HET Night Report Reader

Civil Date	Ephemerides
2025-02-20	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:55	01:41	02:09	12:10	12:38	13:24	08:22	-
Night Length	10:01		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Stephen Odewahn	Justen Pautzke

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:44	0.4	4.7	12:42	twilight	11:58
Total Time Open					11:58

Program	Night Priority	Science
02:38	Science
03:35	Idle due to weather (very rapid temp rise)
04:06	Science
06:08	Idle due to weather (rapid, large temp drop)
09:20	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:23	02:38	1.06	1.82	140	8540	2.3	0.9	1.3	232	4	First of Night
↪ Comments			Varying temperature during stacking.
04:28	04:38	2.67	3.99	-25	9066	10.2	10.0	9.0	236	12	Post-Observing
04:38	05:42	0.72	1.11	210	8121	11.2	11.6	11.4	232	9	Stack/Re-stack
08:00	09:12	0.62	0.97	155	7702	7.1	6.2	6.0	203	14	Stack/Re-stack
↪ Comments			Variable temperature during stacking.
12:31	12:40	1.61	2.54	365	8078	-1.5	2.7	3.6	149	4	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
5755	02:52-02:53, 03:25-03:26, 12:10-12:11	00:03	TT stopped updating images. Restarted PAS server between targets.

TO Comments	Large temperature swings and poor IQ.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000029_03	Cd-A	00:00	15			VIRUS	cal							Yes
virus0000030_01	Hg	00:01	15			VIRUS	cal							Yes
virus0000030_02	Hg	00:03	15			VIRUS	cal							Yes
virus0000030_03	Hg	00:04	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:05	0			LRS2	cal							Yes
virus0000001_01	bias	00:05	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:06	0			LRS2	cal							Yes
virus0000001_02	bias	00:06	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:07	0			LRS2	cal							Yes
virus0000001_03	bias	00:07	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:08	0			LRS2	cal							Yes
virus0000001_04	bias	00:08	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:09	0			LRS2	cal							Yes
virus0000001_05	bias	00:09	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:10	0			LRS2	cal							Yes
lrs20000001_07	bias	00:10	0			LRS2	cal							Yes
virus0000001_06	bias	00:10	0			VIRUS	cal							Yes
virus0000001_07	bias	00:11	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:11	0			LRS2	cal							Yes
virus0000001_08	bias	00:12	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:12	0			LRS2	cal							Yes
virus0000001_09	bias	00:13	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:13	0			LRS2	cal							Yes
virus0000001_10	bias	00:13	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:14	0			LRS2	cal							Yes
virus0000001_11	bias	00:14	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:15	360			LRS2	cal							Yes
virus0000002_01	dark	00:15	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:22	360			LRS2	cal							Yes
virus0000002_02	dark	00:22	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:28	360			LRS2	cal							Yes
virus0000002_03	dark	00:29	360			VIRUS	cal							Yes
lrs20000003_01	skyflat	01:00	7			LRS2	cal							Yes
lrs20000004_01	skyflat	01:01	10			LRS2	cal							Yes
lrs20000005_01	skyflat	01:02	13			LRS2	cal							Yes
lrs20000006_01	skyflat	01:03	16			LRS2	cal							Yes
lrs20000007_01	skyflat	01:04	22			LRS2	cal							Yes
lrs20000008_01	skyflat	01:06	30			LRS2	cal							Yes
virus0000003_01	skyflat	01:08	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:09	10			VIRUS	cal							Yes
virus0000005_01	skyflat	01:11	14			VIRUS	cal							Yes
virus0000006_01	skyflat	01:12	18			VIRUS	cal							Yes
virus0000007_01	skyflat	01:14	26			VIRUS	cal							Yes
0001	test_drk_donotuse	02:46	10.7			HPF	cal							Yes
virus0000008_01	parallel	02:46	572			VIRUS	sci							Yes
0002	QID 3207	02:47	521.9	8.3	UT25-1-006	HPF	sci	2.33	2.49	19.87	0.64	86		Yes
0003	test_drk_donotuse	02:57	10.7			HPF	cal							Yes
0004	QID 3196	03:02	394.1	7.4	UT25-1-006	HPF	sci	2.27	1.25	19.94	0.90	118		Yes
virus0000009_01	parallel	03:02	440			VIRUS	sci							Yes
0005	test_drk_donotuse	03:13	10.7			HPF	cal							Yes
0006	QID 3174	03:19	969.1	9.8	UT25-1-006	HPF	sci	2.41	1.65	20.15	0.79	107		Yes
virus0000010_01	parallel	03:19	1023			VIRUS	sci							Yes
0007	LFC Cal	03:45	106.5			HPF	cal							Yes
lrs20000009_01	parallel	03:45	600			LRS2	sci							Yes
virus0000011_01	QID 834	03:45	600	10.0	UT25-1-008	VIRUS	sci	3.09	1.19	21.60			temp rising rapidly cause stack to fall apart, bad image quality	No
0008	LFC Cal	03:47	106.5			HPF	cal							Yes
0009	LFC Cal	03:50	106.5			HPF	cal							Yes
lrs20000009_02	parallel	03:56	600			LRS2	sci							Yes
virus0000011_02	QID 834	03:56	600	1.0	UT25-1-008	VIRUS	sci	3.12	1.59	21.71	0.58			No
virus0000012_01	G191B2B_034_W	04:08	60	2.0		VIRUS	spec	2.98	1.91	21.58	0.47			Yes
virus0000012_02	G191B2B_034_W	04:10	60	1.0		VIRUS	spec	2.79	1.75	21.55	0.47			Yes
virus0000012_03	G191B2B_034_W	04:12	60	1.0		VIRUS	spec	2.93	1.85	21.57	0.49			Yes
0010	test_drk_donotuse	04:15	10.7			HPF	cal							Yes
0011	HR2395_tell_std	04:25	117.2	13.0		HPF	telluric	2.99	1.16	20.10	0.45		clouds extend setup time	Yes
lrs20000010_01	QID 3158	05:48	1200	6.0	UT25-1-007	LRS2-B	sci	1.58	1.03	21.39	1.09			Yes
virus0000013_01	parallel	05:48	1200			VIRUS	sci							Yes
0012	LFC Cal	05:49	106.5			HPF	cal							Yes
0013	LFC Cal	05:51	106.5			HPF	cal							Yes
0014	LFC Cal	05:53	106.5			HPF	cal							Yes
0015	test_drk_donotuse	06:11	10.7			HPF	cal							Yes
0016	QID 780	06:16	969.1	7.8	UT25-1-024	HPF	sci	2.49	1.70	20.13	0.93	17	Rapid temp drop pushed image quality beyond 4" in second exposure	No
virus0000014_01	parallel	06:16	2047			VIRUS	sci							Yes
0017	QID 780	06:33	969.1	0.8	UT25-1-024	HPF	sci	3.76	3.35	20.11	0.71	7		No
0018	LFC Cal	06:54	106.5			HPF	cal							Yes
0019	LFC Cal	06:56	106.5			HPF	cal							Yes
0020	LFC Cal	06:58	106.5			HPF	cal							Yes
0021	test_drk_donotuse	09:22	10.7			HPF	cal							Yes
0022	HR4024_tell_std	09:25	117.2	5.0		HPF	telluric	1.66	1.23	20.27	0.70			Yes
0023	test_drk_donotuse	09:33	10.7			HPF	cal							Yes
0024	QID 3092	09:34	969.1	6.8	UT25-1-010	HPF	sci	2.13	1.84	20.18	0.80	118		Yes
virus0000015_01	parallel	09:34	2047			VIRUS	sci							Yes
0025	QID 3092	09:51	969.1	0.8	UT25-1-010	HPF	sci	1.84	1.75	20.15	0.83	138		Yes
0026	LFC Cal	10:09	106.5			HPF	cal							Yes
0027	test_drk_donotuse	10:12	10.7			HPF	cal							Yes
virus0000016_01	parallel	10:13	2047			VIRUS	sci							Yes
0028	QID 3101	10:14	969.1	6.8	UT25-1-010	HPF	sci	2.12	2.23	20.02	0.75	82		P4
0029	QID 3101	10:31	969.1	1.8	UT25-1-010	HPF	sci	1.87	1.53	19.97	0.72	76		P4
0030	LFC Cal	10:49	106.5			HPF	cal							Yes
0031	test_drk_donotuse	10:53	10.7			HPF	cal							Yes
0032	QID 3146	10:57	106.5	9.2	UT25-1-003	HPF	sci	1.79	1.31	18.77	0.54	272		Yes
virus0000017_01	parallel	10:57	400			VIRUS	sci							Yes
0033	QID 3146	10:59	106.5	0.2	UT25-1-003	HPF	sci	1.75	1.14	18.90	0.52	265		Yes
0034	QID 3146	11:02	106.5	1.2	UT25-1-003	HPF	sci	1.73	1.07	19.12	0.60	372		Yes
0035	test_drk_donotuse	11:06	10.7			HPF	cal							Yes
0036	QID 3061	11:12	308.9	8.9	UT25-1-021	HPF	sci	2.83	1.98	19.83	0.57	41	image quality constraint exceeded, please check data quality	Yes
virus0000018_01	parallel	11:12	1417			VIRUS	sci							Yes
0037	QID 3061	11:18	308.9	-0.1	UT25-1-021	HPF	sci	3.00	1.89	19.85	0.61	46		Yes
0038	QID 3061	11:24	308.9	0.9	UT25-1-021	HPF	sci	3.41	1.67	20.00	0.70	45		Yes
0039	QID 3061	11:30	308.9	0.9	UT25-1-021	HPF	sci	2.88	1.73	20.13	0.81	61		Yes
0040	test_drk_donotuse	11:40	10.7			HPF	cal							Yes
0041	QID 3105	11:43	969.1	7.8	UT25-1-010	HPF	sci	2.85	2.14	19.95	0.92	122		P4
virus0000019_01	parallel	11:43	2047			VIRUS	sci							Yes
0042	QID 3105	12:00	969.1	1.8	UT25-1-010	HPF	sci	3.03	2.16	19.89	0.87	118		P4
0043	LFC Cal	12:19	106.5			HPF	cal							Yes
lrs20000011_01	QID 2945	12:25	400	7.3	UT25-1-007	LRS2-B	sci	3.08	2.25	19.65	0.66			P4
0044	LFC Cal	12:25	106.5			HPF	cal							Yes
virus0000020_01	parallel	12:25	400			VIRUS	sci							Yes
0045	LFC Cal	12:27	106.5			HPF	cal							Yes
0046	LFC Cal	12:29	106.5			HPF	cal							Yes
lrs20000012_01	bias	12:33	0			LRS2	cal							Yes
virus0000021_01	bias	12:34	0			VIRUS	cal							Yes
virus0000022_01	Cd-A	12:39	15		ENG25-1-002	VIRUS	cal							Yes
virus0000023_01	Hg	12:40	15		ENG25-1-002	VIRUS	cal							Yes
0047	Dark	12:47	319.5			HPF	cal							Yes
0048	Quartz FCU	12:59	74.5			HPF	cal							Yes
0049	Quartz FCU	13:00	74.5			HPF	cal							Yes
0050	Quartz FCU	13:02	74.5			HPF	cal							Yes
0051	Quartz FCU	13:04	74.5			HPF	cal							Yes
0052	Quartz FCU	13:06	74.5			HPF	cal							Yes
0053	Quartz FCU	13:08	74.5			HPF	cal							Yes
0054	Quartz FCU	13:09	74.5			HPF	cal							Yes
0055	Alpha Bright Cal	13:12	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	13:14	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	13:16	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	13:18	85.2			HPF	cal							Yes
0059	LFC FCU	13:20	106.5			HPF	cal							Yes
0060	LFC FCU	13:22	106.5			HPF	cal							Yes
0061	LFC FCU	13:25	106.5			HPF	cal							Yes
0062	LFC FCU	13:27	106.5			HPF	cal							Yes
0063	LFC FCU	13:29	106.5			HPF	cal							Yes
0064	LFC FCU	13:32	106.5			HPF	cal							Yes
0065	LFC Cal	13:35	106.5			HPF	cal							Yes
0066	LFC Cal	13:37	106.5			HPF	cal							Yes
0067	Etalon Cal	13:45	159.8			HPF	cal							Yes
0068	Etalon Cal	13:48	159.8			HPF	cal							Yes
0069	Etalon Cal	13:51	159.8			HPF	cal							Yes
0070	Etalon Cal	13:54	159.8			HPF	cal							Yes
0071	UNe Slave Cal	13:58	426			HPF	cal							Yes
0072	UNe Slave Cal	14:06	426			HPF	cal							Yes
0073	UNe Slave Cal	14:13	426			HPF	cal							Yes
0074	UNe Slave Cal	14:21	426			HPF	cal							Yes
0075	UNe Slave Cal	14:29	426			HPF	cal							Yes
0076	UNe Slave Cal	14:37	426			HPF	cal							Yes
0082	LFC Cal	22:16	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:28	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:29	20			VIRUS	cal							Yes
virus0009901_01	bias	22:30	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:31	20			LRS2	cal							Yes
virus0009902_01	dark	22:32	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:33	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:35	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:36	15			LRS2	cal							Yes
0083	Dark	22:38	319.5			HPF	cal							Yes
0084	Quartz FCU	22:44	74.5			HPF	cal							Yes
0085	Quartz FCU	22:46	74.5			HPF	cal							Yes
0086	Quartz FCU	22:48	74.5			HPF	cal							Yes
0087	Quartz FCU	22:50	74.5			HPF	cal							Yes
0088	Quartz FCU	22:52	74.5			HPF	cal							Yes
0089	Quartz FCU	22:53	74.5			HPF	cal							Yes
0090	Quartz FCU	22:55	74.5			HPF	cal							Yes
0091	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	23:00	85.2			HPF	cal							Yes
0093	Alpha Bright Cal	23:01	85.2			HPF	cal							Yes
0094	Alpha Bright Cal	23:03	85.2			HPF	cal							Yes
0095	LFC FCU	23:06	106.5			HPF	cal							Yes
0096	LFC FCU	23:08	106.5			HPF	cal							Yes
0097	LFC Cal	23:11	106.5			HPF	cal							Yes
0098	LFC Cal	23:14	106.5			HPF	cal							Yes
0099	Etalon Cal	23:16	159.8			HPF	cal							Yes
0100	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:21	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:22	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:24	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:25	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:26	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:27	20			LRS2	cal							Yes
0101	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:29	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:30	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:31	38			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:33	38			LRS2	cal							Yes
0102	UNe Slave Cal	23:35	426			HPF	cal							Yes
lrs20000016_03	Cd-A_B	23:35	38			LRS2	cal							Yes
lrs20000017_01	FeAr_R	23:36	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:37	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:39	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:40	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:41	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:43	20			LRS2	cal							Yes
0103	UNe Slave Cal	23:43	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:44	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:45	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:46	15			LRS2	cal							Yes
0104	UNe Slave Cal	23:51	426			HPF	cal							Yes
virus0000028_01	flat_ldls_long	23:53	15			VIRUS	cal							Yes
virus0000028_02	flat_ldls_long	23:54	15			VIRUS	cal							Yes
virus0000028_03	flat_ldls_long	23:56	15			VIRUS	cal							Yes
virus0000029_01	Cd-A	23:57	15			VIRUS	cal							Yes
virus0000029_02	Cd-A	23:58	15			VIRUS	cal							Yes
0105	UNe Slave Cal	23:59	426			HPF	cal							Yes