HET Night Report Reader

Civil Date	Ephemerides
2026-03-08	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:06	01:51	02:19	11:53	12:21	13:06	06:21	-
Night Length	8:34		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Jose Fernandez / Zach Vanderbosch	Amy Westfall Cassie Crowe

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:03	14.4	13.7	05:25	dew point	04:22
07:23	13.5	12.4	11:19	clouds	03:56
Total Time Open					8:18

Program	Night Priority	Science
02:19	Science
03:55	Idle due to weather (high humidity, considering closing dome)
04:06	Science
05:25	Idle due to weather (Dew Point)
07:25	Science
08:59	Idle due to weather (Clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:32	02:29	0.50	0.86	80	-6174	13.2	13.7	13.7	161	6	First of Night
11:10	11:16	0.80	1.36	105	-5421	13.2	13.4	13.2	191	13	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
4683	08:04-08:37	00:33	08:31:33 ERROR: trajectory - Failed to send point to TMCS. Shutting down trajectory..

TO Comments	Clouds at EON.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000017_03	flat_Qth_R	00:01	15			LRS2	cal							Yes
lrs20000017_04	flat_Qth_R	00:02	15			LRS2	cal							Yes
lrs20000017_05	flat_Qth_R	00:03	15			LRS2	cal							Yes
0001	UNe Slave Cal	00:04	426			HPF	cal							Yes
lrs20000018_01	flat_ldls_long_B	00:04	20			LRS2	cal							Yes
lrs20000018_02	flat_ldls_long_B	00:06	20			LRS2	cal							Yes
lrs20000018_03	flat_ldls_long_B	00:07	20			LRS2	cal							Yes
lrs20000019_01	Cd-A_B	00:08	29			LRS2	cal							Yes
lrs20000019_02	Cd-A_B	00:10	29			LRS2	cal							Yes
lrs20000019_03	Cd-A_B	00:11	29			LRS2	cal							Yes
0002	UNe Slave Cal	00:12	426			HPF	cal							Yes
lrs20000020_01	FeAr_R	00:13	15			LRS2	cal							Yes
lrs20000020_02	FeAr_R	00:14	15			LRS2	cal							Yes
lrs20000020_03	FeAr_R	00:15	15			LRS2	cal							Yes
lrs20000021_01	Hg_R	00:16	20			LRS2	cal							Yes
lrs20000021_02	Hg_R	00:18	20			LRS2	cal							Yes
lrs20000021_03	Hg_R	00:19	20			LRS2	cal							Yes
0003	UNe Slave Cal	00:20	426			HPF	cal							Yes
lrs20000022_01	Hg_B	00:20	15			LRS2	cal							Yes
lrs20000022_02	Hg_B	00:22	15			LRS2	cal							Yes
lrs20000022_03	Hg_B	00:23	15			LRS2	cal							Yes
0004	UNe Slave Cal	00:28	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:29	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:31	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:32	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:34	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:35	15			VIRUS	cal							Yes
0005	UNe Slave Cal	00:36	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:37	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:38	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:40	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:41	15			VIRUS	cal							Yes
lrs20000001_01	dark	00:42	360			LRS2	cal							Yes
virus0000004_01	dark	00:42	360			VIRUS	cal							Yes
lrs20000001_02	dark	00:49	360			LRS2	cal							Yes
virus0000004_02	dark	00:49	360			VIRUS	cal							Yes
lrs20000001_03	dark	00:56	360			LRS2	cal							Yes
virus0000004_03	dark	00:56	360			VIRUS	cal							Yes
lrs20000002_01	skyflat	01:11	7			LRS2	cal							Yes
lrs20000003_01	skyflat	01:12	10			LRS2	cal							Yes
lrs20000004_01	skyflat	01:13	13			LRS2	cal							Yes
lrs20000005_01	skyflat	01:14	16			LRS2	cal							Yes
lrs20000006_01	skyflat	01:16	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:17	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:19	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:21	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:22	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:23	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:25	26			VIRUS	cal							Yes
virus0000010_01	parallel	02:39	1541			VIRUS	sci							Yes
0006	QID 139	02:40	713.6	9.1	UT26-1-009	HPF	sci	1.46	0.80	20.02	0.83	86		P4
0007	QID 139	02:52	713.6	1.1	UT26-1-009	HPF	sci	1.38	0.77	20.00	0.84	83		P4
0008	LFC Cal	03:11	106.5			HPF	cal							Yes
lrs20000008_01	parallel	03:11	360			LRS2	sci							Yes
virus0000011_01	QID 390	03:11	360	7.0	UT26-1-008	VIRUS	sci	1.44	0.68	21.84	0.84			Yes
0009	LFC Cal	03:13	106.5			HPF	cal							Yes
lrs20000008_02	parallel	03:18	360			LRS2	sci							Yes
virus0000011_02	QID 390	03:18	360	1.0	UT26-1-008	VIRUS	sci	1.44	0.74	21.85	0.83			Yes
lrs20000008_03	parallel	03:25	360			LRS2	sci							Yes
virus0000011_03	QID 390	03:25	360	1.0	UT26-1-008	VIRUS	sci	1.37	0.72	21.86	0.85			Yes
0010	QID 3020	03:38	308.9	6.9	UT26-1-009	HPF	sci	1.57	0.96	20.33	0.91	117		Yes
virus0000012_01	parallel	03:38	1060			VIRUS	sci							Yes
0011	QID 3020	03:44	308.9	0.9	UT26-1-009	HPF	sci	1.54	0.72	20.31	0.90	124		Yes
0012	QID 3020	03:50	308.9	0.9	UT26-1-009	HPF	sci	1.49	0.84	20.41	0.89	132		Yes
lrs20000009_01	bias	03:56	0			LRS2	cal							Yes
virus0000013_01	bias	03:57	0			VIRUS	cal							Yes
lrs20000009_02	bias	03:57	0			LRS2	cal							Yes
virus0000013_02	bias	03:57	0			VIRUS	cal							Yes
lrs20000009_03	bias	03:58	0			LRS2	cal							Yes
virus0000013_03	bias	03:58	0			VIRUS	cal							Yes
lrs20000009_04	bias	03:59	0			LRS2	cal							Yes
virus0000013_04	bias	03:59	0			VIRUS	cal							Yes
lrs20000009_05	bias	04:00	0			LRS2	cal							Yes
virus0000013_05	bias	04:00	0			VIRUS	cal							Yes
lrs20000009_06	bias	04:01	0			LRS2	cal							Yes
virus0000013_06	bias	04:01	0			VIRUS	cal							Yes
lrs20000009_07	bias	04:01	0			LRS2	cal							Yes
lrs20000009_08	bias	04:02	0			LRS2	cal							Yes
virus0000013_07	bias	04:02	0			VIRUS	cal							Yes
virus0000013_08	bias	04:03	0			VIRUS	cal							Yes
lrs20000009_09	bias	04:03	0			LRS2	cal							Yes
virus0000013_09	bias	04:04	0			VIRUS	cal							Yes
lrs20000009_10	bias	04:04	0			LRS2	cal							Yes
virus0000013_10	bias	04:04	0			VIRUS	cal							Yes
lrs20000009_11	bias	04:05	0			LRS2	cal							Yes
virus0000013_11	bias	04:05	0			VIRUS	cal							Yes
0013	LFC Cal	04:11	106.5			HPF	cal							Yes
lrs20000010_01	parallel	04:11	600			LRS2	sci							Yes
virus0000014_01	QID 3017	04:11	600	5.0	M26-1-010	VIRUS	sci	1.73	1.26	21.86	0.78			Yes
0014	LFC Cal	04:14	106.5			HPF	cal							Yes
0015	LFC Cal	04:16	106.5			HPF	cal							Yes
lrs20000010_02	parallel	04:22	600			LRS2	sci							Yes
virus0000014_02	QID 3017	04:22	600	1.0	M26-1-010	VIRUS	sci	1.96	1.14	21.82	0.74			Yes
lrs20000010_03	parallel	04:33	600			LRS2	sci							Yes
virus0000014_03	QID 3017	04:33	600	1.0	M26-1-010	VIRUS	sci	1.78	1.06	21.77	0.74			Yes
virus0000015_01	parallel	04:51	2047			VIRUS	sci							Yes
0016	QID 2996	04:52	969.1	8.8	PSU26-1-023	HPF	sci	1.49	0.77	20.20	0.81	150		Yes
0017	QID 2996	05:09	969.1	0.8	PSU26-1-023	HPF	sci	1.64	1.40	20.21	0.87	164		Yes
0018	LFC Cal	05:27	106.5			HPF	cal							Yes
0019	QID 1498	07:30	969.1	4.8	UT26-1-010	HPF	sci	1.91		19.66	0.92	40		P4
virus0000016_01	parallel	07:30	2047			VIRUS	sci							Yes
0020	QID 1498	07:47	969.1	1.8	UT26-1-010	HPF	sci	2.01		19.86	0.90	44		P4
0021	LFC Cal	08:05	106.5			HPF	cal							Yes
virus0000017_01	parallel	08:11	2083			VIRUS	sci							Yes
0022	QID 2994	08:12	649.6	8.2	PSU26-1-023	HPF	sci	2.25		20.03	0.90	269	Trajectory unexpectedly stopped during second exposure.	No
0023	QID 2994	08:23	649.6	0.2	PSU26-1-023	HPF	sci	2.03		19.99	0.91			No
0024	LFC Cal	08:36	106.5			HPF	cal							Yes
virus0000018_01	GRW+705824_034_E	08:42	60	8.0		VIRUS	spec	2.50		20.36	0.57			Yes
virus0000018_02	GRW+705824_034_E	08:45	60	2.0		VIRUS	spec	2.51		20.21	0.45			Yes
virus0000018_03	GRW+705824_034_E	08:47	60	1.0		VIRUS	spec	2.48		20.14	0.48			Yes
0025	HR4131_tell_std	08:54	330.2	5.5		HPF	telluric	2.18		19.03	0.43			Yes
0026	QID 2998	09:05	969.1	5.8	PSU26-1-023	HPF	sci	1.80		18.91	0.47	42	Clouds, low transparency.	No
virus0000019_01	parallel	09:05	2047			VIRUS	sci							Yes
0027	QID 2998	09:22	969.1	0.8	PSU26-1-023	HPF	sci	1.95		19.93	0.85	58		No
0028	LFC Cal	09:40	106.5			HPF	cal							Yes
virus0000020_01	parallel	09:44	2047			VIRUS	sci							Yes
0029	QID 1316	09:45	969.1	6.8	PSU26-1-023	HPF	sci	1.72		18.84	0.48	59	Clouds, low transparency.	No
0030	QID 1316	10:02	969.1	0.8	PSU26-1-023	HPF	sci	1.66		19.03	0.60	69		No
0031	LFC Cal	10:20	106.5			HPF	cal							Yes
0032	QID 2993	10:35	969.1	5.8	PSU26-1-023	HPF	sci	1.74		19.31	0.67	111	Clouds, low transparency.	No
virus0000021_01	parallel	10:35	2047			VIRUS	sci							Yes
0033	QID 2993	10:52	969.1	0.8	PSU26-1-023	HPF	sci	1.65		18.94	0.49	34		No
lrs20000011_01	bias	11:12	0			LRS2	cal							Yes
virus0000022_01	bias	11:12	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	11:17	15		ENG-002	VIRUS	cal							Yes
virus0000024_01	Hg	11:18	15		ENG-002	VIRUS	cal							Yes
0034	Dark	11:28	319.5			HPF	cal							Yes
0035	Quartz FCU	11:40	74.5			HPF	cal							Yes
0036	Quartz FCU	11:42	74.5			HPF	cal							Yes
0037	Quartz FCU	11:44	74.5			HPF	cal							Yes
0038	Quartz FCU	11:45	74.5			HPF	cal							Yes
0039	Quartz FCU	11:47	74.5			HPF	cal							Yes
0040	Quartz FCU	11:49	74.5			HPF	cal							Yes
0041	Quartz FCU	11:51	74.5			HPF	cal							Yes
0042	Alpha Bright Cal	11:53	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	11:55	85.2			HPF	cal							Yes
0044	Alpha Bright Cal	11:57	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	11:59	85.2			HPF	cal							Yes
0046	LFC FCU	12:02	106.5			HPF	cal							Yes
0047	LFC FCU	12:04	106.5			HPF	cal							Yes
0048	LFC FCU	12:06	106.5			HPF	cal							Yes
0049	LFC FCU	12:08	106.5			HPF	cal							Yes
0050	LFC FCU	12:11	106.5			HPF	cal							Yes
0051	LFC FCU	12:13	106.5			HPF	cal							Yes
0052	LFC Cal	12:16	106.5			HPF	cal							Yes
0053	LFC Cal	12:18	106.5			HPF	cal							Yes
0054	Etalon Cal	12:26	159.8			HPF	cal							Yes
0055	Etalon Cal	12:29	159.8			HPF	cal							Yes
0056	Etalon Cal	12:32	159.8			HPF	cal							Yes
0057	Etalon Cal	12:36	159.8			HPF	cal							Yes
0058	UNe Slave Cal	12:39	426			HPF	cal							Yes
0059	UNe Slave Cal	12:47	426			HPF	cal							Yes
0060	UNe Slave Cal	12:55	426			HPF	cal							Yes
0061	UNe Slave Cal	13:03	426			HPF	cal							Yes
0062	UNe Slave Cal	13:10	426			HPF	cal							Yes
0063	UNe Slave Cal	13:18	426			HPF	cal							Yes
lrs20009900_01	bias	23:01	0			LRS2	cal							Yes
0073	LFC Cal	23:01	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	23:02	20			VIRUS	cal							Yes
virus0009901_01	bias	23:03	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
virus0009902_01	dark	23:05	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:08	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:09	15			LRS2	cal							Yes
0074	Dark	23:15	319.5			HPF	cal							Yes
0075	Quartz FCU	23:21	74.5			HPF	cal							Yes
0076	Quartz FCU	23:23	74.5			HPF	cal							Yes
0077	Quartz FCU	23:25	74.5			HPF	cal							Yes
0078	Quartz FCU	23:27	74.5			HPF	cal							Yes
0079	Quartz FCU	23:28	74.5			HPF	cal							Yes
0080	Quartz FCU	23:30	74.5			HPF	cal							Yes
0081	Quartz FCU	23:32	74.5			HPF	cal							Yes
0082	Alpha Bright Cal	23:34	85.2			HPF	cal							Yes
0083	Alpha Bright Cal	23:36	85.2			HPF	cal							Yes
0084	Alpha Bright Cal	23:38	85.2			HPF	cal							Yes
0085	Alpha Bright Cal	23:40	85.2			HPF	cal							Yes
0086	LFC FCU	23:43	106.5			HPF	cal							Yes
0087	LFC FCU	23:45	106.5			HPF	cal							Yes
0088	LFC Cal	23:48	106.5			HPF	cal							Yes
0089	LFC Cal	23:50	106.5			HPF	cal							Yes
0090	Etalon Cal	23:53	159.8			HPF	cal							Yes
0091	UNe Slave Cal	23:57	426			HPF	cal							Yes
lrs20000017_01	flat_Qth_R	23:58	15			LRS2	cal							Yes
lrs20000017_02	flat_Qth_R	23:59	15			LRS2	cal							Yes