HET Night Report Reader

Civil Date	Ephemerides
2026-03-02	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:02	01:47	02:15	12:00	12:27	13:13	-	13:20
Night Length	9:45		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Amy Westfall Aiden Dillard

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:57	22.4	19.0	12:25	twilight	11:28
Total Time Open					11:28

Program	Night Priority	Science
02:15	Science
05:49	Idle due to weather (too close to the moon)
06:15	Science
08:25	Idle due to weather (too close to the moon)
08:47	Science
10:55	Idle due to weather (clouds)
11:37	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:36	02:11	0.79	1.35	100	-7012	20.1	19.7	19.6	71	2	First of Night
12:18	12:24	1.49	2.52	420	-6410	16.8	17.0	16.9	262	10	Post-Observing

Problem Reports					no PRs

TO Comments	Aiden training. Mostly clear and calm night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20009900_01	bias	00:19	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	00:20	20			VIRUS	cal							Yes
virus0009901_01	bias	00:22	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	00:22	20			LRS2	cal							Yes
virus0009902_01	dark	00:24	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	00:25	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	00:26	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	00:27	15			LRS2	cal							Yes
0001	Dark	00:30	319.5			HPF	cal							Yes
0002	Quartz FCU	00:37	74.5			HPF	cal							Yes
0003	Quartz FCU	00:38	74.5			HPF	cal							Yes
0004	Quartz FCU	00:40	74.5			HPF	cal							Yes
0005	Quartz FCU	00:42	74.5			HPF	cal							Yes
0006	Quartz FCU	00:44	74.5			HPF	cal							Yes
0007	Alpha Bright Cal	00:46	85.2			HPF	cal							Yes
0008	Alpha Bright Cal	00:48	85.2			HPF	cal							Yes
0009	Alpha Bright Cal	00:50	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:52	85.2			HPF	cal							Yes
0011	twilight	00:59	298.2			HPF	cal					484		Yes
lrs20000001_01	skyflat	01:07	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:08	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:09	13			LRS2	cal							Yes
0012	UNe Slave Cal	01:10	426			HPF	cal							Yes
lrs20000004_01	skyflat	01:10	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:11	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:13	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:15	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:16	10			VIRUS	cal							Yes
0013	UNe Slave Cal	01:17	426			HPF	cal							Yes
virus0000003_01	skyflat	01:18	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:19	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:21	26			VIRUS	cal							Yes
0014	UNe Slave Cal	01:25	426			HPF	cal							Yes
lrs20000007_01	flat_Qth_R	01:27	15			LRS2	cal							Yes
lrs20000007_02	flat_Qth_R	01:28	15			LRS2	cal							Yes
lrs20000007_03	flat_Qth_R	01:29	15			LRS2	cal							Yes
lrs20000007_04	flat_Qth_R	01:30	15			LRS2	cal							Yes
lrs20000007_05	flat_Qth_R	01:32	15			LRS2	cal							Yes
0015	UNe Slave Cal	01:33	426			HPF	cal							Yes
lrs20000008_01	flat_ldls_long_B	01:33	20			LRS2	cal							Yes
lrs20000008_02	flat_ldls_long_B	01:34	20			LRS2	cal							Yes
lrs20000008_03	flat_ldls_long_B	01:35	20			LRS2	cal							Yes
lrs20000009_01	Cd-A_B	01:37	29			LRS2	cal							Yes
lrs20000009_02	Cd-A_B	01:38	29			LRS2	cal							Yes
lrs20000009_03	Cd-A_B	01:40	29			LRS2	cal							Yes
0016	UNe Slave Cal	01:41	426			HPF	cal							Yes
lrs20000010_01	FeAr_R	01:41	15			LRS2	cal							Yes
lrs20000010_02	FeAr_R	01:42	15			LRS2	cal							Yes
lrs20000010_03	FeAr_R	01:44	15			LRS2	cal							Yes
lrs20000011_01	Hg_R	01:45	20			LRS2	cal							Yes
lrs20000011_02	Hg_R	01:46	20			LRS2	cal							Yes
lrs20000011_03	Hg_R	01:47	20			LRS2	cal							Yes
0017	UNe Slave Cal	01:48	426			HPF	cal							Yes
lrs20000012_01	Hg_B	01:49	15			LRS2	cal							Yes
lrs20000012_02	Hg_B	01:50	15			LRS2	cal							Yes
lrs20000012_03	Hg_B	01:51	15			LRS2	cal							Yes
virus0006100_01	dark	01:53	10			VIRUS	cal							Yes
virus0000006_01	bias	01:54	0			VIRUS	cal							Yes
virus0000007_01	flat_ldls_long	02:01	15			VIRUS	cal							Yes
virus0000007_02	flat_ldls_long	02:03	15			VIRUS	cal							Yes
virus0000007_03	flat_ldls_long	02:04	15			VIRUS	cal							Yes
virus0000008_01	Cd-A	02:06	15			VIRUS	cal							Yes
virus0000008_02	Cd-A	02:07	15			VIRUS	cal							Yes
virus0000008_03	Cd-A	02:09	15			VIRUS	cal							Yes
virus0000009_01	Hg	02:10	15			VIRUS	cal							Yes
virus0000009_02	Hg	02:12	15			VIRUS	cal							Yes
virus0000009_03	Hg	02:13	15			VIRUS	cal							Yes
virus0000010_01	parallel	02:21	360			VIRUS	sci							Yes
0018	LFC Cal	02:22	106.5			HPF	cal							Yes
lrs20000013_01	QID 2846	02:22	360	8.0	UT26-1-016	LRS2-R	sci	1.59	1.16	18.67	0.96			P4
0019	LFC Cal	02:24	106.5			HPF	cal							Yes
0020	LFC Cal	02:32	106.5			HPF	cal							Yes
virus0000011_01	parallel	02:38	1984			VIRUS	sci							Yes
0021	QID 3003	02:39	617.7	10.7	UT26-1-007	HPF	sci	1.42	1.00	19.00	0.84	64		Yes
0022	QID 3003	02:50	617.7	0.7	UT26-1-007	HPF	sci	1.42	0.96	18.99	0.85	73		Yes
0023	QID 3003	03:01	617.7	0.7	UT26-1-007	HPF	sci	1.40	1.04	18.95	0.88	79		Yes
0024	LFC Cal	03:13	106.5			HPF	cal							Yes
virus0000012_01	parallel	03:16	1984			VIRUS	sci							Yes
0025	QID 3004	03:17	617.7	5.7	UT26-1-007	HPF	sci	1.27	0.73	18.92	0.91	24		Yes
0026	QID 3004	03:28	617.7	0.7	UT26-1-007	HPF	sci	1.28	0.94	18.90	0.84	22		Yes
0027	QID 3004	03:39	617.7	0.7	UT26-1-007	HPF	sci	1.31	1.14	18.89	0.82	17		Yes
0028	LFC Cal	03:51	106.5			HPF	cal							Yes
0029	LFC Cal	03:55	106.5			HPF	cal							Yes
lrs20000014_01	QID 2857	03:55	180	6.0	UT26-1-016	LRS2-B	sci	1.48	1.03	18.36	0.88			P4
0030	LFC Cal	04:02	106.5			HPF	cal							Yes
virus0000013_01	parallel	04:02	360			VIRUS	sci							Yes
lrs20000015_01	QID 2858	04:02	360	4.0	UT26-1-016	LRS2-R	sci	1.37	0.77	18.56	0.94			P4
0031	LFC Cal	04:04	106.5			HPF	cal							Yes
virus0000014_01	parallel	04:14	2047			VIRUS	sci							Yes
0032	QID 2551	04:15	969.1	6.8	PSU26-1-019	HPF	sci	1.51	0.94	18.17	0.68	198		Yes
0033	QID 2551	04:32	969.1	0.8	PSU26-1-019	HPF	sci	1.56	0.81	18.19	0.72	206		Yes
0034	LFC Cal	04:50	106.5			HPF	cal							Yes
0035	LFC Cal	04:55	106.5			HPF	cal							Yes
lrs20000016_01	QID 2859	04:55	180	7.0	UT26-1-016	LRS2-B	sci	1.63	0.81	18.21	0.93			P4
0036	LFC Cal	05:02	106.5			HPF	cal							Yes
virus0000015_01	parallel	05:02	360			VIRUS	sci							Yes
lrs20000017_01	QID 2860	05:02	360	4.0	UT26-1-016	LRS2-R	sci	1.60	1.16	18.36	1.05			P4
0037	LFC Cal	05:05	106.5			HPF	cal							Yes
0038	QID 2996	05:16	969.1	7.8	PSU26-1-023	HPF	sci	1.41	0.94	18.41	1.01	181		Yes
virus0000016_01	parallel	05:16	2047			VIRUS	sci							Yes
0039	QID 2996	05:33	969.1	0.8	PSU26-1-023	HPF	sci	1.39	0.95	18.46	0.99	192		Yes
0040	LFC Cal	05:51	106.5			HPF	cal							Yes
0041	QID 2998	05:58	969.1	9.8	PSU26-1-023	HPF	sci	1.42	1.09	16.90	0.88	75	too close to the moon	No
virus0000017_01	parallel	05:58	2047			VIRUS	sci							Yes
0042	LFC Cal	06:16	106.5			HPF	cal							Yes
0043	QID 2768	06:24	969.1	8.8	UT26-1-014	HPF	sci	1.50	1.17	18.04	0.67	372		P4
virus0000018_01	parallel	06:24	1023			VIRUS	sci							Yes
0044	LFC Cal	06:42	106.5			HPF	cal							Yes
0045	QID 3001	06:49	969.1	8.8	PSU26-1-023	HPF	sci	1.38	0.94	17.05	0.96	261		Yes
virus0000019_01	parallel	06:49	2047			VIRUS	sci							Yes
0046	QID 3001	07:06	969.1	0.8	PSU26-1-023	HPF	sci	1.39	1.44	17.04	0.93	295		Yes
0047	LFC Cal	07:24	106.5			HPF	cal							Yes
0048	QID 2983	07:30	969.1	8.8	UT26-1-010	HPF	sci	1.66		17.36	1.00	152		Yes
virus0000020_01	parallel	07:30	2047			VIRUS	sci							Yes
0049	QID 2983	07:48	969.1	0.8	UT26-1-010	HPF	sci	1.54		17.30	0.98	150		Yes
0050	LFC Cal	08:05	106.5			HPF	cal							Yes
0051	LFC Cal	08:12	106.5			HPF	cal							Yes
lrs20000018_01	QID 2881	08:12	180	8.0	UT26-1-016	LRS2-B	sci	1.53		17.54	0.86			P4
virus0000021_01	parallel	08:18	360			VIRUS	sci							Yes
0052	LFC Cal	08:19	106.5			HPF	cal							Yes
lrs20000019_01	QID 2882	08:19	360	4.0	UT26-1-016	LRS2-R	sci	1.72	1.18	17.54	0.92			P4
0053	LFC Cal	08:21	106.5			HPF	cal							Yes
0054	QID 1484	08:31	969.1	5.8	UT26-1-010	HPF	sci	1.86	1.32	16.74	0.83	171	too close to the moon	No
virus0000022_01	parallel	08:31	2047			VIRUS	sci							Yes
0055	LFC Cal	08:49	106.5			HPF	cal							Yes
0056	LFC Cal	08:54	106.5			HPF	cal							Yes
lrs20000020_01	QID 2885	08:54	180	7.0	UT26-1-016	LRS2-B	sci	2.20	1.59	17.44	0.79			P4
0057	LFC Cal	09:04	106.5			HPF	cal							Yes
lrs20000021_01	QID 2886	09:04	360	7.0	UT26-1-016	LRS2-R	sci	2.46	1.64	17.53	0.84			P4
virus0000023_01	parallel	09:04	360			VIRUS	sci							Yes
0058	LFC Cal	09:07	106.5			HPF	cal							Yes
virus0000024_01	parallel	09:18	2047			VIRUS	sci							Yes
0059	QID 1479	09:19	969.1	8.8	UT26-1-010	HPF	sci	2.13	1.76	18.44	0.63	54		P4
0060	QID 1479	09:36	969.1	0.8	UT26-1-010	HPF	sci	1.83	1.13	18.73	0.70	61		P4
0061	LFC Cal	09:54	106.5			HPF	cal							Yes
virus0000025_01	parallel	10:01	1321			VIRUS	sci							Yes
0062	QID 1621	10:02	607.1	9.9	UT26-1-005	HPF	sci	1.85	0.89	19.43	0.67	80		Yes
0063	QID 1621	10:13	607.1	0.9	UT26-1-005	HPF	sci	1.86	1.04	19.76	0.68	74		Yes
virus0000026_01	parallel	10:31	902			VIRUS	sci							Yes
0064	QID 1622	10:32	841.4	9.0	UT26-1-005	HPF	sci	1.85	1.37	20.19	0.81	85		Yes
0065	QID 2749	10:54	42.6	8.3	UT26-1-014	HPF	sci	2.43	1.22	19.92	0.69	391		P4
0066	LFC Cal	10:56	106.5			HPF	cal							Yes
virus0000027_01	parallel	11:03	2047			VIRUS	sci							Yes
0067	QID 2975	11:04	969.1	8.8	UT26-1-010	HPF	sci	2.25	1.74	19.81	0.43	80	clouds	No
0068	QID 2975	11:21	969.1	0.8	UT26-1-010	HPF	sci	2.04	1.24	19.74	0.23	66		No
0069	LFC Cal	11:39	106.5			HPF	cal							Yes
0070	HR4936_tell_std	11:46	330.2	8.5		HPF	telluric	1.90	1.30	20.00	0.84			Yes
0071	QID 1862	11:58	969.1	6.8	PSU26-1-007	HPF	sci	1.95	1.04	19.97	0.81	41		P4
virus0000028_01	parallel	11:58	1023			VIRUS	sci							Yes
0072	LFC Cal	12:16	106.5			HPF	cal							Yes
lrs20000022_01	bias	12:16	0			LRS2	cal							Yes
virus0000029_01	bias	12:17	0			VIRUS	cal							Yes
virus0000030_01	Cd-A	12:19	15		ENG26-1-002	VIRUS	cal							Yes
virus0000031_01	Hg	12:20	15		ENG26-1-002	VIRUS	cal							Yes
0073	Dark	12:28	319.5			HPF	cal							Yes
0074	Quartz FCU	12:39	74.5			HPF	cal							Yes
0075	Quartz FCU	12:41	74.5			HPF	cal							Yes
0076	Quartz FCU	12:43	74.5			HPF	cal							Yes
0077	Quartz FCU	12:45	74.5			HPF	cal							Yes
0078	Quartz FCU	12:47	74.5			HPF	cal							Yes
0079	Quartz FCU	12:48	74.5			HPF	cal							Yes
0080	Quartz FCU	12:50	74.5			HPF	cal							Yes
0081	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0082	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0083	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0084	Alpha Bright Cal	12:58	85.2			HPF	cal							Yes
0085	LFC FCU	13:01	106.5			HPF	cal							Yes
0086	LFC FCU	13:03	106.5			HPF	cal							Yes
0087	LFC FCU	13:06	106.5			HPF	cal							Yes
0088	LFC FCU	13:08	106.5			HPF	cal							Yes
0089	LFC FCU	13:10	106.5			HPF	cal							Yes
0090	LFC FCU	13:12	106.5			HPF	cal							Yes
0091	LFC Cal	13:15	106.5			HPF	cal							Yes
0092	LFC Cal	13:18	106.5			HPF	cal							Yes
lrs20000023_01	bias	13:20	0			LRS2	cal							Yes
virus0000032_01	bias	13:20	0			VIRUS	cal							Yes
lrs20000023_02	bias	13:21	0			LRS2	cal							Yes
virus0000032_02	bias	13:21	0			VIRUS	cal							Yes
lrs20000023_03	bias	13:21	0			LRS2	cal							Yes
virus0000032_03	bias	13:22	0			VIRUS	cal							Yes
lrs20000023_04	bias	13:22	0			LRS2	cal							Yes
virus0000032_04	bias	13:22	0			VIRUS	cal							Yes
lrs20000023_05	bias	13:23	0			LRS2	cal							Yes
virus0000032_05	bias	13:23	0			VIRUS	cal							Yes
lrs20000023_06	bias	13:24	0			LRS2	cal							Yes
virus0000032_06	bias	13:24	0			VIRUS	cal							Yes
lrs20000023_07	bias	13:25	0			LRS2	cal							Yes
virus0000032_07	bias	13:25	0			VIRUS	cal							Yes
0093	Etalon Cal	13:25	159.8			HPF	cal							Yes
lrs20000023_08	bias	13:26	0			LRS2	cal							Yes
virus0000032_08	bias	13:26	0			VIRUS	cal							Yes
lrs20000023_09	bias	13:26	0			LRS2	cal							Yes
virus0000032_09	bias	13:27	0			VIRUS	cal							Yes
lrs20000023_10	bias	13:27	0			LRS2	cal							Yes
virus0000032_10	bias	13:28	0			VIRUS	cal							Yes
lrs20000023_11	bias	13:28	0			LRS2	cal							Yes
virus0000032_11	bias	13:29	0			VIRUS	cal							Yes
0094	Etalon Cal	13:29	159.8			HPF	cal							Yes
lrs20000024_01	dark	13:29	360			LRS2	cal							Yes
virus0000033_01	dark	13:30	360			VIRUS	cal							Yes
0095	Etalon Cal	13:32	159.8			HPF	cal							Yes
0096	Etalon Cal	13:35	159.8			HPF	cal							Yes
lrs20000024_02	dark	13:36	360			LRS2	cal							Yes
virus0000033_02	dark	13:36	360			VIRUS	cal							Yes
0097	UNe Slave Cal	13:39	426			HPF	cal							Yes
lrs20000024_03	dark	13:43	360			LRS2	cal							Yes
virus0000033_03	dark	13:43	360			VIRUS	cal							Yes
0098	UNe Slave Cal	13:47	426			HPF	cal							Yes
0099	UNe Slave Cal	13:54	426			HPF	cal							Yes
0100	UNe Slave Cal	14:02	426			HPF	cal							Yes
0101	UNe Slave Cal	14:10	426			HPF	cal							Yes
0102	UNe Slave Cal	14:18	426			HPF	cal							Yes
0088	LFC Cal	23:27	106.5			HPF	cal							Yes