HET Night Report Reader

Civil Date	Ephemerides
2026-02-27	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:00	01:45	02:13	12:03	12:31	13:17	-	11:35
Night Length	9:50		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Cassie Crowe

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:00	19.5	18.8	12:33	twilight	11:33
Total Time Open					11:33

Program	Night Priority	Science
02:13	Science
11:35	Idle due to weather (Poor IQ)
11:45	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:24	01:42				-6610	19.2	18.9	18.7	264	10	First of Night
12:23	12:30	0.89	1.40	0	-5028	16.5	17.3	17.2	280	13	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:27-01:27	00:00	Pistoned 4:7 by +30
6648	03:32-03:32	00:00	HObs Shifted Next Target above Currently Active Target in Schedule Viewer
6649	09:58-09:58	00:00	HObs Scheduling Targets with Fewer than Requested Exposures but Executing All Requested Exposures

TO Comments	Clear 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
lrs20000024_03	Hg_R	00:01	20			LRS2	cal							Yes
lrs20000025_01	Hg_B	00:02	15			LRS2	cal							Yes
0001	UNe Slave Cal	00:03	426			HPF	cal							Yes
lrs20000025_02	Hg_B	00:03	15			LRS2	cal							Yes
lrs20000025_03	Hg_B	00:04	15			LRS2	cal							Yes
0002	UNe Slave Cal	00:11	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:11	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:12	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:14	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:15	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:17	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:18	15			VIRUS	cal							Yes
0003	UNe Slave Cal	00:19	426			HPF	cal							Yes
virus0000003_01	Hg	00:19	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:21	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:22	15			VIRUS	cal							Yes
lrs20000001_01	dark	00:23	360			LRS2	cal							Yes
virus0000004_01	dark	00:24	360			VIRUS	cal							Yes
lrs20000001_02	dark	00:30	360			LRS2	cal							Yes
virus0000004_02	dark	00:30	360			VIRUS	cal							Yes
lrs20000001_03	dark	00:37	360			LRS2	cal							Yes
virus0000004_03	dark	00:37	360			VIRUS	cal							Yes
lrs20000002_01	skyflat	01:05	7			LRS2	cal							Yes
lrs20000003_01	skyflat	01:06	10			LRS2	cal							Yes
lrs20000004_01	skyflat	01:07	13			LRS2	cal							Yes
lrs20000005_01	skyflat	01:08	16			LRS2	cal							Yes
lrs20000006_01	skyflat	01:09	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:10	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:13	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:14	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:16	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:17	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:19	26			VIRUS	cal							Yes
lrs20000008_01	bias	01:21	0			LRS2	cal							Yes
virus0000010_01	bias	01:21	0			VIRUS	cal							Yes
lrs20000008_02	bias	01:21	0			LRS2	cal							Yes
virus0000010_02	bias	01:22	0			VIRUS	cal							Yes
lrs20000008_03	bias	01:22	0			LRS2	cal							Yes
virus0000010_03	bias	01:22	0			VIRUS	cal							Yes
lrs20000008_04	bias	01:23	0			LRS2	cal							Yes
virus0000010_04	bias	01:23	0			VIRUS	cal							Yes
lrs20000008_05	bias	01:24	0			LRS2	cal							Yes
virus0000010_05	bias	01:24	0			VIRUS	cal							Yes
lrs20000008_06	bias	01:25	0			LRS2	cal							Yes
virus0000010_06	bias	01:25	0			VIRUS	cal							Yes
lrs20000008_07	bias	01:26	0			LRS2	cal							Yes
virus0000010_07	bias	01:26	0			VIRUS	cal							Yes
lrs20000008_08	bias	01:27	0			LRS2	cal							Yes
lrs20000008_09	bias	01:27	0			LRS2	cal							Yes
virus0000010_08	bias	01:27	0			VIRUS	cal							Yes
virus0000010_09	bias	01:28	0			VIRUS	cal							Yes
lrs20000008_10	bias	01:28	0			LRS2	cal							Yes
virus0000010_10	bias	01:29	0			VIRUS	cal							Yes
lrs20000008_11	bias	01:29	0			LRS2	cal							Yes
virus0000010_11	bias	01:29	0			VIRUS	cal							Yes
virus0000011_01	parallel	01:48	2203			VIRUS	sci							Yes
0004	QID 1515	01:49	330.2	6.5	UT26-1-010	HPF	sci	1.50	1.01	18.80	0.84	348	Last exposure cut 1-minute short after reaching end of track. Please check data quality and reject if needed.	Yes
0005	QID 1515	01:55	330.2	0.5	UT26-1-010	HPF	sci	1.32	0.98	19.14	0.83	358		Yes
0006	QID 1515	02:01	330.2	0.5	UT26-1-010	HPF	sci	1.21	0.83	19.28	0.82	349		Yes
0007	QID 1515	02:07	330.2	1.5	UT26-1-010	HPF	sci	1.23	0.84	19.26	0.78	312		Yes
0008	QID 1515	02:13	330.2	0.5	UT26-1-010	HPF	sci	1.13	0.96	19.25	0.77	297		Yes
0009	QID 1515	02:19	330.2	0.5	UT26-1-010	HPF	sci	1.08	0.96	19.17	0.77	249	This exposure was cut short by about 1-minute after reaching end of track.	Yes
0010	LFC Cal	02:26	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:30	2047			VIRUS	sci							Yes
0011	QID 2640	02:31	969.1	5.8	UT26-1-003	HPF	sci	1.53	0.86	19.29	0.99	26		P4
0012	QID 2640	02:48	969.1	0.8	UT26-1-003	HPF	sci	2.21	2.26	19.05	0.90	16		P4
0013	LFC Cal	03:10	106.5			HPF	cal							Yes
virus0000013_01	parallel	03:10	600			VIRUS	sci							Yes
lrs20000009_01	QID 1719	03:10	600	6.0	UT26-1-016	LRS2-R	sci	1.71	1.82	19.10	0.96			P4
0014	LFC Cal	03:12	106.5			HPF	cal							Yes
0015	LFC Cal	03:15	106.5			HPF	cal							Yes
0016	LFC Cal	03:26	106.5			HPF	cal							Yes
virus0000014_01	parallel	03:26	300			VIRUS	sci							Yes
lrs20000010_01	QID 1720	03:26	300	6.0	UT26-1-016	LRS2-B	sci	1.47	1.08	19.02	0.90			P4
0017	LFC Cal	03:28	106.5			HPF	cal							Yes
0018	QID 1487	03:38	969.1	6.8	UT26-1-010	HPF	sci	1.54	1.04	19.06	0.99	134		P4
virus0000015_01	parallel	03:38	2047			VIRUS	sci							Yes
0019	QID 1487	03:55	969.1	0.8	UT26-1-010	HPF	sci	1.41	0.91	18.97	1.00	127		P4
0020	LFC Cal	04:13	106.5			HPF	cal							Yes
0021	QID 2551	04:19	969.1	7.8	PSU26-1-019	HPF	sci	1.49	0.94	19.04	0.65	184		Yes
virus0000016_01	parallel	04:19	2047			VIRUS	sci							Yes
0022	QID 2551	04:36	969.1	0.8	PSU26-1-019	HPF	sci	1.49	0.75	19.31	0.73	222		Yes
0023	LFC Cal	04:54	106.5			HPF	cal							Yes
0024	LFC Cal	04:58	106.5			HPF	cal							Yes
virus0000017_01	parallel	04:58	900			VIRUS	sci							Yes
lrs20000011_01	QID 2971	04:58	900	6.0	PSU26-1-012	LRS2-B	sci	1.41	0.60	19.03	0.76			Yes
0025	LFC Cal	05:01	106.5			HPF	cal							Yes
0026	LFC Cal	05:03	106.5			HPF	cal							Yes
virus0000018_01	parallel	05:17	2047			VIRUS	sci							Yes
0027	QID 2743	05:18	969.1	4.8	UT26-1-003	HPF	sci	1.19	0.63	18.66	0.94	40		P4
0028	QID 2743	05:35	969.1	0.8	UT26-1-003	HPF	sci	1.19	0.53	18.76	0.93	40		P4
0029	QID 403	05:57	969.1	5.8	UT26-1-003	HPF	sci	1.24	0.55	18.97	0.93	40		Yes
virus0000019_01	parallel	05:57	2047			VIRUS	sci							Yes
0030	QID 403	06:14	969.1	1.8	UT26-1-003	HPF	sci	1.26	0.49	19.40	1.01	45		Yes
0031	QID 2670	06:36	969.1	5.8	UT26-1-003	HPF	sci	1.10	0.51	18.93	1.00	24		P4
virus0000020_01	parallel	06:36	2047			VIRUS	sci							Yes
0032	QID 2670	06:54	969.1	0.8	UT26-1-003	HPF	sci	1.19	0.52	19.40	0.92	27		P4
0033	QID 2634	07:15	969.1	5.8	UT26-1-003	HPF	sci	1.09	0.59	18.51	0.88	26		P4
virus0000021_01	parallel	07:15	2047			VIRUS	sci							Yes
0034	QID 2634	07:33	969.1	0.8	UT26-1-003	HPF	sci	1.10	0.54	18.75	0.84	23		P4
virus0000022_01	parallel	07:56	1321			VIRUS	sci							Yes
0035	QID 138	07:57	617.7	7.7	UT26-1-009	HPF	sci	1.31	0.59	19.54	0.90	177		P4
0036	QID 138	08:08	617.7	0.7	UT26-1-009	HPF	sci	1.38	0.66	19.58	0.89	170		P4
lrs20000012_01	QID 2903	08:23	180	5.0	UT26-1-016	LRS2-B	sci	1.31	0.65	19.23	0.85			P4
0037	LFC Cal	08:24	106.5			HPF	cal							Yes
0038	LFC Cal	08:30	106.5			HPF	cal							Yes
virus0000023_01	parallel	08:30	360			VIRUS	sci							Yes
lrs20000013_01	QID 2904	08:30	360	4.0	UT26-1-016	LRS2-R	sci	1.28	0.59	19.14	1.09			P4
0039	LFC Cal	08:33	106.5			HPF	cal							Yes
virus0000024_01	parallel	08:42	2083			VIRUS	sci							Yes
0040	QID 2698	08:43	649.6	6.2	UT26-1-003	HPF	sci	1.25	0.70	18.42	0.90	80		P4
0041	QID 2698	08:54	649.6	1.2	UT26-1-003	HPF	sci	1.25	0.64	18.45	0.90	85		P4
0042	QID 2698	09:06	649.6	1.2	UT26-1-003	HPF	sci	1.22	0.66	18.18	0.88	80		P4
0043	HR5774_tell_std	09:25	117.2	8.0		HPF	telluric	1.43	0.71	19.75	0.94			Yes
0044	QID 1835	09:33	340.8	6.3	PSU26-1-010	HPF	sci	1.42	0.74	19.23	0.74	490		P4
virus0000025_01	parallel	09:33	374			VIRUS	sci							Yes
0045	LFC Cal	09:44	106.5			HPF	cal							Yes
lrs20000014_01	QID 2909	09:44	180	5.0	UT26-1-016	LRS2-B	sci	1.21	0.66	19.22	0.97			P4
virus0000026_01	parallel	09:50	360			VIRUS	sci							Yes
0046	LFC Cal	09:51	106.5			HPF	cal							Yes
lrs20000015_01	QID 2910	09:51	360	4.0	UT26-1-016	LRS2-R	sci	1.36	0.67	19.09	0.97			P4
0047	LFC Cal	09:53	106.5			HPF	cal							Yes
virus0000027_01	parallel	10:01	3309			VIRUS	sci							Yes
0048	QID 1113	10:02	766.8	5.2	UT26-1-006	HPF	sci	1.17	0.65	19.03	0.89	87		Yes
0049	QID 1113	10:16	766.8	0.2	UT26-1-006	HPF	sci	1.20	0.69	19.35	0.82	91		Yes
0050	QID 1113	10:29	766.8	1.2	UT26-1-006	HPF	sci	1.21	0.79	19.46	0.75	84		Yes
0051	QID 2748	10:50	42.6	8.3	UT26-1-014	HPF	sci	1.60	0.90	19.38	0.97	539	Tracker slightly defocused to avoid saturation.	P4
0052	LFC Cal	10:52	106.5			HPF	cal							Yes
0053	QID 2784	10:57	969.1	5.8	UT26-1-014	HPF	sci	1.40	0.84	19.89	0.74	418		P4
virus0000028_01	parallel	10:57	1023			VIRUS	sci							Yes
0054	LFC Cal	11:15	106.5			HPF	cal							Yes
0055	QID 2803	11:19	969.1	5.8	PSU26-1-024	HPF	sci	1.95	0.81	19.66	0.90	120		Yes
virus0000029_01	parallel	11:19	1023			VIRUS	sci							Yes
lrs20000016_01	QID 423	11:41	200	6.7	PSU26-1-022	LRS2-B	sci	2.12	0.86	21.19	0.78		Image quality degraded during exposure.	No
0056	LFC Cal	11:42	106.5			HPF	cal							Yes
0057	LFC Cal	11:46	106.5			HPF	cal							Yes
0058	QID 430	11:50	915.9	5.7	G26-1-002	HPF	sci	1.30	0.76	19.94	1.05	104		Yes
virus0000030_01	parallel	11:50	1959			VIRUS	sci							Yes
0059	QID 430	12:07	915.9	0.7	G26-1-002	HPF	sci	1.34	0.69	19.88	0.94	115		Yes
0060	LFC Cal	12:24	106.5			HPF	cal							Yes
lrs20000017_01	bias	12:24	0			LRS2	cal							Yes
virus0000031_01	bias	12:25	0			VIRUS	cal							Yes
virus0000032_01	Cd-A	12:29	15		ENG26-1-002	VIRUS	cal							Yes
virus0000033_01	Hg	12:31	15		ENG26-1-002	VIRUS	cal							Yes
0061	Dark	12:38	319.5			HPF	cal							Yes
0062	Quartz FCU	12:50	74.5			HPF	cal							Yes
0063	Quartz FCU	12:52	74.5			HPF	cal							Yes
0064	Quartz FCU	12:53	74.5			HPF	cal							Yes
0065	Quartz FCU	12:55	74.5			HPF	cal							Yes
0066	Quartz FCU	12:57	74.5			HPF	cal							Yes
0067	Quartz FCU	12:59	74.5			HPF	cal							Yes
0068	Quartz FCU	13:01	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	13:03	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	13:05	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	13:07	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	13:09	85.2			HPF	cal							Yes
0073	LFC FCU	13:11	106.5			HPF	cal							Yes
0074	LFC FCU	13:14	106.5			HPF	cal							Yes
0075	LFC FCU	13:16	106.5			HPF	cal							Yes
0076	LFC FCU	13:18	106.5			HPF	cal							Yes
0077	LFC FCU	13:21	106.5			HPF	cal							Yes
0078	LFC FCU	13:23	106.5			HPF	cal							Yes
0079	LFC Cal	13:26	106.5			HPF	cal							Yes
0080	LFC Cal	13:28	106.5			HPF	cal							Yes
0081	Etalon Cal	13:36	159.8			HPF	cal							Yes
0082	Etalon Cal	13:39	159.8			HPF	cal							Yes
0083	Etalon Cal	13:42	159.8			HPF	cal							Yes
0084	Etalon Cal	13:45	159.8			HPF	cal							Yes
0085	UNe Slave Cal	13:49	426			HPF	cal							Yes
0086	UNe Slave Cal	13:57	426			HPF	cal							Yes
0087	UNe Slave Cal	14:05	426			HPF	cal							Yes
0088	UNe Slave Cal	14:12	426			HPF	cal							Yes
0089	UNe Slave Cal	14:20	426			HPF	cal							Yes
0090	UNe Slave Cal	14:28	426			HPF	cal							Yes
0090	LFC Cal	22:14	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:24	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:24	20			VIRUS	cal							Yes
virus0009901_01	bias	22:26	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:26	20			LRS2	cal							Yes
virus0009902_01	dark	22:28	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:29	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:30	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:32	15			LRS2	cal							Yes
0091	Dark	22:58	319.5			HPF	cal							Yes
0092	Quartz FCU	23:05	74.5			HPF	cal							Yes
0093	Quartz FCU	23:07	74.5			HPF	cal							Yes
0094	Quartz FCU	23:08	74.5			HPF	cal							Yes
0095	Quartz FCU	23:10	74.5			HPF	cal							Yes
0096	Quartz FCU	23:12	74.5			HPF	cal							Yes
0097	Quartz FCU	23:14	74.5			HPF	cal							Yes
0098	Quartz FCU	23:16	74.5			HPF	cal							Yes
0099	Alpha Bright Cal	23:18	85.2			HPF	cal							Yes
0100	Alpha Bright Cal	23:20	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	23:22	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	23:24	85.2			HPF	cal							Yes
0103	LFC FCU	23:26	106.5			HPF	cal							Yes
0104	LFC FCU	23:29	106.5			HPF	cal							Yes
0105	LFC Cal	23:31	106.5			HPF	cal							Yes
0106	LFC Cal	23:34	106.5			HPF	cal							Yes
0107	Etalon Cal	23:36	159.8			HPF	cal							Yes
0108	UNe Slave Cal	23:40	426			HPF	cal							Yes
lrs20000020_01	flat_Qth_R	23:40	15			LRS2	cal							Yes
lrs20000020_02	flat_Qth_R	23:41	15			LRS2	cal							Yes
lrs20000020_03	flat_Qth_R	23:43	15			LRS2	cal							Yes
lrs20000020_04	flat_Qth_R	23:44	15			LRS2	cal							Yes
lrs20000020_05	flat_Qth_R	23:45	15			LRS2	cal							Yes
lrs20000021_01	flat_ldls_long_B	23:46	20			LRS2	cal							Yes
0109	UNe Slave Cal	23:48	426			HPF	cal							Yes
lrs20000021_02	flat_ldls_long_B	23:48	20			LRS2	cal							Yes
lrs20000021_03	flat_ldls_long_B	23:49	20			LRS2	cal							Yes
lrs20000022_01	Cd-A_B	23:50	29			LRS2	cal							Yes
lrs20000022_02	Cd-A_B	23:52	29			LRS2	cal							Yes
lrs20000022_03	Cd-A_B	23:53	29			LRS2	cal							Yes
lrs20000023_01	FeAr_R	23:55	15			LRS2	cal							Yes
0110	UNe Slave Cal	23:55	426			HPF	cal							Yes
lrs20000023_02	FeAr_R	23:56	15			LRS2	cal							Yes
lrs20000023_03	FeAr_R	23:57	15			LRS2	cal							Yes
lrs20000024_01	Hg_R	23:58	20			LRS2	cal							Yes
lrs20000024_02	Hg_R	23:59	20			LRS2	cal							Yes