HET Night Report Reader

Civil Date	Ephemerides
2026-02-02	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:40	01:27	01:55	12:23	12:52	13:39	01:43	-
Night Length	10:28		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Jose Fernandez	Cassie Crowe

Overlaps
TO Overlap	RA Overlap
-	Jose Fernandez

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:40	11.9	11.2	12:23	twilight	11:43
Total Time Open					11:43

Program	Night Priority	Science
01:55	Science
04:12	Idle due to weather (overcast skies)
04:31	Science
04:54	Idle due to weather (clouds roling in)
05:04	Science
05:59	Idle due to weather (moon and clouds, low transparency, high sky brightness)
09:00	Science
09:48	Idle due to weather (moon and clouds, low transparency, high sky brightness)
10:14	Science
12:11	Idle due to weather (moon and clouds, low transparency, high sky brightness)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:06	01:42	0.44	0.68	15	-1156	11.7	11.6	11.5	267	11	First of Night
10:56	11:33	0.49	0.77	-5	+331	5.7	6.8	7.0	330	21	Stack/Re-stack
12:14	12:19	0.86	1.34	-335	+331	4.4	4.9	5.1	329	21	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6627	10:15-10:45	00:30	Dust spike. Lasted 30 min but occurred on all channels and internal dust never changed.

TO Comments	Clouds in and out 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
lrs20000026_01	Hg_R	00:00	20			LRS2	cal							Yes
lrs20000026_02	Hg_R	00:02	20			LRS2	cal							Yes
lrs20000026_03	Hg_R	00:03	20			LRS2	cal							Yes
0001	UNe Slave Cal	00:04	426			HPF	cal							Yes
lrs20000027_01	Hg_B	00:04	15			LRS2	cal							Yes
lrs20000027_02	Hg_B	00:05	15			LRS2	cal							Yes
lrs20000027_03	Hg_B	00:07	15			LRS2	cal							Yes
0002	UNe Slave Cal	00:12	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:13	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:15	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:16	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:17	15			VIRUS	cal							Yes
0003	UNe Slave Cal	00:19	426			HPF	cal							Yes
virus0000002_02	Cd-A	00:19	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:20	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:22	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:23	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:24	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:26	0			LRS2	cal							Yes
lrs20000001_02	bias	00:26	0			LRS2	cal							Yes
virus0000004_01	bias	00:26	0			VIRUS	cal							Yes
virus0000004_02	bias	00:27	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:27	0			LRS2	cal							Yes
virus0000004_03	bias	00:28	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:28	0			LRS2	cal							Yes
virus0000004_04	bias	00:28	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:29	0			LRS2	cal							Yes
virus0000004_05	bias	00:29	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:30	0			LRS2	cal							Yes
virus0000004_06	bias	00:30	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:31	0			LRS2	cal							Yes
virus0000004_07	bias	00:31	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:32	0			LRS2	cal							Yes
virus0000004_08	bias	00:32	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:32	0			LRS2	cal							Yes
virus0000004_09	bias	00:33	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:33	0			LRS2	cal							Yes
virus0000004_10	bias	00:34	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:34	0			LRS2	cal							Yes
virus0000004_11	bias	00:34	0			VIRUS	cal							Yes
lrs20000002_01	skyflat	00:45	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:46	10			LRS2	cal							Yes
lrs20000004_01	skyflat	00:47	13			LRS2	cal							Yes
lrs20000005_01	skyflat	00:48	16			LRS2	cal							Yes
lrs20000006_01	skyflat	00:49	22			LRS2	cal							Yes
lrs20000007_01	skyflat	00:51	30			LRS2	cal							Yes
virus0000005_01	skyflat	00:54	7			VIRUS	cal							Yes
virus0000006_01	skyflat	00:55	10			VIRUS	cal							Yes
virus0000007_01	skyflat	00:56	14			VIRUS	cal							Yes
virus0000008_01	skyflat	00:57	18			VIRUS	cal							Yes
virus0000009_01	skyflat	00:59	26			VIRUS	cal							Yes
lrs20000008_01	dark	01:01	360			LRS2	cal							Yes
virus0000010_01	dark	01:01	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:08	360			LRS2	cal							Yes
virus0000010_02	dark	01:08	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:15	360			LRS2	cal							Yes
virus0000010_03	dark	01:15	360			VIRUS	cal							Yes
virus0000011_01	parallel	01:47	583			VIRUS	sci							Yes
0004	QID 1763	01:48	532.5	6.1	UT26-1-014	HPF	sci	1.38	0.88	19.48	0.88	549		Yes
0005	LFC Cal	01:58	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:02	2047			VIRUS	sci							Yes
0006	QID 1948	02:03	969.1	5.8	UT26-1-010	HPF	sci	1.34	0.94	19.37	0.92	76		Yes
0007	QID 1948	02:20	969.1	0.8	UT26-1-010	HPF	sci	1.37	0.91	19.29	0.94	76		Yes
0008	LFC Cal	02:38	106.5			HPF	cal							Yes
lrs20000009_01	HD55677_056_E	02:44	30	8.5		LRS2	spec	1.81	0.98	18.32	0.78			Yes
lrs20000010_01	HD55677_066_E	02:48	30	3.5		LRS2	spec	1.59	1.10	18.33	0.80			Yes
virus0000013_01	parallel	02:57	2203			VIRUS	sci							Yes
0009	QID 1959	02:58	330.2	8.5	UT26-1-010	HPF	sci	1.23	0.84	19.47	0.83	333		Yes
0010	QID 1959	03:04	330.2	0.5	UT26-1-010	HPF	sci	1.35	1.04	19.40	0.81	327		Yes
0011	QID 1959	03:10	330.2	0.5	UT26-1-010	HPF	sci	1.38	1.14	19.35	0.84	345		Yes
0012	QID 1959	03:16	330.2	0.5	UT26-1-010	HPF	sci	1.46	1.23	19.31	0.85	350		Yes
0013	QID 1959	03:22	330.2	1.5	UT26-1-010	HPF	sci	1.47	1.46	19.30	0.83	356		Yes
0014	QID 1959	03:28	330.2	0.5	UT26-1-010	HPF	sci	1.41	1.01	19.28	0.80	351		Yes
0015	LFC Cal	03:35	106.5			HPF	cal							Yes
virus0000014_01	parallel	03:38	2047			VIRUS	sci							Yes
0016	QID 1964	03:39	969.1	4.8	UT26-1-010	HPF	sci	1.52	1.15	19.19	0.97	73		Yes
0017	QID 1964	03:56	969.1	0.8	UT26-1-010	HPF	sci	1.46	0.98	18.29	0.47	32	clouds rolled in at the end of the exposure bringing down the average transparency. please review data quality	Yes
0018	LFC Cal	04:14	106.5			HPF	cal							Yes
virus0000015_01	parallel	04:36	1060			VIRUS	sci							Yes
0019	QID 316	04:37	308.9	5.9	UT26-1-007	HPF	sci	1.52		18.62	0.67	127		P4
0020	QID 316	04:43	308.9	0.9	UT26-1-007	HPF	sci	1.57		19.15	0.99	146		P4
0021	QID 316	04:48	308.9	0.9	UT26-1-007	HPF	sci	1.55		19.12	0.97	142		P4
virus0000016_01	parallel	05:08	2047			VIRUS	sci							Yes
0022	QID 1487	05:09	969.1	4.8	UT26-1-010	HPF	sci	1.57		19.20	0.94	135		P4
0023	QID 1487	05:26	969.1	0.8	UT26-1-010	HPF	sci	1.80		18.63	0.82	99		P4
0024	LFC Cal	05:44	106.5			HPF	cal							Yes
0025	QID 1765	05:50	532.5	8.1	UT26-1-014	HPF	sci	2.02		18.75	0.80	412		P4
virus0000017_01	parallel	05:50	583			VIRUS	sci							Yes
0026	LFC Cal	06:01	106.5			HPF	cal							Yes
0027	QID 137	06:38	713.6	5.1	UT26-1-009	HPF	sci	1.68	1.42	17.83	0.73	42	low transparancy, high sky brightness, can't guide	No
virus0000018_01	parallel	06:38	1541			VIRUS	sci							Yes
0028	LFC Cal	08:59	106.5			HPF	cal							Yes
virus0000019_01	parallel	09:02	1984			VIRUS	sci							Yes
0029	QID 1929	09:03	617.7	2.7	UT26-1-007	HPF	sci	1.46	1.06	17.34	0.81	65		Yes
0030	QID 1929	09:14	617.7	0.7	UT26-1-007	HPF	sci	1.37	1.01	17.45	0.83	60		Yes
0031	QID 1929	09:25	617.7	0.7	UT26-1-007	HPF	sci	1.31	0.84	17.26	0.80	52		Yes
0032	LFC Cal	09:37	106.5			HPF	cal							Yes
0033	HR5372_tell_std	09:43	330.2	7.5		HPF	telluric	1.44	1.05	18.38	0.82			Yes
virus0000020_01	parallel	09:57	1023			VIRUS	sci							Yes
0034	QID 1819	09:58	969.1	9.8	UT26-1-014	HPF	sci	1.48	1.15	16.07	0.56	259	sky brightness too high due to moon and passing clouds	No
0035	LFC Cal	10:16	106.5			HPF	cal							Yes
virus0000021_01	parallel	10:21	2047			VIRUS	sci							Yes
0036	QID 20	10:22	969.1	7.8	UT26-1-003	HPF	sci	1.82	1.08	17.88	0.82	37	passing clouds and the moon increased sky brightness momentarily, please review data quality	Yes
0037	QID 20	10:39	969.1	0.8	UT26-1-003	HPF	sci	1.85	1.16	18.57	0.86	40		Yes
0038	QID 1962	11:37	969.1	4.8	UT26-1-010	HPF	sci	1.41	1.08	17.73	0.67	82		Yes
virus0000022_01	parallel	11:37	2047			VIRUS	sci							Yes
0039	QID 1962	11:55	969.1	0.8	UT26-1-010	HPF	sci	1.44	0.88	18.09	0.62	88		Yes
0040	LFC Cal	12:12	106.5			HPF	cal							Yes
lrs20000011_01	bias	12:22	0			LRS2	cal							Yes
virus0000023_01	bias	12:23	0			VIRUS	cal							Yes
virus0000024_01	Cd-A	12:27	15		ENG26-1-002	VIRUS	cal							Yes
virus0000025_01	Hg	12:28	15		ENG26-1-002	VIRUS	cal							Yes
0041	Dark	12:37	319.5			HPF	cal							Yes
0042	Quartz FCU	12:48	74.5			HPF	cal							Yes
0043	Quartz FCU	12:50	74.5			HPF	cal							Yes
0044	Quartz FCU	12:52	74.5			HPF	cal							Yes
0045	Quartz FCU	12:54	74.5			HPF	cal							Yes
0046	Quartz FCU	12:56	74.5			HPF	cal							Yes
0047	Quartz FCU	12:57	74.5			HPF	cal							Yes
0048	Quartz FCU	12:59	74.5			HPF	cal							Yes
0049	Alpha Bright Cal	13:01	85.2			HPF	cal							Yes
0050	Alpha Bright Cal	13:03	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	13:05	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	13:07	85.2			HPF	cal							Yes
0053	LFC FCU	13:10	106.5			HPF	cal							Yes
0054	LFC FCU	13:12	106.5			HPF	cal							Yes
0055	LFC FCU	13:15	106.5			HPF	cal							Yes
0056	LFC FCU	13:17	106.5			HPF	cal							Yes
0057	LFC FCU	13:19	106.5			HPF	cal							Yes
0058	LFC FCU	13:21	106.5			HPF	cal							Yes
0059	LFC Cal	13:25	106.5			HPF	cal							Yes
0060	LFC Cal	13:27	106.5			HPF	cal							Yes
0061	Etalon Cal	13:34	159.8			HPF	cal							Yes
0062	Etalon Cal	13:38	159.8			HPF	cal							Yes
0063	Etalon Cal	13:41	159.8			HPF	cal							Yes
0064	Etalon Cal	13:44	159.8			HPF	cal							Yes
0065	UNe Slave Cal	13:48	426			HPF	cal							Yes
0066	UNe Slave Cal	13:55	426			HPF	cal							Yes
0067	UNe Slave Cal	14:03	426			HPF	cal							Yes
0068	UNe Slave Cal	14:11	426			HPF	cal							Yes
0069	UNe Slave Cal	14:19	426			HPF	cal							Yes
0070	UNe Slave Cal	14:26	426			HPF	cal							Yes
0081	LFC Cal	22:22	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:48	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:49	20			VIRUS	cal							Yes
virus0009901_01	bias	22:50	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:51	20			LRS2	cal							Yes
virus0009902_01	dark	22:52	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:53	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:54	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:56	15			LRS2	cal							Yes
0082	Dark	22:59	319.5			HPF	cal							Yes
0083	Quartz FCU	23:05	74.5			HPF	cal							Yes
0084	Quartz FCU	23:07	74.5			HPF	cal							Yes
0085	Quartz FCU	23:09	74.5			HPF	cal							Yes
0086	Quartz FCU	23:11	74.5			HPF	cal							Yes
0087	Quartz FCU	23:13	74.5			HPF	cal							Yes
0088	Quartz FCU	23:14	74.5			HPF	cal							Yes
0089	Quartz FCU	23:16	74.5			HPF	cal							Yes
0090	Alpha Bright Cal	23:18	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	23:20	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	23:22	85.2			HPF	cal							Yes
0093	Alpha Bright Cal	23:24	85.2			HPF	cal							Yes
0094	LFC FCU	23:27	106.5			HPF	cal							Yes
0095	LFC FCU	23:29	106.5			HPF	cal							Yes
0096	LFC Cal	23:32	106.5			HPF	cal							Yes
0097	LFC Cal	23:34	106.5			HPF	cal							Yes
0098	Etalon Cal	23:37	159.8			HPF	cal							Yes
0099	UNe Slave Cal	23:40	426			HPF	cal							Yes
lrs20000022_01	flat_Qth_R	23:42	15			LRS2	cal							Yes
lrs20000022_02	flat_Qth_R	23:43	15			LRS2	cal							Yes
lrs20000022_03	flat_Qth_R	23:45	15			LRS2	cal							Yes
lrs20000022_04	flat_Qth_R	23:46	15			LRS2	cal							Yes
lrs20000022_05	flat_Qth_R	23:47	15			LRS2	cal							Yes
0100	UNe Slave Cal	23:48	426			HPF	cal							Yes
lrs20000023_01	flat_ldls_long_B	23:48	20			LRS2	cal							Yes
lrs20000023_02	flat_ldls_long_B	23:50	20			LRS2	cal							Yes
lrs20000023_03	flat_ldls_long_B	23:51	20			LRS2	cal							Yes
lrs20000024_01	Cd-A_B	23:52	29			LRS2	cal							Yes
lrs20000024_02	Cd-A_B	23:54	29			LRS2	cal							Yes
lrs20000024_03	Cd-A_B	23:55	29			LRS2	cal							Yes
0101	UNe Slave Cal	23:56	426			HPF	cal							Yes
lrs20000025_01	FeAr_R	23:57	15			LRS2	cal							Yes
lrs20000025_02	FeAr_R	23:58	15			LRS2	cal							Yes
lrs20000025_03	FeAr_R	23:59	15			LRS2	cal							Yes