8:35		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Justen Pautzke	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	Herman Kriel

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
07:08	20.4	20.7	12:22	twilight	05:14
Total Time Open					5:14

Program	Night Priority	Science
02:37	Idle due to weather (Radar)
08:55	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
07:16	07:53	0.35	0.54	-415	+1379	20.5	20.9	20.8	208	8	First of Night
11:44	11:51	0.62	0.96	-620	+1379	19.7	20.3	20.4	220	12	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Cloudy and rainy at the beginning of the night; smell of smoke 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
lrs20000016_02	dark	00:00	360			LRS2	cal							Yes
virus0000016_02	dark	00:01	360			VIRUS	cal							Yes
lrs20000016_03	dark	00:07	360			LRS2	cal							Yes
virus0000016_03	dark	00:08	360			VIRUS	cal							Yes
0001	LFC Cal	02:58	106.5			HPF	cal							Yes
0002	LFC Cal	03:00	106.5			HPF	cal							Yes
0003	LFC Cal	03:02	106.5			HPF	cal							Yes
0004	LFC Cal	04:28	106.5			HPF	cal							Yes
0005	LFC Cal	04:30	106.5			HPF	cal							Yes
0006	LFC Cal	04:33	106.5			HPF	cal							Yes
0007	LFC Cal	05:37	106.5			HPF	cal							Yes
0008	LFC Cal	05:39	106.5			HPF	cal							Yes
0009	LFC Cal	05:41	106.5			HPF	cal							Yes
0010	LFC Cal	06:26	106.5			HPF	cal							Yes
0011	LFC Cal	06:28	106.5			HPF	cal							Yes
0012	LFC Cal	06:31	106.5			HPF	cal							Yes
0013	LFC Cal	08:38	106.5			HPF	cal							Yes
0014	LFC Cal	08:41	106.5			HPF	cal							Yes
0015	LFC Cal	08:43	106.5			HPF	cal							Yes
0016	LFC Cal	09:01	106.5			HPF	cal							Yes
lrs20000001_01	QID 1029	09:01	1200	6.0	UT26-3-003	LRS2-B	sci	1.64		21.01	0.73			Yes
virus0000001_01	parallel	09:01	1200			VIRUS	sci							Yes
0017	LFC Cal	09:04	106.5			HPF	cal							Yes
0018	LFC Cal	09:06	106.5			HPF	cal							Yes
0019	LFC Cal	09:26	106.5			HPF	cal							Yes
virus0000002_01	parallel	09:26	1200			VIRUS	sci							Yes
lrs20000002_01	QID 1030	09:26	1200	5.0	UT26-3-003	LRS2-R	sci	1.49		20.52	0.86			Yes
0020	LFC Cal	09:29	106.5			HPF	cal							Yes
0021	LFC Cal	09:31	106.5			HPF	cal							Yes
virus0000003_01	parallel	09:51	1500			VIRUS	sci							Yes
0022	LFC Cal	09:52	106.5			HPF	cal							Yes
lrs20000003_01	QID 19	09:52	1500	6.0	PSU26-3-007	LRS2-B	sci	1.55		20.58	0.76			Yes
0023	LFC Cal	09:54	106.5			HPF	cal							Yes
0024	LFC Cal	09:56	106.5			HPF	cal							Yes
lrs20000004_01	G191B2B_056_E	10:22	60	5.0		LRS2	spec	1.50		19.81	0.80			Yes
lrs20000005_01	G191B2B_066_E	10:29	120	6.0		LRS2	spec	1.62		19.56	0.86			Yes
0025	LFC Cal	10:40	106.5			HPF	cal							Yes
virus0000004_01	parallel	10:40	300			VIRUS	sci							Yes
lrs20000006_01	QID 1028	10:40	300	9.0	UT26-3-010	LRS2-B	sci	1.60		20.66	0.75			Yes
0026	LFC Cal	10:43	106.5			HPF	cal							Yes
0027	QID 932	10:52	276.9	7.4	UT26-3-012	HPF	sci	1.58		20.08	0.75	487		P4
virus0000005_01	parallel	10:52	318.4			VIRUS	sci							Yes
0028	LFC Cal	10:58	106.5			HPF	cal							Yes
0029	LFC Cal	11:04	106.5			HPF	cal							Yes
virus0000006_01	parallel	11:04	2100			VIRUS	sci							Yes
lrs20000007_01	QID 927	11:04	2100	7.0	UT26-3-010	LRS2-B	sci	1.80		20.55	0.79			Yes
0030	LFC Cal	11:07	106.5			HPF	cal							Yes
0031	LFC Cal	11:09	106.5			HPF	cal							Yes
lrs20000008_01	bias	11:41	0			LRS2	cal							Yes
virus0000007_01	bias	11:41	0			VIRUS	cal							Yes
virus0000008_01	Cd-A	11:45	15		ENG26-3-002	VIRUS	cal							Yes
virus0000009_01	Hg	11:47	15		ENG26-3-002	VIRUS	cal							Yes
virus0000010_01	skyflat	12:08	25			VIRUS	cal							Yes
virus0000011_01	skyflat	12:09	18			VIRUS	cal							Yes
virus0000012_01	skyflat	12:11	15			VIRUS	cal							Yes
lrs20000009_01	skyflat	12:17	30			LRS2	cal							Yes
lrs20000010_01	skyflat	12:18	20			LRS2	cal							Yes
lrs20000011_01	skyflat	12:19	15			LRS2	cal							Yes
0032	Dark	12:24	319.5			HPF	cal							Yes
0033	Quartz FCU	12:35	74.5			HPF	cal							Yes
0034	Quartz FCU	12:37	74.5			HPF	cal							Yes
0035	Quartz FCU	12:39	74.5			HPF	cal							Yes
0036	Quartz FCU	12:41	74.5			HPF	cal							Yes
0037	Quartz FCU	12:42	74.5			HPF	cal							Yes
0038	Quartz FCU	12:44	74.5			HPF	cal							Yes
0039	Quartz FCU	12:46	74.5			HPF	cal							Yes
0040	Alpha Bright Cal	12:48	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	12:50	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0044	LFC FCU	12:57	106.5			HPF	cal							Yes
0045	LFC FCU	12:59	106.5			HPF	cal							Yes
0046	LFC FCU	13:01	106.5			HPF	cal							Yes
0047	LFC FCU	13:04	106.5			HPF	cal							Yes
0048	LFC FCU	13:06	106.5			HPF	cal							Yes
0049	LFC FCU	13:08	106.5			HPF	cal							Yes
0050	LFC Cal	13:11	106.5			HPF	cal							Yes
0051	LFC Cal	13:14	106.5			HPF	cal							Yes
0052	Etalon Cal	13:21	159.8			HPF	cal							Yes
0053	Etalon Cal	13:25	159.8			HPF	cal							Yes
0054	Etalon Cal	13:28	159.8			HPF	cal							Yes
0055	Etalon Cal	13:31	159.8			HPF	cal							Yes
0056	UNe Slave Cal	13:35	426			HPF	cal							Yes
0057	UNe Slave Cal	13:42	426			HPF	cal							Yes
0058	UNe Slave Cal	13:50	426			HPF	cal							Yes
0059	UNe Slave Cal	13:58	426			HPF	cal							Yes
0060	UNe Slave Cal	14:06	426			HPF	cal							Yes
0061	UNe Slave Cal	14:13	426			HPF	cal							Yes
lrs20009900_01	bias	22:00	0			LRS2	cal							Yes
0058	LFC Cal	22:00	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	22:01	20			VIRUS	cal							Yes
virus0009901_01	bias	22:02	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:03	20			LRS2	cal							Yes
virus0009902_01	dark	22:04	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:05	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:06	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:08	15			LRS2	cal							Yes
0059	Dark	22:15	319.5			HPF	cal							Yes
0060	Quartz FCU	22:21	74.5			HPF	cal							Yes
0061	Quartz FCU	22:23	74.5			HPF	cal							Yes
0062	Quartz FCU	22:25	74.5			HPF	cal							Yes
0063	Quartz FCU	22:26	74.5			HPF	cal							Yes
0064	Quartz FCU	22:28	74.5			HPF	cal							Yes
0065	Quartz FCU	22:30	74.5			HPF	cal							Yes
0066	Quartz FCU	22:32	74.5			HPF	cal							Yes
0067	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0071	LFC FCU	22:43	106.5			HPF	cal							Yes
0072	LFC FCU	22:45	106.5			HPF	cal							Yes
0073	LFC Cal	22:48	106.5			HPF	cal							Yes
0074	LFC Cal	22:50	106.5			HPF	cal							Yes
0075	Etalon Cal	22:53	159.8			HPF	cal							Yes
0076	UNe Slave Cal	22:56	426			HPF	cal							Yes
lrs20000009_01	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000009_02	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000009_03	flat_Qth_R	23:03	15			LRS2	cal							Yes
0077	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000009_04	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000009_05	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000010_01	flat_ldls_long_B	23:06	20			LRS2	cal							Yes
lrs20000010_02	flat_ldls_long_B	23:08	20			LRS2	cal							Yes
lrs20000010_03	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
lrs20000011_01	Cd-A_B	23:10	29			LRS2	cal							Yes
0078	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000011_02	Cd-A_B	23:12	29			LRS2	cal							Yes
lrs20000011_03	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000012_01	FeAr_R	23:15	15			LRS2	cal							Yes
lrs20000012_02	FeAr_R	23:16	15			LRS2	cal							Yes
lrs20000012_03	FeAr_R	23:17	15			LRS2	cal							Yes
lrs20000013_01	Hg_R	23:18	20			LRS2	cal							Yes
0079	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000013_02	Hg_R	23:20	20			LRS2	cal							Yes
lrs20000013_03	Hg_R	23:21	20			LRS2	cal							Yes
lrs20000014_01	Hg_B	23:22	15			LRS2	cal							Yes
lrs20000014_02	Hg_B	23:24	15			LRS2	cal							Yes
lrs20000014_03	Hg_B	23:25	15			LRS2	cal							Yes
0080	UNe Slave Cal	23:27	426			HPF	cal							Yes
virus0000012_01	flat_ldls_long	23:31	15			VIRUS	cal							Yes
virus0000012_02	flat_ldls_long	23:33	15			VIRUS	cal							Yes
virus0000012_03	flat_ldls_long	23:34	15			VIRUS	cal							Yes
0081	UNe Slave Cal	23:35	426			HPF	cal							Yes
virus0000013_01	Cd-A	23:36	15			VIRUS	cal							Yes
virus0000013_02	Cd-A	23:37	15			VIRUS	cal							Yes
virus0000013_03	Cd-A	23:38	15			VIRUS	cal							Yes
virus0000014_01	Hg	23:40	15			VIRUS	cal							Yes
virus0000014_02	Hg	23:41	15			VIRUS	cal							Yes
virus0000014_03	Hg	23:43	15			VIRUS	cal							Yes
lrs20000015_01	bias	23:44	0			LRS2	cal							Yes
virus0000015_01	bias	23:44	0			VIRUS	cal							Yes
lrs20000015_02	bias	23:45	0			LRS2	cal							Yes
virus0000015_02	bias	23:45	0			VIRUS	cal							Yes
lrs20000015_03	bias	23:46	0			LRS2	cal							Yes
virus0000015_03	bias	23:46	0			VIRUS	cal							Yes
lrs20000015_04	bias	23:46	0			LRS2	cal							Yes
virus0000015_04	bias	23:47	0			VIRUS	cal							Yes
lrs20000015_05	bias	23:47	0			LRS2	cal							Yes
virus0000015_05	bias	23:48	0			VIRUS	cal							Yes
lrs20000015_06	bias	23:48	0			LRS2	cal							Yes
virus0000015_06	bias	23:49	0			VIRUS	cal							Yes
lrs20000015_07	bias	23:49	0			LRS2	cal							Yes
virus0000015_07	bias	23:49	0			VIRUS	cal							Yes
lrs20000015_08	bias	23:50	0			LRS2	cal							Yes
virus0000015_08	bias	23:50	0			VIRUS	cal							Yes
lrs20000015_09	bias	23:51	0			LRS2	cal							Yes
virus0000015_09	bias	23:51	0			VIRUS	cal							Yes
lrs20000015_10	bias	23:52	0			LRS2	cal							Yes
virus0000015_10	bias	23:52	0			VIRUS	cal							Yes
lrs20000015_11	bias	23:53	0			LRS2	cal							Yes
virus0000015_11	bias	23:53	0			VIRUS	cal							Yes
lrs20000016_01	dark	23:53	360			LRS2	cal							Yes
virus0000016_01	dark	23:54	360			VIRUS	cal							Yes

Previous Day:		Sep 04, 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