HET Night Report Reader

Civil Date	Ephemerides
2026-07-25	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:03	02:53	03:27	10:38	11:11	12:03	-	09:10
Night Length	7:11		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Zach Vanderbosch	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
01:57	24.3	23.6	05:38	adobe	03:41
06:24	22.0	21.7	11:23	twilight	04:59
Total Time Open					8:40

Program	Night Priority	Science
03:27	Science
05:33	Idle due to weather (High particle count)
06:24	Science
08:19	Idle due to weather (Bad target coordinates for #1178)
08:29	Science
10:22	Idle due to weather (Waiting for next target track to start)
10:30	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:29	02:51	0.39	0.61	-390	-1405	23.7	23.6	23.5	154	10	First of Night
11:11	11:19	0.59	1.01	-390	-351	20.2	20.7	20.9	201	11	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear but brief closure for dust.

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	00:05	74.5			HPF	cal							Yes
0002	Quartz FCU	00:07	74.5			HPF	cal							Yes
0003	Quartz FCU	00:09	74.5			HPF	cal							Yes
0004	Quartz FCU	00:11	74.5			HPF	cal							Yes
0005	Quartz FCU	00:12	74.5			HPF	cal							Yes
0006	Quartz FCU	00:14	74.5			HPF	cal							Yes
0007	Quartz FCU	00:16	74.5			HPF	cal							Yes
0008	Alpha Bright Cal	00:18	85.2			HPF	cal							Yes
0009	Alpha Bright Cal	00:20	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:22	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:24	85.2			HPF	cal							Yes
0012	Etalon Cal	00:36	159.8			HPF	cal							Yes
0013	Etalon Cal	00:40	159.8			HPF	cal							Yes
0014	Etalon Cal	00:43	159.8			HPF	cal							Yes
0015	Etalon Cal	00:46	159.8			HPF	cal							Yes
0016	UNe Slave Cal	00:50	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:52	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:53	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:55	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:56	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:57	15			LRS2	cal							Yes
0017	UNe Slave Cal	00:58	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:58	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:00	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:01	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:02	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:04	29			LRS2	cal							Yes
0018	UNe Slave Cal	01:05	426			HPF	cal							Yes
lrs20000003_03	Cd-A_B	01:05	29			LRS2	cal							Yes
lrs20000004_01	FeAr_R	01:07	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:08	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:09	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:10	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:12	20			LRS2	cal							Yes
0019	UNe Slave Cal	01:13	426			HPF	cal							Yes
lrs20000005_03	Hg_R	01:13	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	01:14	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:15	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:17	15			LRS2	cal							Yes
0020	UNe Slave Cal	01:21	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:23	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:25	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:26	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:27	15			VIRUS	cal							Yes
0021	UNe Slave Cal	01:29	426			HPF	cal							Yes
virus0000002_02	Cd-A	01:29	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:30	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:31	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:33	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:34	15			VIRUS	cal							Yes
lrs20000007_01	dark	01:36	360			LRS2	cal							Yes
virus0000004_01	dark	01:36	360			VIRUS	cal							Yes
lrs20000007_02	dark	01:42	360			LRS2	cal							Yes
virus0000004_02	dark	01:43	360			VIRUS	cal							Yes
lrs20000007_03	dark	01:49	360			LRS2	cal							Yes
virus0000004_03	dark	01:49	360			VIRUS	cal							Yes
lrs20000008_01	skyflat	02:08	7			LRS2	cal							Yes
lrs20000009_01	skyflat	02:09	10			LRS2	cal							Yes
lrs20000010_01	skyflat	02:10	13			LRS2	cal							Yes
lrs20000011_01	skyflat	02:11	16			LRS2	cal							Yes
lrs20000012_01	skyflat	02:12	22			LRS2	cal							Yes
lrs20000013_01	skyflat	02:14	30			LRS2	cal							Yes
virus0000005_01	skyflat	02:17	7			VIRUS	cal							Yes
virus0000006_01	skyflat	02:18	10			VIRUS	cal							Yes
virus0000007_01	skyflat	02:20	14			VIRUS	cal							Yes
virus0000008_01	skyflat	02:21	18			VIRUS	cal							Yes
virus0000009_01	skyflat	02:23	26			VIRUS	cal							Yes
lrs20000014_01	dark	02:28	360			LRS2	cal							Yes
virus0000010_01	dark	02:28	360			VIRUS	cal							Yes
lrs20000014_02	dark	02:35	360			LRS2	cal							Yes
virus0000010_02	dark	02:35	360			VIRUS	cal							Yes
lrs20000014_03	dark	02:42	360			LRS2	cal							Yes
virus0000010_03	dark	02:42	360			VIRUS	cal							Yes
0022	HR5238_tell_std	03:00	117.2	7.0		HPF	telluric	1.64	1.36	19.23	0.81			Yes
virus0000011_01	parallel	03:15	6972			VIRUS	sci							Yes
lrs20000015_01	parallel	03:16	6972	13.8	UT26-2-013	LRS2-B	sci	1.67	1.19	19.56	0.95			Yes
0023	Etalon Cal	03:26	159.8			HPF	cal							Yes
0024	Etalon Cal	03:30	159.8			HPF	cal							Yes
0025	Etalon Cal	03:33	159.8			HPF	cal							Yes
0026	Etalon Cal	04:53	159.8			HPF	cal							Yes
0027	Etalon Cal	04:56	159.8			HPF	cal							Yes
0028	Etalon Cal	04:59	159.8			HPF	cal							Yes
virus0000012_01	parallel	05:17	382.3			VIRUS	sci							Yes
0029	parallel	05:18	340.8	5.3	PSU26-2-014	HPF	sci	1.65	1.10	19.14	0.92	500		Yes
0030	Etalon Cal	05:27	159.8			HPF	cal							Yes
lrs20000016_01	BD+023375_056_W	05:28	60	5.0		LRS2	spec	1.45	1.05	18.45	0.95			Yes
lrs20000017_01	BD+023375_066_W	05:32	30	3.5		LRS2	spec	1.44	0.87	18.43	0.86			Yes
lrs20000018_01	bias	05:39	0			LRS2	cal							Yes
virus0000013_01	bias	05:39	0			VIRUS	cal							Yes
lrs20000018_02	bias	05:40	0			LRS2	cal							Yes
virus0000013_02	bias	05:40	0			VIRUS	cal							Yes
lrs20000018_03	bias	05:41	0			LRS2	cal							Yes
virus0000013_03	bias	05:41	0			VIRUS	cal							Yes
lrs20000018_04	bias	05:41	0			LRS2	cal							Yes
virus0000013_04	bias	05:42	0			VIRUS	cal							Yes
lrs20000018_05	bias	05:42	0			LRS2	cal							Yes
virus0000013_05	bias	05:42	0			VIRUS	cal							Yes
lrs20000018_06	bias	05:43	0			LRS2	cal							Yes
virus0000013_06	bias	05:43	0			VIRUS	cal							Yes
lrs20000018_07	bias	05:44	0			LRS2	cal							Yes
virus0000013_07	bias	05:44	0			VIRUS	cal							Yes
lrs20000018_08	bias	05:45	0			LRS2	cal							Yes
virus0000013_08	bias	05:45	0			VIRUS	cal							Yes
lrs20000018_09	bias	05:46	0			LRS2	cal							Yes
virus0000013_09	bias	05:46	0			VIRUS	cal							Yes
lrs20000018_10	bias	05:47	0			LRS2	cal							Yes
lrs20000018_11	bias	05:47	0			LRS2	cal							Yes
virus0000013_10	bias	05:47	0			VIRUS	cal							Yes
virus0000013_11	bias	05:48	0			VIRUS	cal							Yes
0031	Etalon Cal	06:13	159.8			HPF	cal							Yes
0032	Etalon Cal	06:16	159.8			HPF	cal							Yes
0033	Etalon Cal	06:19	159.8			HPF	cal							Yes
virus0000014_01	parallel	06:30	1401.4			VIRUS	sci							Yes
0034	parallel	06:31	308.9	6.9	UT26-2-004	HPF	sci	1.60	1.20	19.24	0.86	165		P4
0035	parallel	06:36	308.9	-0.1	UT26-2-004	HPF	sci	1.60	1.02	19.24	0.86	171		P4
0036	parallel	06:42	308.9	0.9	UT26-2-004	HPF	sci	1.56	1.00	19.27	0.86	171		P4
0037	parallel	06:48	308.9	0.9	UT26-2-004	HPF	sci	1.55	0.92	19.30	0.84	166		P4
virus0000015_01	parallel	06:57	1000			VIRUS	sci							Yes
0038	parallel	06:58	969.1	4.8	UT26-2-007	HPF	sci	1.57	0.97	19.60	0.78	36		P4
0039	parallel	07:21	969.1	6.8	UT26-2-007	HPF	sci	1.55	0.91	19.40	0.86	5		P4
virus0000016_01	parallel	07:21	1000			VIRUS	sci							Yes
0040	parallel	07:44	969.1	6.8	UT26-2-007	HPF	sci	1.60	0.89	19.27	0.99	258		P4
virus0000017_01	parallel	07:44	1000			VIRUS	sci							Yes
lrs20000019_01	parallel	08:07	180	7.0	UT26-2-017	LRS2-B	sci	1.67	0.89	19.79	0.80			P4
virus0000018_01	parallel	08:13	360			VIRUS	sci							Yes
lrs20000020_01	parallel	08:13	360	3.0	UT26-2-017	LRS2-R	sci	1.69	0.74	19.69	0.64			P4
virus0000019_01	parallel	08:33	914.8			VIRUS	sci							Yes
0041	parallel	08:34	884	5.3	UT26-2-007	HPF	sci	1.48	0.95	19.52	0.92	362		P4
virus0000020_01	parallel	08:54	900			VIRUS	sci							Yes
lrs20000021_01	parallel	08:54	900	5.0	PSU26-2-004	LRS2-B	sci	1.80	1.28	20.55	0.85			Yes
virus0000021_01	parallel	09:14	900			VIRUS	sci							Yes
lrs20000022_01	parallel	09:14	900	5.0	PSU26-2-004	LRS2-B	sci	2.08	1.73	21.14	0.85			Yes
virus0000021_02	parallel	09:30	900			VIRUS	sci							Yes
lrs20000022_02	parallel	09:30	900	1.0	PSU26-2-004	LRS2-B	sci	1.99	1.23	21.26	0.84			Yes
0042	parallel	09:50	915.9	4.7	PSU26-2-007	HPF	sci	1.95	1.68	20.60	0.85	112		Yes
virus0000022_01	parallel	09:50	1914.8			VIRUS	sci							Yes
0043	parallel	10:06	915.9	1.7	PSU26-2-007	HPF	sci	1.93	1.52	20.50	0.85	103		Yes
virus0000023_01	parallel	10:36	600			VIRUS	sci							Yes
lrs20000023_01	parallel	10:37	600	7.0	UT26-2-017	LRS2-B	sci	2.24	1.69	21.53	0.80			Yes
virus0000024_01	parallel	10:50	1200			VIRUS	sci							Yes
lrs20000024_01	parallel	10:51	1200	4.0	UT26-2-017	LRS2-R	sci	1.86	1.17	20.55	1.04			Yes
lrs20000025_01	bias	11:12	0			LRS2	cal							Yes
virus0000025_01	bias	11:12	0			VIRUS	cal							Yes
virus0000026_01	Cd-A	11:16	15		ENG26-2-002	VIRUS	cal							Yes
virus0000027_01	Hg	11:18	15		ENG26-2-002	VIRUS	cal							Yes
0044	Dark	11:36	319.5			HPF	cal							Yes
0045	Quartz FCU	11:47	74.5			HPF	cal							Yes
0046	Quartz FCU	11:49	74.5			HPF	cal							Yes
0047	Quartz FCU	11:51	74.5			HPF	cal							Yes
0048	Quartz FCU	11:52	74.5			HPF	cal							Yes
0049	Quartz FCU	11:54	74.5			HPF	cal							Yes
0050	Quartz FCU	11:56	74.5			HPF	cal							Yes
0051	Quartz FCU	11:58	74.5			HPF	cal							Yes
0052	Alpha Bright Cal	12:00	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	12:02	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0056	Etalon Cal	12:19	159.8			HPF	cal							Yes
0057	Etalon Cal	12:22	159.8			HPF	cal							Yes
0058	Etalon Cal	12:25	159.8			HPF	cal							Yes
0059	Etalon Cal	12:28	159.8			HPF	cal							Yes
0060	UNe Slave Cal	12:32	852			HPF	cal							Yes
0061	UNe Slave Cal	12:47	852			HPF	cal							Yes
0062	UNe Slave Cal	13:02	852			HPF	cal							Yes
lrs20009900_01	bias	23:44	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:45	20			VIRUS	cal							Yes
virus0009901_01	bias	23:46	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:47	20			LRS2	cal							Yes
virus0009902_01	dark	23:48	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:49	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:51	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:52	15			LRS2	cal							Yes
0062	Etalon Cal	23:55	159.8			HPF	cal							Yes
0063	Dark	23:59	319.5			HPF	cal							Yes

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