HET Night Report Reader

Civil Date	Ephemerides
2025-04-16	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:32	02:19	02:49	11:02	11:32	12:19	05:02	-
Night Length	8:13		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Stephen Odewahn	Nathan McReynolds

Overlaps
TO Overlap	RA Overlap
Amy Westfall	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
22:06	25.8	20.2	22:23	engineering	00:17
01:22	23.5	23.4	08:32	dust	07:10
09:44	18.4	19.5	11:55	twilight	02:11
Total Time Open					9:38

Program	Night Priority	Science
02:49	Science
08:28	Idle due to weather (high dust)
09:44	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:57	02:41	0.43	0.67	207	+1340	23.1	23.5	23.4	223	7	First of Night
↪ Comments			Brought in 3:2, 2:2, 7:1 by hand. AOA exposure of 1/1000 needed to catch 6:1
06:22	06:31	1.66	2.33	-313	+2930	19.7	20.6	20.7	269	9	Post-Observing
06:31	07:00	0.45	0.68	212	+2961	19.6	20.5	20.6	284	11	Stack/Re-stack
11:47	11:55	1.30	1.93	42	+4091	19.0	18.5	18.7	274	8	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
virus0000023_11	bias	00:00	0			VIRUS	cal							Yes
lrs20000021_01	dark	00:00	360			LRS2	cal							Yes
virus0000024_01	dark	00:00	360			VIRUS	cal							Yes
lrs20000021_02	dark	00:07	360			LRS2	cal							Yes
virus0000024_02	dark	00:07	360			VIRUS	cal							Yes
lrs20000021_03	dark	00:14	360			LRS2	cal							Yes
virus0000024_03	dark	00:14	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:37	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:38	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:39	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:40	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:41	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:43	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:46	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:47	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:49	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:50	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:51	26			VIRUS	cal							Yes
lrs20000007_01	HD55677_056_W	02:47	30	5.5		LRS2	spec	1.38	0.70	21.29	0.86			Yes
lrs20000008_01	HD55677_066_W	02:52	30	4.5		LRS2	spec	1.33	0.59	20.32	0.91			Yes
0001	LFC Cal	02:57	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:57	300			VIRUS	sci							Yes
lrs20000009_01	QID 14	02:57	300	5.0	PSU25-2-003	LRS2-R	sci	1.51	0.61	20.54	0.97			Yes
0002	LFC Cal	03:00	106.5			HPF	cal							Yes
0003	LFC Cal	03:03	106.5			HPF	cal							Yes
0004	test_drk_donotuse	03:10	10.7			HPF	cal							Yes
0005	QID 1661	03:11	969.1	8.8	UT25-2-023	HPF	sci	1.38	0.61	19.90	0.96	21		Yes
virus0000007_01	parallel	03:11	2047			VIRUS	sci							Yes
0006	QID 1661	03:28	969.1	0.8	UT25-2-023	HPF	sci	1.45	0.59	19.90	0.96	22		Yes
0007	LFC Cal	03:46	106.5			HPF	cal							Yes
0008	LFC Cal	03:54	106.5			HPF	cal							Yes
virus0000008_01	parallel	03:54	2400			VIRUS	sci							Yes
lrs20000010_01	QID 66	03:54	2400	10.0	PSU25-2-004	LRS2-B	sci	1.90	1.17	22.04	0.96			Yes
0009	LFC Cal	03:56	106.5			HPF	cal							Yes
0010	LFC Cal	03:59	106.5			HPF	cal							Yes
0011	LFC Cal	04:35	106.5			HPF	cal							Yes
0012	LFC Cal	04:41	106.5			HPF	cal							Yes
virus0000009_01	parallel	04:41	2400			VIRUS	sci							Yes
lrs20000011_01	QID 73	04:41	2400	8.0	PSU25-2-004	LRS2-B	sci	1.97	1.24	21.53	0.78			Yes
0013	LFC Cal	04:44	106.5			HPF	cal							Yes
0014	LFC Cal	04:46	106.5			HPF	cal							Yes
0015	LFC Cal	05:22	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:32	3000			VIRUS	sci							Yes
lrs20000012_01	QID 10	05:32	3000	10.0	PSU25-2-003	LRS2-B	sci	2.13	1.11	20.12	0.76			Yes
0016	LFC Cal	05:33	106.5			HPF	cal							Yes
0017	LFC Cal	05:35	106.5			HPF	cal							Yes
0018	LFC Cal	05:37	106.5			HPF	cal							Yes
0019	LFC Cal	07:01	106.5			HPF	cal							Yes
0020	test_drk_donotuse	07:06	10.7			HPF	cal							Yes
0021	QID 1616	07:07	969.1	6.8	PSU25-2-009	HPF	sci	1.25	1.11	19.35	0.61	92		Yes
virus0000011_01	parallel	07:07	2047			VIRUS	sci							Yes
0022	QID 1616	07:26	969.1	4.8	PSU25-2-009	HPF	sci	1.17	0.88	19.23	0.58	88		Yes
0023	test_drk_donotuse	07:51	10.7			HPF	cal							Yes
0024	QID 1624	07:54	969.1	9.8	PSU25-2-009	HPF	sci	1.26	0.90	19.37	1.14	229		P4
virus0000012_01	parallel	07:54	2047			VIRUS	sci							Yes
0025	QID 1624	08:11	969.1	1.8	PSU25-2-009	HPF	sci	1.28	1.02	19.44	1.18	265		P4
0026	LFC Cal	08:29	106.5			HPF	cal							Yes
0027	LFC Cal	09:46	106.5			HPF	cal							Yes
virus0000013_01	parallel	09:49	1984			VIRUS	sci							Yes
0028	QID 2449	09:50	600	6.0	UT25-2-013	HPF	sci	1.89		19.70	0.81	26		Yes
0029	QID 2449	10:01	617.7	0.7	UT25-2-013	HPF	sci	1.84		19.70	0.82	24		P4
0030	QID 2449	10:12	617.7	0.7	UT25-2-013	HPF	sci	1.90		19.73	0.83	21		P4
0031	LFC Cal	10:23	106.5			HPF	cal							Yes
0032	test_drk_donotuse	10:27	10.7			HPF	cal							Yes
0033	QID 216	10:28	74.5	5.8	PSU25-2-005	HPF	sci	1.89		18.90	0.80	518		Yes
0034	test_drk_donotuse	10:34	10.7			HPF	cal							Yes
virus0000014_01	parallel	10:34	2047			VIRUS	sci							Yes
0035	QID 1663	10:35	969.1	5.8	UT25-2-023	HPF	sci	1.82		19.33	0.61	30		Yes
0036	QID 1663	10:52	969.1	0.8	UT25-2-023	HPF	sci	1.76		19.17	0.59	33		Yes
0037	test_drk_donotuse	11:10	10.7			HPF	cal							Yes
0038	QID 1628	11:13	969.1	4.8	PSU25-2-009	HPF	sci	1.82		19.18	0.77	75		P4
virus0000015_01	parallel	11:13	2047			VIRUS	sci							Yes
0039	QID 1628	11:30	969.1	1.8	PSU25-2-009	HPF	sci	1.79		18.08	0.78	68		P4
0040	LFC Cal	11:48	106.5			HPF	cal							Yes
lrs20000013_01	bias	11:49	0			LRS2	cal							Yes
virus0000016_01	bias	11:50	0			VIRUS	cal							Yes
virus0000017_01	Cd-A	11:54	15		ENG25-2-002	VIRUS	cal							Yes
virus0000018_01	Hg	11:55	15		ENG25-2-002	VIRUS	cal							Yes
0041	Dark	12:04	319.5			HPF	cal							Yes
0042	Quartz FCU	12:15	74.5			HPF	cal							Yes
0043	Quartz FCU	12:17	74.5			HPF	cal							Yes
0044	Quartz FCU	12:19	74.5			HPF	cal							Yes
0045	Quartz FCU	12:20	74.5			HPF	cal							Yes
0046	Quartz FCU	12:22	74.5			HPF	cal							Yes
0047	Quartz FCU	12:24	74.5			HPF	cal							Yes
0048	Quartz FCU	12:26	74.5			HPF	cal							Yes
0049	Alpha Bright Cal	12:28	85.2			HPF	cal							Yes
0050	Alpha Bright Cal	12:30	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	12:32	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	12:34	85.2			HPF	cal							Yes
0053	LFC FCU	12:37	106.5			HPF	cal							Yes
0054	LFC FCU	12:39	106.5			HPF	cal							Yes
0055	LFC FCU	12:41	106.5			HPF	cal							Yes
0056	LFC FCU	12:44	106.5			HPF	cal							Yes
0057	LFC FCU	12:46	106.5			HPF	cal							Yes
0058	LFC FCU	12:48	106.5			HPF	cal							Yes
0059	LFC Cal	12:51	106.5			HPF	cal							Yes
0060	LFC Cal	12:53	106.5			HPF	cal							Yes
0061	Etalon Cal	13:02	159.8			HPF	cal							Yes
0062	Etalon Cal	13:05	159.8			HPF	cal							Yes
0063	Etalon Cal	13:08	159.8			HPF	cal							Yes
0064	Etalon Cal	13:11	159.8			HPF	cal							Yes
0065	UNe Slave Cal	13:15	426			HPF	cal							Yes
0066	UNe Slave Cal	13:23	426			HPF	cal							Yes
0067	UNe Slave Cal	13:30	426			HPF	cal							Yes
0068	UNe Slave Cal	13:38	426			HPF	cal							Yes
0069	UNe Slave Cal	13:46	426			HPF	cal							Yes
0070	UNe Slave Cal	13:54	426			HPF	cal							Yes
0086	LFC Cal	21:01	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:54	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:55	20			VIRUS	cal							Yes
virus0009901_01	bias	21:56	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:57	20			LRS2	cal							Yes
virus0009902_01	dark	21:58	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:59	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:01	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:02	15			LRS2	cal							Yes
0087	Dark	22:24	319.5			HPF	cal							Yes
0088	Quartz FCU	22:30	74.5			HPF	cal							Yes
0089	Quartz FCU	22:32	74.5			HPF	cal							Yes
0090	Quartz FCU	22:34	74.5			HPF	cal							Yes
0091	Quartz FCU	22:36	74.5			HPF	cal							Yes
0092	Quartz FCU	22:37	74.5			HPF	cal							Yes
0093	Quartz FCU	22:39	74.5			HPF	cal							Yes
0094	Quartz FCU	22:41	74.5			HPF	cal							Yes
0095	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0096	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0097	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0098	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0099	LFC FCU	22:52	106.5			HPF	cal							Yes
0100	LFC FCU	22:54	106.5			HPF	cal							Yes
0101	LFC Cal	22:57	106.5			HPF	cal							Yes
0102	LFC Cal	22:59	106.5			HPF	cal							Yes
0103	Etalon Cal	23:02	159.8			HPF	cal							Yes
0104	UNe Slave Cal	23:05	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
0105	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:14	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:16	38			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:18	38			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:20	38			LRS2	cal							Yes
0106	UNe Slave Cal	23:21	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:21	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:25	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:26	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:28	20			LRS2	cal							Yes
0107	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:29	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:30	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:31	15			LRS2	cal							Yes
0108	UNe Slave Cal	23:36	426			HPF	cal							Yes
virus0000020_01	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000020_02	flat_ldls_long	23:39	15			VIRUS	cal							Yes
virus0000020_03	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000021_01	Cd-A	23:42	15			VIRUS	cal							Yes
virus0000021_02	Cd-A	23:43	15			VIRUS	cal							Yes
0109	UNe Slave Cal	23:44	426			HPF	cal							Yes
virus0000021_03	Cd-A	23:45	15			VIRUS	cal							Yes
virus0000022_01	Hg	23:46	15			VIRUS	cal							Yes
virus0000022_02	Hg	23:48	15			VIRUS	cal							Yes
virus0000022_03	Hg	23:49	15			VIRUS	cal							Yes
lrs20000020_01	bias	23:51	0			LRS2	cal							Yes
virus0000023_01	bias	23:51	0			VIRUS	cal							Yes
lrs20000020_02	bias	23:51	0			LRS2	cal							Yes
virus0000023_02	bias	23:52	0			VIRUS	cal							Yes
lrs20000020_03	bias	23:52	0			LRS2	cal							Yes
virus0000023_03	bias	23:52	0			VIRUS	cal							Yes
lrs20000020_04	bias	23:53	0			LRS2	cal							Yes
virus0000023_04	bias	23:53	0			VIRUS	cal							Yes
lrs20000020_05	bias	23:54	0			LRS2	cal							Yes
virus0000023_05	bias	23:54	0			VIRUS	cal							Yes
lrs20000020_06	bias	23:55	0			LRS2	cal							Yes
virus0000023_06	bias	23:55	0			VIRUS	cal							Yes
lrs20000020_07	bias	23:56	0			LRS2	cal							Yes
virus0000023_07	bias	23:56	0			VIRUS	cal							Yes
lrs20000020_08	bias	23:57	0			LRS2	cal							Yes
virus0000023_08	bias	23:57	0			VIRUS	cal							Yes
lrs20000020_09	bias	23:57	0			LRS2	cal							Yes
virus0000023_09	bias	23:58	0			VIRUS	cal							Yes
lrs20000020_10	bias	23:58	0			LRS2	cal							Yes
virus0000023_10	bias	23:59	0			VIRUS	cal							Yes
lrs20000020_11	bias	23:59	0			LRS2	cal							Yes