HET Night Report Reader

Civil Date	Ephemerides
2026-06-25	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:10	03:04	03:40	10:17	10:53	11:48	-	08:58
Night Length	6:37		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Aiden Dillard	-	-

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	Herman Kriel

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
04:24	23.6	23.3	08:22	clouds	03:58
08:48	22.6	22.6	10:56	twilight	02:08
Total Time Open					6:06

Program	Night Priority	Science
03:40	Idle due to weather (radar)
04:45	Science
07:01	Idle due to weather (clouds)
07:16	Science
07:44	Idle due to weather (clouds)
08:50	Science
09:13	Idle due to weather (low transparency)
09:18	Science
09:23	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
04:29	04:44	0.43	0.65	-400	-282	23.4	23.6	23.4	127	9	First of Night
10:51	10:56	0.41	0.63	-485	+170	22.1	22.5	22.6	204	13	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	North AHU alarm was detected preventing operation while it should have been running. Talked with Herman and this will be addressed in the morning. Did not log as a PR due to ongoing HVAC changes.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000018_02	dark	00:02	360			LRS2	cal							Yes
virus0000017_02	dark	00:02	360			VIRUS	cal							Yes
lrs20000018_03	dark	00:09	360			LRS2	cal							Yes
virus0000017_03	dark	00:09	360			VIRUS	cal							Yes
0001	LFC Cal	02:07	106.5			HPF	cal							Yes
0002	LFC Cal	02:09	106.5			HPF	cal							Yes
0003	LFC Cal	02:11	106.5			HPF	cal							Yes
0004	QID 1049	04:52	947.9	7.2	UT26-2-004	HPF	sci	1.96		18.56	0.32	16	Started at beginning of track. First exposure low transparency but others high SNR. Please review and reject if necessary.	Yes
virus0000001_01	parallel	04:52	4148			VIRUS	sci							Yes
0005	QID 1049	05:09	947.9	1.2	UT26-2-004	HPF	sci	1.55		19.13	0.71	57		Yes
0006	QID 1049	05:26	947.9	1.2	UT26-2-004	HPF	sci	1.57		19.22	0.74	63		Yes
0007	QID 1049	05:43	947.9	0.2	UT26-2-004	HPF	sci	1.67		19.40	0.90	68		Yes
0008	QID 1049	05:59	947.9	1.2	UT26-2-004	HPF	sci	1.54		19.47	0.93	62		Yes
0009	QID 1049	06:17	372.8	2.8	UT26-2-004	HPF	sci	1.43		19.35	1.00	35	Had to cut last exposure short since we hit the track limit, but SNR goal reached.	Yes
0010	QID 707	06:29	915.9	5.7	PSU26-2-007	HPF	sci	1.62	0.94	19.67	0.61	99		Yes
virus0000002_01	parallel	06:29	1914.8			VIRUS	sci							Yes
0011	QID 707	06:45	915.9	0.7	PSU26-2-007	HPF	sci	1.59	1.17	19.56	0.57	101		Yes
virus0000003_01	parallel	07:10	382.3			VIRUS	sci							Yes
0012	QID 629	07:11	340.8	9.3	PSU26-2-014	HPF	sci	1.57	1.17	17.93	0.44	411		No
0013	LFC Cal	07:24	106.5			HPF	cal							Yes
virus0000004_01	parallel	07:24	1200			VIRUS	sci							Yes
lrs20000001_01	QID 969	07:24	1200	8.0	PSU26-2-004	LRS2-B	sci	1.55	1.10	19.01	0.78			Yes
0014	LFC Cal	07:27	106.5			HPF	cal							Yes
0015	LFC Cal	07:29	106.5			HPF	cal							Yes
virus0000005_01	parallel	07:52	2000			VIRUS	sci							Yes
0016	QID 1064	07:53	969.1	8.8	UT26-2-007	HPF	sci	1.59	1.23	19.14	0.73		Tried running a 0 second exposure just to mark in night report as time spent setting up, but canceled due to poor conditions. 945s exposure ran anyways.	No
lrs20000002_01	QID 319	08:05	180	3.0	UT26-2-017	LRS2-B	sci	1.56	0.98	19.60	0.75			No
0017	LFC Cal	08:09	106.5			HPF	cal							Yes
0018	LFC Cal	08:12	106.5			HPF	cal							Yes
virus0000006_01	parallel	08:12	360			VIRUS	sci							Yes
lrs20000003_01	QID 320	08:12	360	4.0	UT26-2-017	LRS2-R	sci	1.38	1.02	18.52	0.14			No
0019	LFC Cal	08:14	106.5			HPF	cal							Yes
0020	LFC Cal	08:55	106.5			HPF	cal							Yes
virus0000007_01	parallel	08:55	300			VIRUS	sci							Yes
lrs20000004_01	QID 331	08:55	300	5.0	UT26-2-017	LRS2-B	sci	1.63	1.28	20.99	0.68			P4
0021	LFC Cal	08:57	106.5			HPF	cal							Yes
0022	LFC Cal	09:03	106.5			HPF	cal							Yes
virus0000008_01	parallel	09:03	600			VIRUS	sci							Yes
lrs20000005_01	QID 332	09:03	600	3.0	UT26-2-017	LRS2-R	sci	1.71	1.31	20.60	0.89			P4
0023	LFC Cal	09:06	106.5			HPF	cal							Yes
0024	LFC Cal	09:08	106.5			HPF	cal							Yes
0025	LFC Cal	09:23	106.5			HPF	cal							Yes
virus0000009_01	parallel	09:23	300			VIRUS	sci							Yes
lrs20000006_01	QID 625	09:23	300	5.0	PSU26-2-001	LRS2-R	sci	1.76	1.39	20.72	0.93			P4
0026	LFC Cal	09:26	106.5			HPF	cal							Yes
lrs20000007_01	HD180609_056_W	09:34	30	6.5		LRS2	spec	1.68	1.46	21.75	0.78			Yes
lrs20000008_01	HD180609_066_W	09:39	30	4.5		LRS2	spec	1.66	1.24	20.84	0.99			Yes
0027	LFC Cal	09:49	106.5			HPF	cal							Yes
virus0000010_01	parallel	09:49	2100			VIRUS	sci							Yes
lrs20000009_01	QID 823	09:49	2100	9.0	PSU26-2-011	LRS2-R	sci	1.85	1.45	20.88	0.97			Yes
0028	LFC Cal	09:51	106.5			HPF	cal							Yes
0029	LFC Cal	09:54	106.5			HPF	cal							Yes
virus0000011_01	parallel	10:32	1000			VIRUS	sci							Yes
0030	QID 749	10:33	969.1	8.8	UT26-2-007	HPF	sci	1.64	1.29	20.44	0.64	30		P4
lrs20000010_01	bias	10:51	0			LRS2	cal							Yes
virus0000012_01	bias	10:52	0			VIRUS	cal							Yes
virus0000013_01	Cd-A	10:56	15		ENG26-2-002	VIRUS	cal							Yes
virus0000014_01	Hg	10:57	15		ENG26-2-002	VIRUS	cal							Yes
0031	Dark	11:04	319.5			HPF	cal							Yes
0032	Quartz FCU	11:16	74.5			HPF	cal							Yes
0033	Quartz FCU	11:18	74.5			HPF	cal							Yes
0034	Quartz FCU	11:19	74.5			HPF	cal							Yes
0035	Quartz FCU	11:21	74.5			HPF	cal							Yes
0036	Quartz FCU	11:23	74.5			HPF	cal							Yes
0037	Quartz FCU	11:25	74.5			HPF	cal							Yes
0038	Quartz FCU	11:27	74.5			HPF	cal							Yes
0039	Alpha Bright Cal	11:29	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	11:31	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	11:33	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	11:35	85.2			HPF	cal							Yes
0043	LFC FCU	11:37	106.5			HPF	cal							Yes
0044	LFC FCU	11:40	106.5			HPF	cal							Yes
0045	LFC FCU	11:42	106.5			HPF	cal							Yes
0046	LFC FCU	11:44	106.5			HPF	cal							Yes
0047	LFC FCU	11:47	106.5			HPF	cal							Yes
0048	LFC FCU	11:49	106.5			HPF	cal							Yes
0049	LFC Cal	11:52	106.5			HPF	cal							Yes
0050	LFC Cal	11:54	106.5			HPF	cal							Yes
0051	Etalon Cal	12:02	159.8			HPF	cal							Yes
0052	Etalon Cal	12:05	159.8			HPF	cal							Yes
0053	Etalon Cal	12:08	159.8			HPF	cal							Yes
0054	Etalon Cal	12:11	159.8			HPF	cal							Yes
0055	UNe Slave Cal	12:15	426			HPF	cal							Yes
0056	UNe Slave Cal	12:23	426			HPF	cal							Yes
0057	UNe Slave Cal	12:31	426			HPF	cal							Yes
0058	UNe Slave Cal	12:38	426			HPF	cal							Yes
0059	UNe Slave Cal	12:46	426			HPF	cal							Yes
0060	UNe Slave Cal	12:54	426			HPF	cal							Yes
0050	LFC Cal	21:57	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	22:10	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:12	15			LRS2	cal							Yes
0051	Dark	22:19	319.5			HPF	cal							Yes
0052	Quartz FCU	22:25	74.5			HPF	cal							Yes
0053	Quartz FCU	22:27	74.5			HPF	cal							Yes
0054	Quartz FCU	22:29	74.5			HPF	cal							Yes
0055	Quartz FCU	22:31	74.5			HPF	cal							Yes
0056	Quartz FCU	22:32	74.5			HPF	cal							Yes
0057	Quartz FCU	22:34	74.5			HPF	cal							Yes
0058	Quartz FCU	22:36	74.5			HPF	cal							Yes
0059	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0061	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0063	LFC FCU	22:47	106.5			HPF	cal							Yes
0064	LFC FCU	22:49	106.5			HPF	cal							Yes
0065	LFC Cal	22:52	106.5			HPF	cal							Yes
0066	LFC Cal	22:54	106.5			HPF	cal							Yes
0067	Etalon Cal	22:57	159.8			HPF	cal							Yes
0068	UNe Slave Cal	23:00	426			HPF	cal							Yes
lrs20000011_01	flat_Qth_R	23:02	15			LRS2	cal							Yes
lrs20000011_02	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000011_03	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000011_04	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000011_05	flat_Qth_R	23:07	15			LRS2	cal							Yes
0069	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000012_01	flat_ldls_long_B	23:08	20			LRS2	cal							Yes
lrs20000012_02	flat_ldls_long_B	23:10	20			LRS2	cal							Yes
lrs20000012_03	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
lrs20000013_01	Cd-A_B	23:12	29			LRS2	cal							Yes
lrs20000013_02	Cd-A_B	23:14	29			LRS2	cal							Yes
lrs20000013_03	Cd-A_B	23:15	29			LRS2	cal							Yes
0070	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000014_01	FeAr_R	23:17	15			LRS2	cal							Yes
lrs20000014_02	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000014_03	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000015_01	Hg_R	23:20	20			LRS2	cal							Yes
lrs20000015_02	Hg_R	23:22	20			LRS2	cal							Yes
lrs20000015_03	Hg_R	23:23	20			LRS2	cal							Yes
0071	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000016_01	Hg_B	23:24	15			LRS2	cal							Yes
lrs20000016_02	Hg_B	23:25	15			LRS2	cal							Yes
lrs20000016_03	Hg_B	23:27	15			LRS2	cal							Yes
0072	UNe Slave Cal	23:32	426			HPF	cal							Yes
virus0000013_01	flat_ldls_long	23:33	15			VIRUS	cal							Yes
virus0000013_02	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000013_03	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000014_01	Cd-A	23:37	15			VIRUS	cal							Yes
0073	UNe Slave Cal	23:39	426			HPF	cal							Yes
virus0000014_02	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000014_03	Cd-A	23:40	15			VIRUS	cal							Yes
virus0000015_01	Hg	23:41	15			VIRUS	cal							Yes
virus0000015_02	Hg	23:43	15			VIRUS	cal							Yes
virus0000015_03	Hg	23:44	15			VIRUS	cal							Yes
lrs20000017_01	bias	23:46	0			LRS2	cal							Yes
virus0000016_01	bias	23:46	0			VIRUS	cal							Yes
lrs20000017_02	bias	23:46	0			LRS2	cal							Yes
virus0000016_02	bias	23:47	0			VIRUS	cal							Yes
lrs20000017_03	bias	23:47	0			LRS2	cal							Yes
virus0000016_03	bias	23:47	0			VIRUS	cal							Yes
lrs20000017_04	bias	23:48	0			LRS2	cal							Yes
virus0000016_04	bias	23:48	0			VIRUS	cal							Yes
lrs20000017_05	bias	23:49	0			LRS2	cal							Yes
virus0000016_05	bias	23:49	0			VIRUS	cal							Yes
lrs20000017_06	bias	23:50	0			LRS2	cal							Yes
virus0000016_06	bias	23:50	0			VIRUS	cal							Yes
lrs20000017_07	bias	23:51	0			LRS2	cal							Yes
lrs20000017_08	bias	23:51	0			LRS2	cal							Yes
virus0000016_07	bias	23:51	0			VIRUS	cal							Yes
virus0000016_08	bias	23:52	0			VIRUS	cal							Yes
lrs20000017_09	bias	23:52	0			LRS2	cal							Yes
virus0000016_09	bias	23:53	0			VIRUS	cal							Yes
lrs20000017_10	bias	23:53	0			LRS2	cal							Yes
virus0000016_10	bias	23:53	0			VIRUS	cal							Yes
lrs20000017_11	bias	23:54	0			LRS2	cal							Yes
virus0000016_11	bias	23:54	0			VIRUS	cal							Yes
lrs20000018_01	dark	23:55	360			LRS2	cal							Yes
virus0000017_01	dark	23:55	360			VIRUS	cal							Yes

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