HET Night Report Reader

Civil Date	Ephemerides
2026-04-14	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:30	02:17	02:47	11:04	11:34	12:22	11:14	-
Night Length	8:17		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:27	17.0	14.4	11:21	twilight	09:54
Total Time Open					9:54

Program	Night Priority	Science
02:47	Idle due to weather (Clouds)
04:44	Science
05:11	Idle due to weather (Clouds)
05:32	Science
05:44	Idle due to weather (Clouds)
06:44	Science
10:44	Idle due to weather (Clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:58	02:25	0.62	1.08	90	-5572	15.7	14.1	14.4	260	10	First of Night
11:15	11:20	1.43	2.31	260	-4744	12.1	12.3	12.7	295	16	Post-Observing

Problem Reports					no PRs

TO Comments	Unable to take PVs due to clouds. Another cloudy and calm night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	skyflat	01:36	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:37	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:38	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:39	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:40	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:42	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:44	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:45	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:47	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:48	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:50	26			VIRUS	cal							Yes
0001	LFC Cal	02:35	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:35	940			VIRUS	sci							Yes
lrs20000007_01	QID 14	02:35	940	9.3	PSU26-2-005	LRS2-R	sci	1.57		20.61	0.25		Clouds, low transparency.	No
0002	LFC Cal	02:38	106.5			HPF	cal							Yes
0003	LFC Cal	02:40	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:14	1417			VIRUS	sci							Yes
0004	QID 791	03:15	308.9	8.9	UT26-2-005	HPF	sci	1.60		20.04	0.16	110	Clouds, low transparency.	No
0005	QID 791	03:20	308.9	0.9	UT26-2-005	HPF	sci	1.56		20.05	0.15	109		No
0006	QID 791	03:26	308.9	-0.1	UT26-2-005	HPF	sci	1.53		20.04	0.14	128		No
0007	QID 791	03:32	308.9	0.9	UT26-2-005	HPF	sci	1.50		20.06	0.08	97		No
0008	LFC Cal	04:50	106.5			HPF	cal							Yes
virus0000008_01	parallel	04:50	300			VIRUS	sci							Yes
lrs20000008_01	QID 602	04:50	300	6.0	PSU26-2-001	LRS2-R	sci	1.86		20.70	0.41			P4
0009	LFC Cal	04:52	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:05	300			VIRUS	sci							Yes
0010	LFC Cal	05:06	106.5			HPF	cal							Yes
lrs20000009_01	QID 600	05:06	300	11.0	PSU26-2-001	LRS2-R	sci	1.86		20.56	0.33			P4
0011	LFC Cal	05:08	106.5			HPF	cal							Yes
0012	LFC Cal	05:17	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:17	300			VIRUS	sci							Yes
lrs20000010_01	QID 604	05:17	300	6.0	PSU26-2-001	LRS2-R	sci	1.78		20.64	0.19		Clouds, low transparency.	No
0013	LFC Cal	05:20	106.5			HPF	cal							Yes
0014	LFC Cal	05:27	106.5			HPF	cal							Yes
virus0000011_01	parallel	05:27	300			VIRUS	sci							Yes
lrs20000011_01	QID 605	05:27	300	5.0	PSU26-2-001	LRS2-R	sci	1.99		20.66	0.19		Clouds, low transparency.	No
0015	LFC Cal	05:30	106.5			HPF	cal							Yes
0016	LFC Cal	05:39	106.5			HPF	cal							Yes
virus0000012_01	parallel	05:39	300			VIRUS	sci							Yes
lrs20000012_01	QID 615	05:39	300	7.0	PSU26-2-001	LRS2-R	sci	1.93		20.68	0.41			P4
0017	LFC Cal	05:41	106.5			HPF	cal							Yes
virus0000013_01	parallel	05:52	1023			VIRUS	sci							Yes
0018	QID 119	05:53	969.1	8.8	UT26-2-019	HPF	sci	2.02		20.07	0.28	157	Clouds, low transparency.	No
0019	LFC Cal	06:10	106.5			HPF	cal							Yes
0020	LFC Cal	06:20	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:20	1435			VIRUS	sci							Yes
lrs20000013_01	QID 16	06:20	1435	11.1	PSU26-2-005	LRS2-R	sci	1.91		20.74	0.40		Clouds, low transparency.	No
0021	LFC Cal	06:23	106.5			HPF	cal							Yes
0022	LFC Cal	06:25	106.5			HPF	cal							Yes
0023	QID 673	06:53	969.1	8.8	PSU26-2-013	HPF	sci	2.27		20.04	0.68	153		Yes
virus0000015_01	parallel	06:53	2047			VIRUS	sci							Yes
0024	QID 673	07:10	969.1	0.8	PSU26-2-013	HPF	sci	2.35		20.09	0.75	147		Yes
0025	LFC Cal	07:28	106.5			HPF	cal							Yes
lrs20000014_01	GRW+705824_066_E	07:33	180	7.0		LRS2	spec	1.83		20.73	0.56			Yes
0026	LFC Cal	07:46	106.5			HPF	cal							Yes
virus0000016_01	parallel	07:46	1600			VIRUS	sci							Yes
lrs20000015_01	QID 59	07:46	1600	9.3	M26-2-006	LRS2-B	sci	1.96		21.81	0.67		Ran out of track during second exposure, cut about 2.2 minutes off exposure time. Please check data quality and reject if needed.	Yes
0027	LFC Cal	07:48	106.5			HPF	cal							Yes
0028	LFC Cal	07:51	106.5			HPF	cal							Yes
0029	LFC Cal	08:20	106.5			HPF	cal							Yes
virus0000017_01	parallel	08:20	1600			VIRUS	sci							Yes
lrs20000016_01	QID 60	08:20	1600	8.3	M26-2-006	LRS2-R	sci	1.85		20.75	0.88			Yes
0030	LFC Cal	08:23	106.5			HPF	cal							Yes
0031	LFC Cal	08:25	106.5			HPF	cal							Yes
0032	LFC Cal	08:46	106.5			HPF	cal							Yes
virus0000018_01	parallel	08:52	1959			VIRUS	sci							Yes
0033	QID 478	08:53	915.9	5.7	G26-2-002	HPF	sci	2.02		20.42	0.81	32		Yes
0034	QID 478	09:09	915.9	0.7	G26-2-002	HPF	sci	1.93		20.35	0.72	26		Yes
0035	LFC Cal	09:26	106.5			HPF	cal							Yes
lrs20000017_01	1812095_056_E	09:31	120	7.0		LRS2	spec	1.93		22.13	0.60			Yes
0036	LFC Cal	09:40	106.5			HPF	cal							Yes
lrs20000018_01	parallel	09:40	1000			LRS2	sci							Yes
virus0000019_01	QID 203	09:40	1000	7.3	PSU26-2-003	VIRUS	sci	2.14		22.08	0.58			Yes
0037	LFC Cal	09:43	106.5			HPF	cal							Yes
0038	LFC Cal	09:45	106.5			HPF	cal							Yes
lrs20000018_02	parallel	09:58	1000			LRS2	sci							Yes
virus0000019_02	QID 203	09:58	1000	1.3	PSU26-2-003	VIRUS	sci	2.21		22.03	0.71			Yes
lrs20000018_03	parallel	10:16	1000			LRS2	sci							Yes
virus0000019_03	QID 203	10:16	1000	1.3	PSU26-2-003	VIRUS	sci	2.14		22.04	0.67			Yes
virus0000020_01	1740346_034_E	10:39	60	6.0		VIRUS	spec	2.16		21.81	0.58			Yes
virus0000020_02	1740346_034_E	10:41	60	1.0		VIRUS	spec	2.13		21.79	0.57			Yes
virus0000020_03	1740346_034_E	10:43	60	1.0		VIRUS	spec	1.99		21.85	0.70			Yes
virus0000021_01	parallel	10:48	1200			VIRUS	sci							Yes
0039	LFC Cal	10:49	106.5			HPF	cal							Yes
lrs20000019_01	QID 468	10:49	600	5.0	UT26-2-008	LRS2-B	sci	1.99		21.84	0.31		Lost target to incoming clouds, aborted exposure halfway through.	No
0040	LFC Cal	10:51	106.5			HPF	cal							Yes
0041	LFC Cal	10:53	106.5			HPF	cal							Yes
0042	LFC Cal	11:05	106.5			HPF	cal							Yes
lrs20000020_01	QID 397	11:05	180	6.0	UT26-2-017	LRS2-B	sci	2.05		21.65	0.31		Lost target to incoming clouds, did not attempt second exposure.	No
lrs20000021_01	bias	11:14	0			LRS2	cal							Yes
virus0000022_01	bias	11:15	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	11:19	15		ENG26-2-002	VIRUS	cal							Yes
virus0000024_01	Hg	11:21	15		ENG26-2-002	VIRUS	cal							Yes
0043	Dark	11:31	319.5			HPF	cal							Yes
0044	Quartz FCU	11:43	74.5			HPF	cal							Yes
0045	Quartz FCU	11:44	74.5			HPF	cal							Yes
0046	Quartz FCU	11:46	74.5			HPF	cal							Yes
0047	Quartz FCU	11:48	74.5			HPF	cal							Yes
0048	Quartz FCU	11:50	74.5			HPF	cal							Yes
0049	Quartz FCU	11:51	74.5			HPF	cal							Yes
0050	Quartz FCU	11:53	74.5			HPF	cal							Yes
0051	Alpha Bright Cal	11:56	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	11:57	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	11:59	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	12:01	85.2			HPF	cal							Yes
0055	LFC FCU	12:04	106.5			HPF	cal							Yes
0056	LFC FCU	12:06	106.5			HPF	cal							Yes
0057	LFC FCU	12:09	106.5			HPF	cal							Yes
0058	LFC FCU	12:11	106.5			HPF	cal							Yes
0059	LFC FCU	12:13	106.5			HPF	cal							Yes
0060	LFC FCU	12:16	106.5			HPF	cal							Yes
0061	LFC Cal	12:19	106.5			HPF	cal							Yes
0062	LFC Cal	12:21	106.5			HPF	cal							Yes
0063	Etalon Cal	12:29	159.8			HPF	cal							Yes
0064	Etalon Cal	12:32	159.8			HPF	cal							Yes
0065	Etalon Cal	12:35	159.8			HPF	cal							Yes
0066	Etalon Cal	12:38	159.8			HPF	cal							Yes
0067	UNe Slave Cal	12:42	426			HPF	cal							Yes
0068	UNe Slave Cal	12:49	426			HPF	cal							Yes
0069	UNe Slave Cal	12:57	426			HPF	cal							Yes
0070	UNe Slave Cal	13:05	426			HPF	cal							Yes
0071	UNe Slave Cal	13:13	426			HPF	cal							Yes
0072	UNe Slave Cal	13:21	426			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:57	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	21:59	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:00	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0045	LFC Cal	22:05	106.5			HPF	cal							Yes
0046	Dark	22:08	319.5			HPF	cal							Yes
0047	Quartz FCU	22:15	74.5			HPF	cal							Yes
0048	Quartz FCU	22:17	74.5			HPF	cal							Yes
0049	Quartz FCU	22:18	74.5			HPF	cal							Yes
0050	Quartz FCU	22:20	74.5			HPF	cal							Yes
0051	Quartz FCU	22:22	74.5			HPF	cal							Yes
0052	Quartz FCU	22:24	74.5			HPF	cal							Yes
0053	Quartz FCU	22:26	74.5			HPF	cal							Yes
0054	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	22:32	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0058	LFC FCU	22:36	106.5			HPF	cal							Yes
0059	LFC FCU	22:39	106.5			HPF	cal							Yes
0060	LFC Cal	22:42	106.5			HPF	cal							Yes
0061	LFC Cal	22:44	106.5			HPF	cal							Yes
0062	Etalon Cal	22:47	159.8			HPF	cal							Yes
0063	UNe Slave Cal	22:50	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	22:57	20			LRS2	cal							Yes
0064	UNe Slave Cal	22:58	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	22:59	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:00	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:02	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:03	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:04	29			LRS2	cal							Yes
0065	UNe Slave Cal	23:06	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:06	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:07	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:08	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:10	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:11	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:12	20			LRS2	cal							Yes
0066	UNe Slave Cal	23:14	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:14	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:15	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:16	15			LRS2	cal							Yes
0067	UNe Slave Cal	23:22	426			HPF	cal							Yes
virus0000016_01	flat_ldls_long	23:23	15			VIRUS	cal							Yes
virus0000016_02	flat_ldls_long	23:24	15			VIRUS	cal							Yes
virus0000016_03	flat_ldls_long	23:26	15			VIRUS	cal							Yes
virus0000017_01	Cd-A	23:27	15			VIRUS	cal							Yes
virus0000017_02	Cd-A	23:28	15			VIRUS	cal							Yes
0068	UNe Slave Cal	23:29	426			HPF	cal							Yes
virus0000017_03	Cd-A	23:30	15			VIRUS	cal							Yes
virus0000018_01	Hg	23:31	15			VIRUS	cal							Yes
virus0000018_02	Hg	23:33	15			VIRUS	cal							Yes
virus0000018_03	Hg	23:34	15			VIRUS	cal							Yes
lrs20000020_01	bias	23:35	0			LRS2	cal							Yes
virus0000019_01	bias	23:35	0			VIRUS	cal							Yes
lrs20000020_02	bias	23:36	0			LRS2	cal							Yes
virus0000019_02	bias	23:36	0			VIRUS	cal							Yes
lrs20000020_03	bias	23:37	0			LRS2	cal							Yes
virus0000019_03	bias	23:37	0			VIRUS	cal							Yes
lrs20000020_04	bias	23:38	0			LRS2	cal							Yes
virus0000019_04	bias	23:38	0			VIRUS	cal							Yes
lrs20000020_05	bias	23:39	0			LRS2	cal							Yes
virus0000019_05	bias	23:39	0			VIRUS	cal							Yes
lrs20000020_06	bias	23:39	0			LRS2	cal							Yes
virus0000019_06	bias	23:40	0			VIRUS	cal							Yes
lrs20000020_07	bias	23:40	0			LRS2	cal							Yes
virus0000019_07	bias	23:41	0			VIRUS	cal							Yes
lrs20000020_08	bias	23:41	0			LRS2	cal							Yes
virus0000019_08	bias	23:41	0			VIRUS	cal							Yes
lrs20000020_09	bias	23:42	0			LRS2	cal							Yes
virus0000019_09	bias	23:42	0			VIRUS	cal							Yes
lrs20000020_10	bias	23:43	0			LRS2	cal							Yes
virus0000019_10	bias	23:43	0			VIRUS	cal							Yes
lrs20000020_11	bias	23:44	0			LRS2	cal							Yes
virus0000019_11	bias	23:44	0			VIRUS	cal							Yes
lrs20000021_01	dark	23:45	360			LRS2	cal							Yes
virus0000020_01	dark	23:45	360			VIRUS	cal							Yes
lrs20000021_02	dark	23:52	360			LRS2	cal							Yes
virus0000020_02	dark	23:52	360			VIRUS	cal							Yes
lrs20000021_03	dark	23:58	360			LRS2	cal							Yes
virus0000020_03	dark	23:59	360			VIRUS	cal							Yes