HET Night Report Reader

Civil Date	Ephemerides
2026-09-03	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:23	02:09	02:38	11:11	11:41	12:28	05:29	-
Night Length	8:33		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Justen Pautzke	Cassie Crowe	-	-

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:12	23.9	21.5	03:42	clouds	02:30
10:11	20.2	20.4	11:26	twilight	01:15
Total Time Open					3:45

Program	Night Priority	Science
02:38	Idle due to weather (Clouds)
10:11	Science
10:19	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
01:47	02:18	0.41	0.63	-397	+207	24.2	21.6	21.5	169	5	First of Night
11:18	11:24	0.41	0.64	-327	+885	19.0	19.6	19.7	281	14	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clouds most of the night. Noticed after turning on HVAC system while closed a light came on outside near AHU South that naked eye visible. Justen said it looked like a quartz work lamp. Didn't go away after turning off HVAC. Still on as of EON.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000028_03	dark	00:00	360			LRS2	cal							Yes
virus0000025_03	dark	00:00	360			VIRUS	cal							Yes
0001	twilight	01:20	298.2			HPF	cal					357		Yes
lrs20000001_01	skyflat	01:28	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:29	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:30	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:31	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:32	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:34	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:36	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:38	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:39	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:40	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:42	26			VIRUS	cal							Yes
0002	LFC Cal	01:50	106.5			HPF	cal							Yes
0003	LFC Cal	01:53	106.5			HPF	cal							Yes
0004	LFC Cal	01:55	106.5			HPF	cal							Yes
0005	QID 1026	02:27	340.8	8.3	PSU26-3-012	HPF	sci	1.32	1.00	20.27	0.68	417		Yes
virus0000006_01	parallel	02:27	382.3			VIRUS	sci							Yes
virus0000007_01	parallel	02:50	1800			VIRUS	sci							Yes
lrs20000007_01	QID 178	02:50	1800	4.0	PSU26-3-008	LRS2-R	sci	1.36		20.99	0.87		clouds, aborted exposure.	No
0006	LFC Cal	02:51	106.5			HPF	cal							Yes
0007	LFC Cal	02:53	106.5			HPF	cal							Yes
0008	LFC Cal	02:55	106.5			HPF	cal							Yes
0009	LFC Cal	03:35	106.5			HPF	cal							Yes
0010	LFC Cal	03:38	106.5			HPF	cal							Yes
0011	LFC Cal	03:40	106.5			HPF	cal							Yes
virus0000008_01	dark	03:44	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_02	dark	03:51	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_03	dark	03:58	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_04	dark	04:04	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_05	dark	04:11	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_06	dark	04:18	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_07	dark	04:25	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_08	dark	04:32	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_09	dark	04:39	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_10	dark	04:46	360		ENG26-3-004	VIRUS	cal							Yes
0012	LFC Cal	05:30	106.5			HPF	cal							Yes
0013	LFC Cal	05:32	106.5			HPF	cal							Yes
0014	LFC Cal	05:35	106.5			HPF	cal							Yes
0015	LFC Cal	06:24	106.5			HPF	cal							Yes
0016	LFC Cal	06:27	106.5			HPF	cal							Yes
0017	LFC Cal	06:29	106.5			HPF	cal							Yes
0018	LFC Cal	08:53	106.5			HPF	cal							Yes
0019	LFC Cal	08:55	106.5			HPF	cal							Yes
0020	LFC Cal	08:58	106.5			HPF	cal							Yes
0021	LFC Cal	09:52	106.5			HPF	cal							Yes
0022	LFC Cal	09:54	106.5			HPF	cal							Yes
0023	LFC Cal	09:57	106.5			HPF	cal							Yes
0024	HR875_tell_std	10:17	117.2	6.0		HPF	telluric	1.63		18.94	0.60			Yes
0025	LFC Cal	10:49	106.5			HPF	cal							Yes
0026	LFC Cal	10:51	106.5			HPF	cal							Yes
0027	LFC Cal	10:54	106.5			HPF	cal							Yes
lrs20000008_01	bias	11:17	0			LRS2	cal							Yes
virus0000009_01	bias	11:17	0			VIRUS	cal							Yes
virus0000010_01	Cd-A	11:21	15		ENG26-3-002	VIRUS	cal							Yes
virus0000011_01	Hg	11:23	15		ENG26-3-002	VIRUS	cal							Yes
0028	Dark	11:31	319.5			HPF	cal							Yes
0029	Quartz FCU	11:42	74.5			HPF	cal							Yes
0030	Quartz FCU	11:44	74.5			HPF	cal							Yes
0031	Quartz FCU	11:46	74.5			HPF	cal							Yes
0032	Quartz FCU	11:48	74.5			HPF	cal							Yes
0033	Quartz FCU	11:49	74.5			HPF	cal							Yes
0034	Quartz FCU	11:51	74.5			HPF	cal							Yes
0035	Quartz FCU	11:53	74.5			HPF	cal							Yes
0036	Alpha Bright Cal	11:55	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	11:57	85.2			HPF	cal							Yes
0038	Alpha Bright Cal	11:59	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	12:01	85.2			HPF	cal							Yes
0040	LFC FCU	12:04	106.5			HPF	cal							Yes
0041	LFC FCU	12:06	106.5			HPF	cal							Yes
0042	LFC FCU	12:09	106.5			HPF	cal							Yes
0043	LFC FCU	12:11	106.5			HPF	cal							Yes
0044	LFC FCU	12:13	106.5			HPF	cal							Yes
0045	LFC FCU	12:15	106.5			HPF	cal							Yes
0046	LFC Cal	12:18	106.5			HPF	cal							Yes
0047	LFC Cal	12:21	106.5			HPF	cal							Yes
0048	Etalon Cal	12:28	159.8			HPF	cal							Yes
0049	Etalon Cal	12:32	159.8			HPF	cal							Yes
0050	Etalon Cal	12:35	159.8			HPF	cal							Yes
0051	Etalon Cal	12:38	159.8			HPF	cal							Yes
0052	UNe Slave Cal	12:42	426			HPF	cal							Yes
0053	UNe Slave Cal	12:49	426			HPF	cal							Yes
0054	UNe Slave Cal	12:57	426			HPF	cal							Yes
0055	UNe Slave Cal	13:05	426			HPF	cal							Yes
0056	UNe Slave Cal	13:13	426			HPF	cal							Yes
0057	UNe Slave Cal	13:20	426			HPF	cal							Yes
0080	LFC Cal	21:55	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:57	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	21:59	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:00	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0081	Dark	22:08	319.5			HPF	cal							Yes
0082	Quartz FCU	22:15	74.5			HPF	cal							Yes
0083	Quartz FCU	22:17	74.5			HPF	cal							Yes
0084	Quartz FCU	22:18	74.5			HPF	cal							Yes
0085	Quartz FCU	22:20	74.5			HPF	cal							Yes
0086	Quartz FCU	22:22	74.5			HPF	cal							Yes
0087	Quartz FCU	22:24	74.5			HPF	cal							Yes
0088	Quartz FCU	22:26	74.5			HPF	cal							Yes
0089	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	22:32	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0093	LFC FCU	22:36	106.5			HPF	cal							Yes
0094	LFC FCU	22:39	106.5			HPF	cal							Yes
0095	LFC Cal	22:42	106.5			HPF	cal							Yes
0096	LFC Cal	22:44	106.5			HPF	cal							Yes
0097	Etalon Cal	22:47	159.8			HPF	cal							Yes
0098	UNe Slave Cal	22:50	426			HPF	cal							Yes
lrs20000021_01	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000021_02	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000021_03	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000021_04	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000021_05	flat_Qth_R	22:57	15			LRS2	cal							Yes
0099	UNe Slave Cal	22:58	426			HPF	cal							Yes
lrs20000022_01	flat_ldls_long_B	22:58	20			LRS2	cal							Yes
lrs20000022_02	flat_ldls_long_B	23:00	20			LRS2	cal							Yes
lrs20000022_03	flat_ldls_long_B	23:01	20			LRS2	cal							Yes
lrs20000023_01	Cd-A_B	23:02	29			LRS2	cal							Yes
lrs20000023_02	Cd-A_B	23:04	29			LRS2	cal							Yes
lrs20000023_03	Cd-A_B	23:05	29			LRS2	cal							Yes
0100	UNe Slave Cal	23:06	426			HPF	cal							Yes
lrs20000024_01	FeAr_R	23:07	15			LRS2	cal							Yes
lrs20000024_02	FeAr_R	23:08	15			LRS2	cal							Yes
lrs20000024_03	FeAr_R	23:09	15			LRS2	cal							Yes
lrs20000025_01	Hg_R	23:11	20			LRS2	cal							Yes
lrs20000025_02	Hg_R	23:12	20			LRS2	cal							Yes
lrs20000025_03	Hg_R	23:13	20			LRS2	cal							Yes
0101	UNe Slave Cal	23:14	426			HPF	cal							Yes
lrs20000026_01	Hg_B	23:15	15			LRS2	cal							Yes
lrs20000026_02	Hg_B	23:16	15			LRS2	cal							Yes
lrs20000026_03	Hg_B	23:17	15			LRS2	cal							Yes
0102	UNe Slave Cal	23:21	426			HPF	cal							Yes
virus0000021_01	flat_ldls_long	23:24	15			VIRUS	cal							Yes
virus0000021_02	flat_ldls_long	23:25	15			VIRUS	cal							Yes
virus0000021_03	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000022_01	Cd-A	23:28	15			VIRUS	cal							Yes
0103	UNe Slave Cal	23:29	426			HPF	cal							Yes
virus0000022_02	Cd-A	23:30	15			VIRUS	cal							Yes
virus0000022_03	Cd-A	23:31	15			VIRUS	cal							Yes
virus0000023_01	Hg	23:32	15			VIRUS	cal							Yes
virus0000023_02	Hg	23:34	15			VIRUS	cal							Yes
virus0000023_03	Hg	23:35	15			VIRUS	cal							Yes
lrs20000027_01	bias	23:37	0			LRS2	cal							Yes
virus0000024_01	bias	23:37	0			VIRUS	cal							Yes
lrs20000027_02	bias	23:38	0			LRS2	cal							Yes
lrs20000027_03	bias	23:38	0			LRS2	cal							Yes
virus0000024_02	bias	23:38	0			VIRUS	cal							Yes
virus0000024_03	bias	23:39	0			VIRUS	cal							Yes
lrs20000027_04	bias	23:39	0			LRS2	cal							Yes
virus0000024_04	bias	23:40	0			VIRUS	cal							Yes
lrs20000027_05	bias	23:40	0			LRS2	cal							Yes
virus0000024_05	bias	23:40	0			VIRUS	cal							Yes
lrs20000027_06	bias	23:41	0			LRS2	cal							Yes
virus0000024_06	bias	23:41	0			VIRUS	cal							Yes
lrs20000027_07	bias	23:42	0			LRS2	cal							Yes
virus0000024_07	bias	23:42	0			VIRUS	cal							Yes
lrs20000027_08	bias	23:43	0			LRS2	cal							Yes
virus0000024_08	bias	23:43	0			VIRUS	cal							Yes
lrs20000027_09	bias	23:44	0			LRS2	cal							Yes
virus0000024_09	bias	23:44	0			VIRUS	cal							Yes
lrs20000027_10	bias	23:45	0			LRS2	cal							Yes
lrs20000027_11	bias	23:45	0			LRS2	cal							Yes
virus0000024_10	bias	23:45	0			VIRUS	cal							Yes
virus0000024_11	bias	23:46	0			VIRUS	cal							Yes
lrs20000028_01	dark	23:46	360			LRS2	cal							Yes
virus0000025_01	dark	23:47	360			VIRUS	cal							Yes
lrs20000028_02	dark	23:53	360			LRS2	cal							Yes
virus0000025_02	dark	23:54	360			VIRUS	cal							Yes

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