HET Night Report Reader

Civil Date	Ephemerides
2026-04-05	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:25	02:10	02:39	11:16	11:45	12:32	05:07	-
Night Length	8:37		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Aiden Dillard Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:27	5.2	8.6	11:55	twilight	10:28
Total Time Open					10:28

Program	Night Priority	Science
02:39	Idle due to weather (Clouds)
03:59	Science
04:10	Idle due to weather (Clouds)
04:20	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:51	02:26	0.56	0.86	90	-962	5.1	5.9	6.5	111	13	First of Night
08:06	08:34	1.15	1.55	60	-517	5.1	5.5	5.3	139	11	Stack/Re-stack
11:51	11:54	0.62	0.93	20	-404	4.2	5.2	5.3	111	11	Post-Observing

Problem Reports					no PRs

TO Comments	none

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	LFC Cal	00:01	106.5			HPF	cal							Yes
0002	LFC Cal	00:03	106.5			HPF	cal							Yes
0003	Etalon Cal	00:06	159.8			HPF	cal							Yes
0004	UNe Slave Cal	00:10	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:11	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:13	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:14	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:15	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:16	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:17	20			LRS2	cal							Yes
0005	UNe Slave Cal	00:18	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:19	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:20	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:21	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:23	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:24	29			LRS2	cal							Yes
0006	UNe Slave Cal	00:25	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:26	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:27	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:28	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:29	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:31	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:32	20			LRS2	cal							Yes
0007	UNe Slave Cal	00:33	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:33	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:34	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:36	15			LRS2	cal							Yes
0008	UNe Slave Cal	00:41	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:42	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:44	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:45	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:46	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:48	15			VIRUS	cal							Yes
0009	UNe Slave Cal	00:49	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:49	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:51	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:52	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:53	15			VIRUS	cal							Yes
lrs20000007_01	dark	00:55	360			LRS2	cal							Yes
virus0000004_01	dark	00:55	360			VIRUS	cal							Yes
lrs20000007_02	dark	01:01	360			LRS2	cal							Yes
virus0000004_02	dark	01:02	360			VIRUS	cal							Yes
lrs20000007_03	dark	01:08	360			LRS2	cal							Yes
virus0000004_03	dark	01:08	360			VIRUS	cal							Yes
lrs20000008_01	skyflat	01:30	7			LRS2	cal							Yes
lrs20000009_01	skyflat	01:31	10			LRS2	cal							Yes
lrs20000010_01	skyflat	01:32	13			LRS2	cal							Yes
lrs20000011_01	skyflat	01:33	16			LRS2	cal							Yes
lrs20000012_01	skyflat	01:35	22			LRS2	cal							Yes
lrs20000013_01	skyflat	01:36	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:39	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:40	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:41	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:43	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:44	26			VIRUS	cal							Yes
lrs20000014_01	bias	02:05	0			LRS2	cal							Yes
virus0000010_01	bias	02:05	0			VIRUS	cal							Yes
lrs20000014_02	bias	02:05	0			LRS2	cal							Yes
virus0000010_02	bias	02:06	0			VIRUS	cal							Yes
lrs20000014_03	bias	02:06	0			LRS2	cal							Yes
virus0000010_03	bias	02:06	0			VIRUS	cal							Yes
lrs20000014_04	bias	02:07	0			LRS2	cal							Yes
virus0000010_04	bias	02:07	0			VIRUS	cal							Yes
lrs20000014_05	bias	02:08	0			LRS2	cal							Yes
virus0000010_05	bias	02:08	0			VIRUS	cal							Yes
lrs20000014_06	bias	02:09	0			LRS2	cal							Yes
virus0000010_06	bias	02:09	0			VIRUS	cal							Yes
lrs20000014_07	bias	02:10	0			LRS2	cal							Yes
virus0000010_07	bias	02:10	0			VIRUS	cal							Yes
lrs20000014_08	bias	02:11	0			LRS2	cal							Yes
virus0000010_08	bias	02:11	0			VIRUS	cal							Yes
lrs20000014_09	bias	02:11	0			LRS2	cal							Yes
virus0000010_09	bias	02:12	0			VIRUS	cal							Yes
lrs20000014_10	bias	02:12	0			LRS2	cal							Yes
virus0000010_10	bias	02:13	0			VIRUS	cal							Yes
lrs20000014_11	bias	02:13	0			LRS2	cal							Yes
virus0000010_11	bias	02:13	0			VIRUS	cal							Yes
lrs20000015_01	parallel	02:36	300			LRS2	sci							Yes
virus0000011_01	QID 53	02:36	300	6.0	M26-2-004	VIRUS	sci	2.16		21.69	0.60		Thick clouds rolled in during second exposure.	No
0010	LFC Cal	02:37	106.5			HPF	cal							Yes
0011	LFC Cal	02:39	106.5			HPF	cal							Yes
0012	LFC Cal	02:44	106.5			HPF	cal							Yes
lrs20000016_01	parallel	02:44	300			LRS2	sci							Yes
virus0000012_01	QID 54	02:44	300	3.0	M26-2-004	VIRUS	sci	1.80		21.65	0.17			No
0013	LFC Cal	02:46	106.5			HPF	cal							Yes
0014	LFC Cal	03:07	106.5			HPF	cal							Yes
0015	LFC Cal	03:09	106.5			HPF	cal							Yes
0016	LFC Cal	03:12	106.5			HPF	cal							Yes
lrs20000017_01	BD+541216_056_W	04:06	60	7.0		LRS2	spec	1.79		21.77	0.92			Yes
lrs20000018_01	BD+541216_066_W	04:09	30	2.5		LRS2	spec	1.79		20.70	1.03			Yes
lrs20000019_01	parallel	04:27	360			LRS2	sci							Yes
virus0000013_01	QID 549	04:27	360	7.0	UT26-2-016	VIRUS	sci	2.00		21.86	0.80			Yes
0017	LFC Cal	04:28	106.5			HPF	cal							Yes
0018	LFC Cal	04:30	106.5			HPF	cal							Yes
lrs20000019_02	parallel	04:35	360			LRS2	sci							Yes
virus0000013_02	QID 549	04:35	360	2.0	UT26-2-016	VIRUS	sci	2.14		21.87	0.80			Yes
lrs20000019_03	parallel	04:42	360			LRS2	sci							Yes
virus0000013_03	QID 549	04:42	360	1.0	UT26-2-016	VIRUS	sci	2.16		21.85	0.81			Yes
virus0000014_01	parallel	04:57	1200			VIRUS	sci							Yes
0019	LFC Cal	04:58	106.5			HPF	cal							Yes
lrs20000020_01	QID 467	04:58	1200	10.0	UT26-2-008	LRS2-B	sci	1.90		21.26	0.80			Yes
0020	LFC Cal	05:00	106.5			HPF	cal							Yes
0021	LFC Cal	05:02	106.5			HPF	cal							Yes
0022	QID 677	05:24	969.1	5.8	UT26-2-007	HPF	sci	1.89		19.54	0.96	24	Accidentally observed target when image quality was inadequate.	No
virus0000015_01	parallel	05:24	2047			VIRUS	sci							Yes
0023	QID 677	05:41	969.1	1.8	UT26-2-007	HPF	sci	1.80		19.31	1.01	22		No
0024	QID 161	06:06	255.6	7.7	UT26-2-011	HPF	sci	2.27		19.90	1.14	229		Yes
virus0000016_01	parallel	06:18	1023			VIRUS	sci							Yes
0025	QID 117	06:19	969.1	8.8	UT26-2-019	HPF	sci	2.19		20.27	1.03	276		Yes
0026	LFC Cal	06:37	106.5			HPF	cal							Yes
0027	QID 165	06:42	138.5	7.7	UT26-2-011	HPF	sci	2.25		19.95	1.16	300		Yes
virus0000017_01	parallel	06:52	396			VIRUS	sci							Yes
0028	QID 154	06:53	351.4	8.1	UT26-2-011	HPF	sci	2.24		19.98	1.12	131		Yes
0029	QID 164	07:06	234.3	7.1	UT26-2-011	HPF	sci	2.24		19.51	1.11	146		Yes
0030	HR5018_tell_std	07:18	330.2	7.5		HPF	telluric	2.10		20.12	1.03			Yes
0031	QID 673	07:32	969.1	9.8	PSU26-2-013	HPF	sci	2.10		20.35	1.16	202		Yes
virus0000018_01	parallel	07:32	2047			VIRUS	sci							Yes
0032	QID 673	07:49	969.1	0.8	PSU26-2-013	HPF	sci	2.13		20.32	1.16	199		Yes
0033	LFC Cal	08:07	106.5			HPF	cal							Yes
virus0000019_01	parallel	08:40	572			VIRUS	sci							Yes
0034	QID 168	08:41	521.9	6.3	UT26-2-011	HPF	sci	1.34		19.38	0.96	193		Yes
0035	QID 170	08:56	170.4	7.2	UT26-2-011	HPF	sci	1.59		19.25	1.18	366		Yes
0036	QID 77	09:06	42.6	7.3	UT26-2-019	HPF	sci	2.37		18.77	1.46	431		Yes
0037	LFC Cal	09:08	106.5			HPF	cal							Yes
virus0000020_01	parallel	09:15	1959			VIRUS	sci							Yes
0038	QID 478	09:16	915.9	8.7	G26-2-002	HPF	sci	1.31		19.77	0.92	51		Yes
0039	QID 478	09:32	915.9	0.7	G26-2-002	HPF	sci	1.31		19.71	0.89	45		Yes
0040	LFC Cal	09:49	106.5			HPF	cal							Yes
0041	QID 97	09:53	969.1	6.8	UT26-2-019	HPF	sci	1.67		20.32	1.16	496		Yes
virus0000021_01	parallel	09:53	1023			VIRUS	sci							Yes
0042	LFC Cal	10:11	106.5			HPF	cal							Yes
virus0000022_01	parallel	10:17	407			VIRUS	sci							Yes
0043	QID 177	10:18	362.1	8.0	UT26-2-011	HPF	sci	1.48		18.21	1.20	143		Yes
0044	LFC Cal	10:30	106.5			HPF	cal							Yes
virus0000023_01	parallel	10:30	300			VIRUS	sci							Yes
lrs20000021_01	QID 423	10:30	300	6.0	UT26-2-017	LRS2-B	sci	1.43		19.58	0.91			Yes
0045	LFC Cal	10:33	106.5			HPF	cal							Yes
virus0000024_01	parallel	10:40	600			VIRUS	sci							Yes
lrs20000022_01	QID 424	10:40	600	5.0	UT26-2-017	LRS2-R	sci	1.29		19.43	1.05			Yes
0046	LFC Cal	10:41	106.5			HPF	cal							Yes
0047	LFC Cal	10:43	106.5			HPF	cal							Yes
0048	LFC Cal	10:45	106.5			HPF	cal							Yes
virus0000025_01	parallel	10:57	2047			VIRUS	sci							Yes
0049	QID 676	10:58	969.1	7.8	UT26-2-007	HPF	sci	1.36		19.48	0.95	25		Yes
0050	QID 676	11:15	969.1	0.8	UT26-2-007	HPF	sci	1.33		19.46	0.86	27		Yes
virus0000026_01	bias	11:54	0			VIRUS	cal							Yes
virus0000027_01	Cd-A	11:59	15		ENG26-2-002	VIRUS	cal							Yes
virus0000028_01	Hg	12:00	15		ENG26-2-002	VIRUS	cal							Yes
lrs20000023_01	bias	12:08	0			LRS2	cal							Yes
0051	Dark	12:14	319.5			HPF	cal							Yes
0052	Quartz FCU	12:26	74.5			HPF	cal							Yes
0053	Quartz FCU	12:27	74.5			HPF	cal							Yes
0054	Quartz FCU	12:29	74.5			HPF	cal							Yes
0055	Quartz FCU	12:31	74.5			HPF	cal							Yes
0056	Quartz FCU	12:33	74.5			HPF	cal							Yes
0057	Quartz FCU	12:35	74.5			HPF	cal							Yes
0058	Quartz FCU	12:36	74.5			HPF	cal							Yes
0059	Alpha Bright Cal	12:39	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	12:41	85.2			HPF	cal							Yes
0061	Alpha Bright Cal	12:43	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	12:45	85.2			HPF	cal							Yes
0063	LFC FCU	12:47	106.5			HPF	cal							Yes
0064	LFC FCU	12:50	106.5			HPF	cal							Yes
0065	LFC FCU	12:52	106.5			HPF	cal							Yes
0066	LFC FCU	12:54	106.5			HPF	cal							Yes
0067	LFC FCU	12:56	106.5			HPF	cal							Yes
0068	LFC FCU	12:59	106.5			HPF	cal							Yes
0069	LFC Cal	13:02	106.5			HPF	cal							Yes
0070	LFC Cal	13:04	106.5			HPF	cal							Yes
0071	Etalon Cal	13:12	159.8			HPF	cal							Yes
0072	Etalon Cal	13:15	159.8			HPF	cal							Yes
0073	Etalon Cal	13:18	159.8			HPF	cal							Yes
0074	Etalon Cal	13:21	159.8			HPF	cal							Yes
0075	UNe Slave Cal	13:25	426			HPF	cal							Yes
0076	UNe Slave Cal	13:33	426			HPF	cal							Yes
0077	UNe Slave Cal	13:40	426			HPF	cal							Yes
0078	UNe Slave Cal	13:48	426			HPF	cal							Yes
0079	UNe Slave Cal	13:56	426			HPF	cal							Yes
0080	UNe Slave Cal	14:04	426			HPF	cal							Yes
lrs20009900_01	bias	23:17	0			LRS2	cal							Yes
0069	LFC Cal	23:17	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	23:18	20			VIRUS	cal							Yes
virus0009901_01	bias	23:19	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:20	20			LRS2	cal							Yes
virus0009902_01	dark	23:21	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:22	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:25	15			LRS2	cal							Yes
0070	Dark	23:28	319.5			HPF	cal							Yes
0071	Quartz FCU	23:34	74.5			HPF	cal							Yes
0072	Quartz FCU	23:36	74.5			HPF	cal							Yes
0073	Quartz FCU	23:38	74.5			HPF	cal							Yes
0074	Quartz FCU	23:40	74.5			HPF	cal							Yes
0075	Quartz FCU	23:42	74.5			HPF	cal							Yes
0076	Quartz FCU	23:43	74.5			HPF	cal							Yes
0077	Quartz FCU	23:45	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	23:47	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	23:49	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	23:51	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	23:53	85.2			HPF	cal							Yes
0082	LFC FCU	23:56	106.5			HPF	cal							Yes
0083	LFC FCU	23:58	106.5			HPF	cal							Yes