HET Night Report Reader

Civil Date	Ephemerides
2026-05-28	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:00	02:52	03:27	10:19	10:54	11:47	-	10:21
Night Length	6:52		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:54	22.3	19.4	07:40	clouds	05:46
Total Time Open					5:46

Program	Night Priority	Science
03:17	Idle due to weather (heavy clouds)
03:27	Idle due to weather (heavy clouds)
04:07	Science
04:59	Idle due to weather (clouds)
06:15	Science
07:15	Idle due to weather (heavy clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:26	02:56	0.47	0.72	-390	-634	20.9	20.9	20.5	119	10	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6581	07:20-07:39	00:19	Dome shutter stuck at NEAR_CLOSED.	Finally responded and fully closed after a couple of hours of being left alone.

Ops Comments	none

TO Comments	Fighting clouds all night. Closed halfway through for thick clouds. DIMM shutter seems to be closing/opening slower than normal and wouldn't respond at beginning of night. Had to unplug and plug back the power cord.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_03	dark	00:04	360			LRS2	cal							Yes
virus0000025_03	dark	00:04	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	02:05	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:06	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:07	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:08	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:10	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:11	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:15	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:16	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:17	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:19	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:20	26			VIRUS	cal							Yes
virus0000006_01	parallel	03:12	300			VIRUS	spec							Yes
lrs20000007_01	P177D_056_E	03:12	300	14.0		LRS2	spec	1.53		18.71	0.43			Yes
0001	QID 894	04:12	308.9	4.9	UT26-2-005	HPF	sci	1.56		19.40	0.71	66		Yes
virus0000007_01	parallel	04:12	2102.1			VIRUS	sci							Yes
0002	QID 894	04:18	308.9	0.9	UT26-2-005	HPF	sci	1.65		19.46	0.83	76		Yes
0003	QID 894	04:24	308.9	0.9	UT26-2-005	HPF	sci	1.70		19.44	0.87	82		Yes
0004	QID 894	04:29	308.9	0.9	UT26-2-005	HPF	sci	1.80		19.40	0.89	82		Yes
0005	QID 894	04:35	308.9	-0.1	UT26-2-005	HPF	sci	1.81	1.27	19.39	0.91	82		Yes
0006	QID 894	04:41	308.9	0.9	UT26-2-005	HPF	sci	1.85	1.25	19.30	0.88	80		Yes
0007	HR5162_tell_std	04:53	330.2	7.5		HPF	telluric	1.63	1.04	19.55	0.80			Yes
virus0000008_01	parallel	05:05	4904.9			VIRUS	sci							Yes
0008	QID 905	05:06	308.9	6.9	UT26-2-004	HPF	sci	1.44	1.18	17.86	0.59	217		No
0009	QID 905	05:12	308.9	0.9	UT26-2-004	HPF	sci	1.43	1.16	17.57	0.46	199		No
0010	QID 905	05:17	308.9	0.9	UT26-2-004	HPF	sci	1.49	1.27	17.71	0.52	218		No
0011	QID 905	05:23	308.9	-0.1	UT26-2-004	HPF	sci	1.51	1.15	17.86	0.61	248		No
0012	QID 905	05:29	308.9	0.9	UT26-2-004	HPF	sci	1.59	0.96	17.10	0.31	209		No
0013	QID 905	05:35	308.9	0.9	UT26-2-004	HPF	sci	1.60	0.81	16.88	0.21	83		No
0014	QID 905	05:40	308.9	0.9	UT26-2-004	HPF	sci	1.74	0.98	17.05	0.28	52		No
0015	QID 905	05:46	308.9	-0.1	UT26-2-004	HPF	sci	1.70	1.01	17.41	0.43	147		No
0016	QID 905	05:52	308.9	0.9	UT26-2-004	HPF	sci	1.56	0.96	17.94	0.63	180		No
0017	QID 905	05:58	308.9	0.9	UT26-2-004	HPF	sci	1.51	1.27	17.94	0.65	184		No
0018	QID 905	06:04	308.9	0.9	UT26-2-004	HPF	sci	1.53	1.25	17.29	0.39	104		No
0019	QID 905	06:09	308.9	0.9	UT26-2-004	HPF	sci	1.55	1.28	17.55	0.54	86	hit track with about 2 min left in exposure	No
0020	QID 99	06:21	969.1	5.8	UT26-2-019	HPF	sci	1.67	1.16	18.99	0.83	402		P4
virus0000009_01	parallel	06:21	1000			VIRUS	sci							Yes
0021	LFC Cal	06:39	106.5			HPF	cal							Yes
0022	QID 472	06:43	915.9	5.7	G26-2-002	HPF	sci	1.81	1.36	18.97	0.81	107		Yes
virus0000010_01	parallel	06:43	1914.8			VIRUS	sci							Yes
0023	QID 472	06:59	915.9	1.7	G26-2-002	HPF	sci	1.81	1.06	19.13	0.79	107		Yes
0024	LFC Cal	07:16	106.5			HPF	cal							Yes
lrs20000008_01	bias	09:51	0			LRS2	cal							Yes
virus0000011_01	bias	09:51	0			VIRUS	cal							Yes
virus0000012_01	Cd-A	09:55	15		ENG26-2-002	VIRUS	cal							Yes
virus0000013_01	Hg	09:57	15		ENG26-2-002	VIRUS	cal							Yes
0025	Dark	10:04	319.5			HPF	cal							Yes
0026	Quartz FCU	10:15	74.5			HPF	cal							Yes
0027	Quartz FCU	10:17	74.5			HPF	cal							Yes
0028	Quartz FCU	10:19	74.5			HPF	cal							Yes
0029	Quartz FCU	10:20	74.5			HPF	cal							Yes
0030	Quartz FCU	10:22	74.5			HPF	cal							Yes
0031	Quartz FCU	10:24	74.5			HPF	cal							Yes
0032	Quartz FCU	10:26	74.5			HPF	cal							Yes
0033	Alpha Bright Cal	10:28	85.2			HPF	cal							Yes
0034	Alpha Bright Cal	10:30	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	10:32	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	10:34	85.2			HPF	cal							Yes
0037	LFC FCU	10:37	106.5			HPF	cal							Yes
0038	LFC FCU	10:39	106.5			HPF	cal							Yes
0039	LFC FCU	10:41	106.5			HPF	cal							Yes
0040	LFC FCU	10:44	106.5			HPF	cal							Yes
0041	LFC FCU	10:46	106.5			HPF	cal							Yes
0042	LFC FCU	10:48	106.5			HPF	cal							Yes
0043	LFC Cal	10:51	106.5			HPF	cal							Yes
0044	LFC Cal	10:53	106.5			HPF	cal							Yes
0045	Etalon Cal	11:01	159.8			HPF	cal							Yes
0046	Etalon Cal	11:04	159.8			HPF	cal							Yes
0047	Etalon Cal	11:07	159.8			HPF	cal							Yes
0048	Etalon Cal	11:11	159.8			HPF	cal							Yes
0049	UNe Slave Cal	11:14	426			HPF	cal							Yes
0050	UNe Slave Cal	11:22	426			HPF	cal							Yes
0051	UNe Slave Cal	11:30	426			HPF	cal							Yes
0052	UNe Slave Cal	11:38	426			HPF	cal							Yes
0053	UNe Slave Cal	11:45	426			HPF	cal							Yes
0054	UNe Slave Cal	11:53	426			HPF	cal							Yes
0150	LFC Cal	21:48	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:59	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:00	20			VIRUS	cal							Yes
virus0009901_01	bias	22:01	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:02	20			LRS2	cal							Yes
virus0009902_01	dark	22:03	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:04	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:05	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:07	15			LRS2	cal							Yes
0151	Dark	22:13	319.5			HPF	cal							Yes
0152	Quartz FCU	22:20	74.5			HPF	cal							Yes
0153	Quartz FCU	22:22	74.5			HPF	cal							Yes
0154	Quartz FCU	22:24	74.5			HPF	cal							Yes
0155	Quartz FCU	22:25	74.5			HPF	cal							Yes
0156	Quartz FCU	22:27	74.5			HPF	cal							Yes
0157	Quartz FCU	22:29	74.5			HPF	cal							Yes
0158	Quartz FCU	22:31	74.5			HPF	cal							Yes
0159	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0160	Alpha Bright Cal	22:35	85.2			HPF	cal							Yes
0161	Alpha Bright Cal	22:37	85.2			HPF	cal							Yes
0162	Alpha Bright Cal	22:39	85.2			HPF	cal							Yes
0163	LFC FCU	22:41	106.5			HPF	cal							Yes
0164	LFC FCU	22:44	106.5			HPF	cal							Yes
0165	LFC Cal	22:47	106.5			HPF	cal							Yes
0166	LFC Cal	22:49	106.5			HPF	cal							Yes
0167	Etalon Cal	22:52	159.8			HPF	cal							Yes
0168	UNe Slave Cal	22:55	426			HPF	cal							Yes
lrs20000013_01	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000013_02	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000013_03	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000013_04	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000013_05	flat_Qth_R	23:02	15			LRS2	cal							Yes
0169	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000014_01	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
lrs20000014_02	flat_ldls_long_B	23:05	20			LRS2	cal							Yes
lrs20000014_03	flat_ldls_long_B	23:06	20			LRS2	cal							Yes
lrs20000015_01	Cd-A_B	23:07	29			LRS2	cal							Yes
lrs20000015_02	Cd-A_B	23:09	29			LRS2	cal							Yes
lrs20000015_03	Cd-A_B	23:10	29			LRS2	cal							Yes
0170	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000016_01	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000016_02	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000016_03	FeAr_R	23:14	15			LRS2	cal							Yes
lrs20000017_01	Hg_R	23:15	20			LRS2	cal							Yes
lrs20000017_02	Hg_R	23:17	20			LRS2	cal							Yes
lrs20000017_03	Hg_R	23:18	20			LRS2	cal							Yes
0171	UNe Slave Cal	23:19	426			HPF	cal							Yes
lrs20000018_01	Hg_B	23:19	15			LRS2	cal							Yes
lrs20000018_02	Hg_B	23:21	15			LRS2	cal							Yes
lrs20000018_03	Hg_B	23:22	15			LRS2	cal							Yes
0172	UNe Slave Cal	23:26	426			HPF	cal							Yes
virus0000021_01	flat_ldls_long	23:29	15			VIRUS	cal							Yes
virus0000021_02	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000021_03	flat_ldls_long	23:31	15			VIRUS	cal							Yes
virus0000022_01	Cd-A	23:33	15			VIRUS	cal							Yes
0173	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000022_02	Cd-A	23:34	15			VIRUS	cal							Yes
virus0000022_03	Cd-A	23:35	15			VIRUS	cal							Yes
virus0000023_01	Hg	23:37	15			VIRUS	cal							Yes
virus0000023_02	Hg	23:38	15			VIRUS	cal							Yes
virus0000023_03	Hg	23:39	15			VIRUS	cal							Yes
lrs20000019_01	bias	23:41	0			LRS2	cal							Yes
virus0000024_01	bias	23:41	0			VIRUS	cal							Yes
lrs20000019_02	bias	23:42	0			LRS2	cal							Yes
lrs20000019_03	bias	23:42	0			LRS2	cal							Yes
virus0000024_02	bias	23:42	0			VIRUS	cal							Yes
virus0000024_03	bias	23:43	0			VIRUS	cal							Yes
lrs20000019_04	bias	23:43	0			LRS2	cal							Yes
virus0000024_04	bias	23:44	0			VIRUS	cal							Yes
lrs20000019_05	bias	23:44	0			LRS2	cal							Yes
virus0000024_05	bias	23:44	0			VIRUS	cal							Yes
lrs20000019_06	bias	23:45	0			LRS2	cal							Yes
virus0000024_06	bias	23:45	0			VIRUS	cal							Yes
lrs20000019_07	bias	23:46	0			LRS2	cal							Yes
virus0000024_07	bias	23:46	0			VIRUS	cal							Yes
lrs20000019_08	bias	23:47	0			LRS2	cal							Yes
virus0000024_08	bias	23:47	0			VIRUS	cal							Yes
lrs20000019_09	bias	23:47	0			LRS2	cal							Yes
virus0000024_09	bias	23:48	0			VIRUS	cal							Yes
lrs20000019_10	bias	23:48	0			LRS2	cal							Yes
virus0000024_10	bias	23:49	0			VIRUS	cal							Yes
lrs20000019_11	bias	23:49	0			LRS2	cal							Yes
virus0000024_11	bias	23:49	0			VIRUS	cal							Yes
lrs20000020_01	dark	23:50	360			LRS2	cal							Yes
virus0000025_01	dark	23:50	360			VIRUS	cal							Yes
lrs20000020_02	dark	23:57	360			LRS2	cal							Yes
virus0000025_02	dark	23:57	360			VIRUS	cal							Yes

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