HET Night Report Reader

Civil Date	Ephemerides
2026-02-26	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:59	01:44	02:12	12:04	12:32	13:18	-	10:48
Night Length	9:52		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	Aiden Dillard

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:52	19.0	16.2	12:44	twilight	11:52
Total Time Open					11:52

Program	Night Priority	Science
02:12	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:25	01:42				-6282	18.2	16.8	16.6	270	9	First of Night
12:28	12:42	0.82	1.29	-70	-4700	15.0	15.5	15.7	301	8	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:28-01:28	00:00	pistoned 4:7 by +20

TO Comments	Clear all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	UNe Slave Cal	00:02	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:03	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:05	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:06	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:07	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:08	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:09	20			LRS2	cal							Yes
0002	UNe Slave Cal	00:10	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:11	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:12	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:13	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:15	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:16	29			LRS2	cal							Yes
0003	UNe Slave Cal	00:18	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:18	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:19	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:20	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:21	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:23	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:24	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:25	15			LRS2	cal							Yes
0004	UNe Slave Cal	00:26	426			HPF	cal							Yes
lrs20000006_02	Hg_B	00:27	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:28	15			LRS2	cal							Yes
0005	UNe Slave Cal	00:34	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:34	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:36	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:37	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:39	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:40	15			VIRUS	cal							Yes
0006	UNe Slave Cal	00:41	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:41	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:43	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:44	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:46	15			VIRUS	cal							Yes
0007	twilight	00:56	298.2			HPF	cal					503		Yes
lrs20000007_01	skyflat	01:04	7			LRS2	cal							Yes
lrs20000008_01	skyflat	01:05	10			LRS2	cal							Yes
lrs20000009_01	skyflat	01:06	13			LRS2	cal							Yes
lrs20000010_01	skyflat	01:07	16			LRS2	cal							Yes
lrs20000011_01	skyflat	01:08	22			LRS2	cal							Yes
lrs20000012_01	skyflat	01:10	30			LRS2	cal							Yes
virus0000004_01	skyflat	01:12	7			VIRUS	cal							Yes
virus0000005_01	skyflat	01:14	10			VIRUS	cal							Yes
virus0000006_01	skyflat	01:15	14			VIRUS	cal							Yes
virus0000007_01	skyflat	01:16	18			VIRUS	cal							Yes
virus0000008_01	skyflat	01:18	26			VIRUS	cal							Yes
0008	QID 1515	01:48	330.2	6.5	UT26-1-010	HPF	sci	1.57	0.70	18.78	0.84	347		Yes
virus0000009_01	parallel	01:48	2203			VIRUS	sci							Yes
0009	QID 1515	01:54	330.2	0.5	UT26-1-010	HPF	sci	1.44	0.74	19.16	0.83	355		Yes
0010	QID 1515	02:00	330.2	0.5	UT26-1-010	HPF	sci	1.31	0.76	19.29	0.80	348		Yes
0011	QID 1515	02:07	330.2	0.5	UT26-1-010	HPF	sci	1.24	0.81	19.33	0.79	333		Yes
0012	QID 1515	02:13	330.2	0.5	UT26-1-010	HPF	sci	1.25	0.83	19.33	0.77	303		Yes
0013	QID 1515	02:19	330.2	0.5	UT26-1-010	HPF	sci	1.22	0.98	19.24	0.76	282		Yes
0014	LFC Cal	02:26	106.5			HPF	cal							Yes
virus0000010_01	parallel	02:30	2047			VIRUS	sci							Yes
0015	QID 2689	02:31	969.1	6.8	UT26-1-003	HPF	sci	1.53	1.04	19.15	0.90	32		P4
0016	QID 2689	02:48	969.1	0.8	UT26-1-003	HPF	sci	1.66	0.94	19.05	0.88	28		P4
0017	QID 2636	03:14	649.6	10.2	UT26-1-003	HPF	sci	1.72	1.39	18.98	0.88	108		P4
virus0000011_01	parallel	03:14	2083			VIRUS	sci							Yes
0018	QID 2636	03:26	649.6	1.2	UT26-1-003	HPF	sci	1.73	1.28	18.97	0.87	110		P4
0019	QID 2636	03:37	649.6	0.2	UT26-1-003	HPF	sci	1.73	1.04	19.02	0.78	97		P4
0020	LFC Cal	03:50	106.5			HPF	cal							Yes
virus0000012_01	parallel	03:54	1984			VIRUS	sci							Yes
0021	QID 2547	03:55	617.7	6.7	UT26-1-007	HPF	sci	1.70	1.32	18.43	0.89	64		Yes
0022	QID 2547	04:06	617.7	0.7	UT26-1-007	HPF	sci	1.80	1.10	18.82	0.89	66		Yes
0023	QID 2547	04:17	617.7	0.7	UT26-1-007	HPF	sci	1.74	1.37	18.91	0.91	62		Yes
0024	LFC Cal	04:29	106.5			HPF	cal							Yes
0025	QID 2551	04:34	969.1	6.8	PSU26-1-019	HPF	sci	1.64	1.46	19.64	0.71	196		Yes
virus0000013_01	parallel	04:34	2047			VIRUS	sci							Yes
0026	QID 2551	04:51	969.1	0.8	PSU26-1-019	HPF	sci	1.45	0.96	19.81	0.75	219		Yes
0027	LFC Cal	05:09	106.5			HPF	cal							Yes
0028	HR4227_tell_std	05:16	117.2	9.0		HPF	telluric	1.65	0.97	19.53	0.91			Yes
0029	QID 2713	05:23	969.1	4.8	UT26-1-003	HPF	sci	1.37	0.69	19.26	0.67	32		P4
virus0000014_01	parallel	05:23	2047			VIRUS	sci							Yes
0030	QID 2713	05:40	969.1	0.8	UT26-1-003	HPF	sci	1.58	0.80	19.64	0.73	30		P4
virus0000015_01	parallel	06:01	2047			VIRUS	sci							Yes
0031	QID 403	06:02	969.1	5.8	UT26-1-003	HPF	sci	1.39	0.80	19.33	0.95	34		Yes
0032	QID 403	06:19	969.1	0.8	UT26-1-003	HPF	sci	1.42	0.90	19.79	1.00	39		Yes
0033	QID 2768	06:42	969.1	7.8	UT26-1-014	HPF	sci	1.48	0.87	19.42	0.79	395		P4
virus0000016_01	parallel	06:42	1023			VIRUS	sci							Yes
0034	LFC Cal	07:00	106.5			HPF	cal							Yes
virus0000017_01	parallel	07:03	1023			VIRUS	sci							Yes
0035	QID 2769	07:04	969.1	4.8	UT26-1-014	HPF	sci	1.41	0.93	19.94	0.83	415		P4
0036	LFC Cal	07:21	106.5			HPF	cal							Yes
0037	QID 330	07:26	308.9	6.9	UT26-1-007	HPF	sci	1.21	0.91	20.01	0.81	162		P4
virus0000018_01	parallel	07:26	1060			VIRUS	sci							Yes
0038	QID 330	07:32	308.9	-0.1	UT26-1-007	HPF	sci	1.24	1.24	20.01	0.83	172		P4
0039	QID 330	07:38	308.9	0.9	UT26-1-007	HPF	sci	1.28	0.95	20.01	0.82	163		P4
0040	QID 2697	07:48	969.1	4.8	UT26-1-003	HPF	sci	1.32	1.27	19.34	0.69	59		P4
virus0000019_01	parallel	07:48	2047			VIRUS	sci							Yes
0041	QID 2697	08:05	969.1	1.8	UT26-1-003	HPF	sci	1.31	0.94	19.86	0.74	70		P4
virus0000020_01	parallel	08:26	2047			VIRUS	sci							Yes
0042	QID 2700	08:27	969.1	4.8	UT26-1-003	HPF	sci	1.38	1.13	19.90	0.79	17		P4
0043	QID 2700	08:44	969.1	0.8	UT26-1-003	HPF	sci	1.47	1.11	19.95	0.79	15		P4
0044	LFC Cal	09:05	106.5			HPF	cal							Yes
lrs20000013_01	QID 2911	09:05	180	5.0	UT26-1-016	LRS2-B	sci	1.82	1.05	20.02	0.74			P4
0045	LFC Cal	09:11	106.5			HPF	cal							Yes
lrs20000014_01	QID 2912	09:11	360	3.0	UT26-1-016	LRS2-R	sci	1.40	1.08	19.93	0.76			P4
virus0000021_01	parallel	09:11	360			VIRUS	sci							Yes
0046	LFC Cal	09:14	106.5			HPF	cal							Yes
lrs20000015_01	FEIGE34_056_W	09:24	60	7.0		LRS2	spec	1.37	1.09	19.37	0.99			Yes
0047	QID 1886	09:31	969.1	5.8	UT26-1-003	HPF	sci	1.53	1.07	19.18	0.95	23		Yes
virus0000022_01	parallel	09:31	2047			VIRUS	sci							Yes
0048	QID 1886	09:48	969.1	0.8	UT26-1-003	HPF	sci	1.54	0.96	19.72	1.07	26		Yes
virus0000023_01	parallel	10:11	3309			VIRUS	sci							Yes
0049	QID 1113	10:12	766.8	8.2	UT26-1-006	HPF	sci	1.25	0.95	19.52	0.86	93		Yes
0050	QID 1113	10:25	766.8	0.2	UT26-1-006	HPF	sci	1.24	0.94	19.77	0.79	98		Yes
0051	QID 1113	10:39	766.8	1.2	UT26-1-006	HPF	sci	1.23	0.83	20.02	0.71	86		Yes
0052	QID 1113	10:53	766.8	0.2	UT26-1-006	HPF	sci	1.25	0.94	20.26	0.68		Exposure cut short due to reaching the end of track.	No
lrs20000016_01	parallel	11:05	360			LRS2	sci							Yes
virus0000024_01	QID 1969	11:05	360	0.0	UT26-1-008	VIRUS	sci	1.28	0.93	21.92	0.90		Last exposure cut 20 seconds short, reached end of track.	No
0053	LFC Cal	11:06	106.5			HPF	cal							Yes
0054	LFC Cal	11:09	106.5			HPF	cal							Yes
lrs20000016_02	parallel	11:12	360			LRS2	sci							Yes
virus0000024_02	QID 1969	11:12	360	1.0	UT26-1-008	VIRUS	sci	1.22	0.99	21.93	0.95			No
lrs20000016_03	parallel	11:20	360			LRS2	sci							Yes
virus0000024_03	QID 1969	11:20	360	2.0	UT26-1-008	VIRUS	sci	1.21	1.11	21.84	1.00			No
0055	QID 1867	11:30	969.1	4.8	PSU26-1-007	HPF	sci	1.36	0.99	20.27	0.87	50		P4
virus0000025_01	parallel	11:30	1023			VIRUS	sci							Yes
0056	LFC Cal	11:48	106.5			HPF	cal							Yes
virus0000026_01	parallel	11:52	2047			VIRUS	sci							Yes
0057	QID 1504	11:53	969.1	5.8	UT26-1-010	HPF	sci	1.49	1.03	20.14	0.88	89		Yes
0058	QID 1504	12:10	969.1	0.8	UT26-1-010	HPF	sci	1.45	1.03	19.85	0.90	105		Yes
0059	LFC Cal	12:28	106.5			HPF	cal							Yes
lrs20000017_01	bias	12:29	0			LRS2	cal							Yes
virus0000027_01	bias	12:30	0			VIRUS	cal							Yes
virus0000028_01	Cd-A	12:34	15		ENG26-1-002	VIRUS	cal							Yes
virus0000029_01	Hg	12:35	15		ENG26-1-002	VIRUS	cal							Yes
0060	Dark	12:45	319.5			HPF	cal							Yes
0061	Quartz FCU	12:56	74.5			HPF	cal							Yes
0062	Quartz FCU	12:58	74.5			HPF	cal							Yes
0063	Quartz FCU	13:00	74.5			HPF	cal							Yes
0064	Quartz FCU	13:02	74.5			HPF	cal							Yes
0065	Quartz FCU	13:04	74.5			HPF	cal							Yes
0066	Quartz FCU	13:05	74.5			HPF	cal							Yes
0067	Quartz FCU	13:07	74.5			HPF	cal							Yes
0068	Alpha Bright Cal	13:09	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	13:11	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	13:13	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	13:15	85.2			HPF	cal							Yes
0072	LFC FCU	13:18	106.5			HPF	cal							Yes
0073	LFC FCU	13:20	106.5			HPF	cal							Yes
0074	LFC FCU	13:23	106.5			HPF	cal							Yes
0075	LFC FCU	13:25	106.5			HPF	cal							Yes
0076	LFC FCU	13:27	106.5			HPF	cal							Yes
0077	LFC FCU	13:29	106.5			HPF	cal							Yes
0078	LFC Cal	13:32	106.5			HPF	cal							Yes
0079	LFC Cal	13:35	106.5			HPF	cal							Yes
lrs20000018_01	bias	13:36	0			LRS2	cal							Yes
virus0000030_01	bias	13:36	0			VIRUS	cal							Yes
lrs20000018_02	bias	13:37	0			LRS2	cal							Yes
lrs20000018_03	bias	13:37	0			LRS2	cal							Yes
virus0000030_02	bias	13:37	0			VIRUS	cal							Yes
virus0000030_03	bias	13:38	0			VIRUS	cal							Yes
lrs20000018_04	bias	13:38	0			LRS2	cal							Yes
virus0000030_04	bias	13:38	0			VIRUS	cal							Yes
lrs20000018_05	bias	13:39	0			LRS2	cal							Yes
virus0000030_05	bias	13:39	0			VIRUS	cal							Yes
lrs20000018_06	bias	13:40	0			LRS2	cal							Yes
virus0000030_06	bias	13:40	0			VIRUS	cal							Yes
lrs20000018_07	bias	13:41	0			LRS2	cal							Yes
virus0000030_07	bias	13:41	0			VIRUS	cal							Yes
lrs20000018_08	bias	13:42	0			LRS2	cal							Yes
0080	Etalon Cal	13:42	159.8			HPF	cal							Yes
virus0000030_08	bias	13:42	0			VIRUS	cal							Yes
lrs20000018_09	bias	13:43	0			LRS2	cal							Yes
lrs20000018_10	bias	13:43	0			LRS2	cal							Yes
virus0000030_09	bias	13:43	0			VIRUS	cal							Yes
virus0000030_10	bias	13:44	0			VIRUS	cal							Yes
lrs20000018_11	bias	13:44	0			LRS2	cal							Yes
virus0000030_11	bias	13:45	0			VIRUS	cal							Yes
lrs20000019_01	dark	13:45	360			LRS2	cal							Yes
virus0000031_01	dark	13:45	360			VIRUS	cal							Yes
0081	Etalon Cal	13:46	159.8			HPF	cal							Yes
0082	Etalon Cal	13:49	159.8			HPF	cal							Yes
0083	Etalon Cal	13:52	159.8			HPF	cal							Yes
lrs20000019_02	dark	13:52	360			LRS2	cal							Yes
virus0000031_02	dark	13:52	360			VIRUS	cal							Yes
0084	UNe Slave Cal	13:56	426			HPF	cal							Yes
lrs20000019_03	dark	13:59	360			LRS2	cal							Yes
virus0000031_03	dark	13:59	360			VIRUS	cal							Yes
0085	UNe Slave Cal	14:03	426			HPF	cal							Yes
0086	UNe Slave Cal	14:11	426			HPF	cal							Yes
0087	UNe Slave Cal	14:19	426			HPF	cal							Yes
0088	UNe Slave Cal	14:27	426			HPF	cal							Yes
0089	UNe Slave Cal	14:34	426			HPF	cal							Yes
0075	LFC Cal	22:22	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:34	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:35	20			VIRUS	cal							Yes
virus0009901_01	bias	22:36	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:37	20			LRS2	cal							Yes
virus0009902_01	dark	22:38	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:39	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:41	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:42	15			LRS2	cal							Yes
0076	Dark	23:21	319.5			HPF	cal							Yes
0077	Quartz FCU	23:27	74.5			HPF	cal							Yes
0078	Quartz FCU	23:29	74.5			HPF	cal							Yes
0079	Quartz FCU	23:31	74.5			HPF	cal							Yes
0080	Quartz FCU	23:33	74.5			HPF	cal							Yes
0081	Quartz FCU	23:34	74.5			HPF	cal							Yes
0082	Quartz FCU	23:36	74.5			HPF	cal							Yes
0083	Quartz FCU	23:38	74.5			HPF	cal							Yes
0084	Alpha Bright Cal	23:40	85.2			HPF	cal							Yes
0085	Alpha Bright Cal	23:42	85.2			HPF	cal							Yes
0086	Alpha Bright Cal	23:44	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	23:46	85.2			HPF	cal							Yes
0088	LFC FCU	23:49	106.5			HPF	cal							Yes
0089	LFC FCU	23:51	106.5			HPF	cal							Yes
0090	LFC Cal	23:54	106.5			HPF	cal							Yes
0091	LFC Cal	23:56	106.5			HPF	cal							Yes
0092	Etalon Cal	23:59	159.8			HPF	cal							Yes