HET Night Report Reader

Civil Date	Ephemerides
2026-03-03	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:03	01:48	02:16	11:58	12:26	13:12	01:30	-
Night Length	9:42		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	Aiden and Tyler (new TO and RA)

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:53	20.5	17.1	12:28	twilight	11:35
Total Time Open					11:35

Program	Night Priority	Science
02:16	Science
04:48	Idle due to weather (too close to the moon)
05:30	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:28	02:07	078	1.48	70	-6857	19.6	17.9	17.6	299	13	First of Night
↪ Comments			Measured HEFI at 1/125
12:13	12:25	1.02	2.17	230	-5500	15.8	16.5	16.5	310	16	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:36-01:36	00:00	Pistoned 4:7 by +20
6161	01:28-01:28	00:00	Err 16 on DMI
6650	05:49-06:36	00:47	Power blip stopped track. Got 'Process Pump' email.	Called: John Crump John came up and double-checked the pump. It was fine.
6554	08:25-08:26	00:01	HPF ACQ stopped updating

TO Comments	Some clouds on horizon at some points. Had a power blip that killed the track we were on. Ran without DMI 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
0001	UNe Slave Cal	00:00	426			HPF	cal							Yes
lrs20000028_01	FeAr_R	00:00	15			LRS2	cal							Yes
lrs20000028_02	FeAr_R	00:01	15			LRS2	cal							Yes
lrs20000028_03	FeAr_R	00:02	15			LRS2	cal							Yes
lrs20000029_01	Hg_R	00:04	20			LRS2	cal							Yes
lrs20000029_02	Hg_R	00:05	20			LRS2	cal							Yes
lrs20000029_03	Hg_R	00:06	20			LRS2	cal							Yes
0002	UNe Slave Cal	00:08	426			HPF	cal							Yes
lrs20000030_01	Hg_B	00:08	15			LRS2	cal							Yes
lrs20000030_02	Hg_B	00:09	15			LRS2	cal							Yes
lrs20000030_03	Hg_B	00:10	15			LRS2	cal							Yes
0003	UNe Slave Cal	00:16	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:17	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:18	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:20	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:21	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:22	15			VIRUS	cal							Yes
0004	UNe Slave Cal	00:23	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:24	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:25	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:27	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:28	15			VIRUS	cal							Yes
lrs20000001_01	dark	00:30	360			LRS2	cal							Yes
virus0000004_01	dark	00:30	360			VIRUS	cal							Yes
lrs20000001_02	dark	00:36	360			LRS2	cal							Yes
virus0000004_02	dark	00:37	360			VIRUS	cal							Yes
lrs20000001_03	dark	00:43	360			LRS2	cal							Yes
virus0000004_03	dark	00:43	360			VIRUS	cal							Yes
lrs20000002_01	skyflat	01:08	7			LRS2	cal							Yes
lrs20000003_01	skyflat	01:09	10			LRS2	cal							Yes
lrs20000004_01	skyflat	01:10	13			LRS2	cal							Yes
lrs20000005_01	skyflat	01:11	16			LRS2	cal							Yes
lrs20000006_01	skyflat	01:12	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:14	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:16	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:17	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:19	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:20	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:21	26			VIRUS	cal							Yes
lrs20000008_01	bias	01:24	0			LRS2	cal							Yes
virus0000010_01	bias	01:24	0			VIRUS	cal							Yes
lrs20000008_02	bias	01:24	0			LRS2	cal							Yes
lrs20000008_03	bias	01:25	0			LRS2	cal							Yes
virus0000010_02	bias	01:25	0			VIRUS	cal							Yes
virus0000010_03	bias	01:26	0			VIRUS	cal							Yes
lrs20000008_04	bias	01:26	0			LRS2	cal							Yes
virus0000010_04	bias	01:26	0			VIRUS	cal							Yes
lrs20000008_05	bias	01:27	0			LRS2	cal							Yes
virus0000010_05	bias	01:27	0			VIRUS	cal							Yes
lrs20000008_06	bias	01:28	0			LRS2	cal							Yes
virus0000010_06	bias	01:28	0			VIRUS	cal							Yes
lrs20000008_07	bias	01:29	0			LRS2	cal							Yes
virus0000010_07	bias	01:29	0			VIRUS	cal							Yes
lrs20000008_08	bias	01:29	0			LRS2	cal							Yes
virus0000010_08	bias	01:30	0			VIRUS	cal							Yes
lrs20000008_09	bias	01:30	0			LRS2	cal							Yes
virus0000010_09	bias	01:31	0			VIRUS	cal							Yes
lrs20000008_10	bias	01:31	0			LRS2	cal							Yes
virus0000010_10	bias	01:32	0			VIRUS	cal							Yes
lrs20000008_11	bias	01:32	0			LRS2	cal							Yes
virus0000010_11	bias	01:32	0			VIRUS	cal							Yes
0005	LFC Cal	02:13	106.5			HPF	cal							Yes
lrs20000009_01	QID 2845	02:13	180	6.0	UT26-1-016	LRS2-B	sci	1.89	0.81	19.25	0.80			P4
virus0000011_01	parallel	02:20	2047			VIRUS	sci							Yes
0006	QID 3000	02:21	969.1	4.8	PSU26-1-023	HPF	sci	1.30	0.78	19.38	0.88	99		Yes
0007	QID 3000	02:38	969.1	0.8	PSU26-1-023	HPF	sci	1.26	0.74	19.00	0.88	103		Yes
0008	LFC Cal	02:56	106.5			HPF	cal							Yes
0009	QID 2984	03:00	969.1	5.8	UT26-1-010	HPF	sci	1.52	0.75	18.90	0.95	86		Yes
virus0000012_01	parallel	03:00	2047			VIRUS	sci							Yes
0010	QID 2984	03:17	969.1	1.8	UT26-1-010	HPF	sci	1.50	0.67	18.53	0.90	74		Yes
0011	LFC Cal	03:35	106.5			HPF	cal							Yes
0012	QID 2982	03:41	969.1	6.8	UT26-1-010	HPF	sci	1.32	0.67	19.06		92	binary?	Yes
virus0000013_01	parallel	03:41	2047			VIRUS	sci							Yes
0013	QID 2982	03:58	969.1	1.8	UT26-1-010	HPF	sci	1.39	0.69	18.52		80		Yes
0014	LFC Cal	04:16	106.5			HPF	cal							Yes
0015	QID 137	04:23	713.6	8.1	UT26-1-009	HPF	sci	1.53	0.63	18.74	0.91	76		P4
virus0000014_01	parallel	04:23	1541			VIRUS	sci							Yes
0016	QID 137	04:36	713.6	1.1	UT26-1-009	HPF	sci	1.45	0.67	18.92	0.98	95		P4
virus0000015_01	parallel	04:55	2083			VIRUS	sci							Yes
0017	QID 2976	04:56	649.6	7.2	UT26-1-010	HPF	sci	1.68	0.84	15.82	0.76	337	too close to the moon + some clouds	No
0018	QID 2976	05:07	649.6	1.2	UT26-1-010	HPF	sci	1.39	0.74	15.73	0.76	389		No
0019	QID 2976	05:19	649.6	1.2	UT26-1-010	HPF	sci	1.35	0.90	15.97	0.79	350		No
0020	LFC Cal	05:31	106.5			HPF	cal							Yes
lrs20000010_01	QID 2865	05:36	180	6.0	UT26-1-016	LRS2-B	sci	1.53	0.82	17.82	0.71			P4
0021	LFC Cal	05:37	106.5			HPF	cal							Yes
0022	LFC Cal	05:43	106.5			HPF	cal							Yes
virus0000016_01	parallel	05:43	360			VIRUS	sci							Yes
lrs20000011_01	QID 2866	05:43	360	4.0	UT26-1-016	LRS2-R	sci	1.43	0.76	17.42	0.65			P4
0023	LFC Cal	05:45	106.5			HPF	cal							Yes
0024	LFC Cal	05:50	106.5			HPF	cal							Yes
0025	QID 431	05:54	915.9	4.7	G26-1-002	HPF	sci	1.49	0.79	18.11	0.88	72	trajectory aborted after power outage	No
virus0000017_01	parallel	05:54	1959			VIRUS	sci							Yes
0026	QID 431	06:10	915.9	0.7	G26-1-002	HPF	sci	1.55	0.85	17.79	0.84			No
0027	LFC Cal	06:27	106.5			HPF	cal							Yes
virus0000018_01	parallel	06:40	1060			VIRUS	sci							Yes
0028	QID 140	06:41	308.9	4.9	UT26-1-009	HPF	sci	1.43	0.72	18.56	0.87	619		P4
0029	QID 140	06:47	308.9	0.9	UT26-1-009	HPF	sci	1.33	0.73	18.58	0.88	639		P4
0030	QID 140	06:52	308.9	0.9	UT26-1-009	HPF	sci	1.27	0.79	18.63	0.85	599		P4
0031	LFC Cal	06:59	106.5			HPF	cal							Yes
virus0000019_01	parallel	07:06	1984			VIRUS	sci							Yes
0032	QID 1597	07:07	617.7	8.7	UT26-1-007	HPF	sci	1.42	0.82	18.30	0.92	32		Yes
0033	QID 1597	07:18	617.7	0.7	UT26-1-007	HPF	sci	1.38	0.80	18.24	0.91	30		Yes
0034	QID 1597	07:29	617.7	0.7	UT26-1-007	HPF	sci	1.33	0.83	18.19	0.90	25		Yes
0035	LFC Cal	07:41	106.5			HPF	cal							Yes
virus0000020_01	parallel	07:45	1321			VIRUS	sci							Yes
0036	QID 138	07:46	617.7	6.7	UT26-1-009	HPF	sci	1.35	0.81	18.71	0.89	175		P4
0037	QID 138	07:57	617.7	0.7	UT26-1-009	HPF	sci	1.36	0.84	18.72	0.88	170		P4
lrs20000012_01	BD+262606_056_E	08:13	60	6.0		LRS2	spec	1.52	0.96	18.19	0.66			Yes
lrs20000013_01	BD+262606_066_E	08:17	30	2.5		LRS2	spec	1.58	0.80	18.24	0.76			Yes
0038	QID 2990	08:30	969.1	13.8	UT26-1-010	HPF	sci	1.41	1.01	18.61	0.65	63		Yes
virus0000021_01	parallel	08:30	2047			VIRUS	sci							Yes
0039	QID 2990	08:47	969.1	0.8	UT26-1-010	HPF	sci	1.34	1.01	18.69	0.70	73		Yes
0040	LFC Cal	09:05	106.5			HPF	cal							Yes
0041	LFC Cal	09:09	106.5			HPF	cal							Yes
lrs20000014_01	QID 2900	09:09	360	5.0	UT26-1-016	LRS2-R	sci	1.40	0.97	18.46	1.04			P4
virus0000022_01	parallel	09:09	360			VIRUS	sci							Yes
0042	LFC Cal	09:12	106.5			HPF	cal							Yes
0043	LFC Cal	09:19	106.5			HPF	cal							Yes
lrs20000015_01	QID 2899	09:19	180	4.0	UT26-1-016	LRS2-B	sci	1.39	0.99	18.50	0.83			P4
virus0000023_01	parallel	09:27	374			VIRUS	sci							Yes
0044	QID 1831	09:28	340.8	6.3	PSU26-1-010	HPF	sci	1.45	0.97	18.76	0.76	516		Yes
virus0000024_01	parallel	09:38	2047			VIRUS	sci							Yes
0045	QID 2997	09:39	969.1	4.8	PSU26-1-023	HPF	sci	1.51	0.93	18.74	0.82	86		Yes
0046	QID 2997	09:56	969.1	0.8	PSU26-1-023	HPF	sci	1.47	0.93	18.83	0.88	102		Yes
0047	LFC Cal	10:14	106.5			HPF	cal							Yes
0048	QID 2989	10:19	969.1	7.8	UT26-1-010	HPF	sci	1.43	0.89	16.84	0.86	274		Yes
virus0000025_01	parallel	10:19	2047			VIRUS	sci							Yes
0049	QID 2989	10:37	969.1	0.8	UT26-1-010	HPF	sci	1.48	1.06	16.48	0.86	243		Yes
0050	LFC Cal	10:54	106.5			HPF	cal							Yes
0051	QID 2975	10:59	969.1	5.8	UT26-1-010	HPF	sci	1.39	0.88	18.52	0.92	167		Yes
virus0000026_01	parallel	10:59	2047			VIRUS	sci							Yes
0052	QID 2975	11:16	969.1	0.8	UT26-1-010	HPF	sci	1.40	0.95	18.80	0.93	181		Yes
0053	LFC Cal	11:34	106.5			HPF	cal							Yes
0054	QID 2974	11:38	969.1	5.8	UT26-1-010	HPF	sci	1.47	0.83	18.45	0.86	94		Yes
virus0000027_01	parallel	11:38	2047			VIRUS	sci							Yes
0055	QID 2974	11:55	969.1	1.8	UT26-1-010	HPF	sci	1.43	0.95	19.04	0.89	102		Yes
0056	LFC Cal	12:13	106.5			HPF	cal							Yes
lrs20000016_01	bias	12:14	0			LRS2	cal							Yes
virus0000028_01	bias	12:14	0			VIRUS	cal							Yes
virus0000029_01	Cd-A	12:19	15		ENG26-1-002	VIRUS	cal							Yes
virus0000030_01	Hg	12:20	15		ENG26-1-002	VIRUS	cal							Yes
0057	Dark	12:28	319.5			HPF	cal							Yes
0058	Quartz FCU	12:39	74.5			HPF	cal							Yes
0059	Quartz FCU	12:41	74.5			HPF	cal							Yes
0060	Quartz FCU	12:43	74.5			HPF	cal							Yes
0061	Quartz FCU	12:45	74.5			HPF	cal							Yes
0062	Quartz FCU	12:46	74.5			HPF	cal							Yes
0063	Quartz FCU	12:48	74.5			HPF	cal							Yes
0064	Quartz FCU	12:50	74.5			HPF	cal							Yes
0065	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	12:58	85.2			HPF	cal							Yes
0069	LFC FCU	13:01	106.5			HPF	cal							Yes
0070	LFC FCU	13:03	106.5			HPF	cal							Yes
0071	LFC FCU	13:05	106.5			HPF	cal							Yes
0072	LFC FCU	13:08	106.5			HPF	cal							Yes
0073	LFC FCU	13:10	106.5			HPF	cal							Yes
0074	LFC FCU	13:12	106.5			HPF	cal							Yes
0075	LFC Cal	13:15	106.5			HPF	cal							Yes
0076	LFC Cal	13:18	106.5			HPF	cal							Yes
0077	Etalon Cal	13:25	159.8			HPF	cal							Yes
0078	Etalon Cal	13:28	159.8			HPF	cal							Yes
0079	Etalon Cal	13:32	159.8			HPF	cal							Yes
0080	Etalon Cal	13:35	159.8			HPF	cal							Yes
0081	UNe Slave Cal	13:39	426			HPF	cal							Yes
0082	UNe Slave Cal	13:46	426			HPF	cal							Yes
0083	UNe Slave Cal	13:54	426			HPF	cal							Yes
0084	UNe Slave Cal	14:02	426			HPF	cal							Yes
0085	UNe Slave Cal	14:10	426			HPF	cal							Yes
0086	UNe Slave Cal	14:17	426			HPF	cal							Yes
0103	LFC Cal	22:31	106.5			HPF	cal							Yes
lrs20009909_01	bias	22:40	0			LRS2	cal							Yes
virus0009907_01	flat_Qth	22:41	20			VIRUS	cal							Yes
virus0009908_01	bias	22:43	0			VIRUS	cal							Yes
lrs20009910_01	flat_ldls_long_B	22:43	20			LRS2	cal							Yes
virus0009909_01	dark	22:45	15			VIRUS	cal							Yes
lrs20009911_01	Cd-A_B	22:46	29			LRS2	cal							Yes
lrs20009912_01	FeAr_R	22:47	15			LRS2	cal							Yes
lrs20009913_01	Hg_B	22:48	15			LRS2	cal							Yes
0104	Dark	23:03	319.5			HPF	cal							Yes
0105	Quartz FCU	23:09	74.5			HPF	cal							Yes
0106	Quartz FCU	23:11	74.5			HPF	cal							Yes
0107	Quartz FCU	23:13	74.5			HPF	cal							Yes
0108	Quartz FCU	23:15	74.5			HPF	cal							Yes
0109	Quartz FCU	23:16	74.5			HPF	cal							Yes
0110	Quartz FCU	23:18	74.5			HPF	cal							Yes
0111	Quartz FCU	23:20	74.5			HPF	cal							Yes
0112	Alpha Bright Cal	23:22	85.2			HPF	cal							Yes
0113	Alpha Bright Cal	23:24	85.2			HPF	cal							Yes
0114	Alpha Bright Cal	23:26	85.2			HPF	cal							Yes
0115	Alpha Bright Cal	23:28	85.2			HPF	cal							Yes
0116	LFC FCU	23:31	106.5			HPF	cal							Yes
0117	LFC FCU	23:33	106.5			HPF	cal							Yes
0118	LFC Cal	23:36	106.5			HPF	cal							Yes
0119	LFC Cal	23:38	106.5			HPF	cal							Yes
0120	Etalon Cal	23:41	159.8			HPF	cal							Yes
0121	UNe Slave Cal	23:45	426			HPF	cal							Yes
lrs20000025_01	flat_Qth_R	23:45	15			LRS2	cal							Yes
lrs20000025_02	flat_Qth_R	23:47	15			LRS2	cal							Yes
lrs20000025_03	flat_Qth_R	23:48	15			LRS2	cal							Yes
lrs20000025_04	flat_Qth_R	23:49	15			LRS2	cal							Yes
lrs20000025_05	flat_Qth_R	23:50	15			LRS2	cal							Yes
lrs20000026_01	flat_ldls_long_B	23:51	20			LRS2	cal							Yes
0122	UNe Slave Cal	23:52	426			HPF	cal							Yes
lrs20000026_02	flat_ldls_long_B	23:53	20			LRS2	cal							Yes
lrs20000026_03	flat_ldls_long_B	23:54	20			LRS2	cal							Yes
lrs20000027_01	Cd-A_B	23:56	29			LRS2	cal							Yes
lrs20000027_02	Cd-A_B	23:57	29			LRS2	cal							Yes
lrs20000027_03	Cd-A_B	23:58	29			LRS2	cal							Yes