HET Night Report Reader

Civil Date	Ephemerides
2026-08-29	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:29	02:16	02:45	11:08	11:37	12:25	02:16	-
Night Length	8:23		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Cassie Crowe Amy Westfall	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:29	24.5	23.8	11:42	twilight	10:13
Total Time Open					10:13

Program	Night Priority	Science
02:45	Science
03:45	Idle due to weather (bright sky, queue gap)
03:50	Science
05:06	Idle due to weather (bright sky, queue gap)
05:50	Science
06:53	Idle due to weather (bright sky, queue gap)
08:14	Science
10:22	Idle due to weather (bright sky, queue gap through EON)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:53	02:15	0.38	0.59	-390	-540	23.8	23.7	23.7	130	8	First of Night
05:18	05:46	0.39	0.60	-390	+740	20.4	21.3	21.6	144	7	Stack/Re-stack
10:28	10:41	0.61	0.98	-480	+740	19.2	19.9	20.0	190	17	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear and calm night. No dome shutter problems.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Alpha Bright Cal	00:00	85.2			HPF	cal							Yes
0002	LFC FCU	00:02	106.5			HPF	cal							Yes
0003	LFC FCU	00:05	106.5			HPF	cal							Yes
0004	LFC Cal	00:08	106.5			HPF	cal							Yes
0005	LFC Cal	00:10	106.5			HPF	cal							Yes
0006	Etalon Cal	00:13	159.8			HPF	cal							Yes
0007	UNe Slave Cal	00:16	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:18	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:19	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:21	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:22	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:23	15			LRS2	cal							Yes
0008	UNe Slave Cal	00:24	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:24	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:26	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:27	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:28	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:30	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:31	29			LRS2	cal							Yes
0009	UNe Slave Cal	00:32	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:33	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:34	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:35	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:36	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:38	20			LRS2	cal							Yes
0010	UNe Slave Cal	00:39	426			HPF	cal							Yes
lrs20000005_03	Hg_R	00:39	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:40	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:42	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:43	15			LRS2	cal							Yes
0011	UNe Slave Cal	00:47	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:49	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:51	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:52	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:53	15			VIRUS	cal							Yes
0012	UNe Slave Cal	00:55	426			HPF	cal							Yes
virus0000002_02	Cd-A	00:55	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:56	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:58	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:59	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:01	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:02	0			LRS2	cal							Yes
virus0000004_01	bias	01:02	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:03	0			LRS2	cal							Yes
virus0000004_02	bias	01:03	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:03	0			LRS2	cal							Yes
lrs20000007_04	bias	01:04	0			LRS2	cal							Yes
virus0000004_03	bias	01:04	0			VIRUS	cal							Yes
virus0000004_04	bias	01:05	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:05	0			LRS2	cal							Yes
virus0000004_05	bias	01:06	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:06	0			LRS2	cal							Yes
virus0000004_06	bias	01:06	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:07	0			LRS2	cal							Yes
virus0000004_07	bias	01:07	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:08	0			LRS2	cal							Yes
virus0000004_08	bias	01:08	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:09	0			LRS2	cal							Yes
virus0000004_09	bias	01:09	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:10	0			LRS2	cal							Yes
virus0000004_10	bias	01:10	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:10	0			LRS2	cal							Yes
virus0000004_11	bias	01:11	0			VIRUS	cal							Yes
lrs20000008_01	skyflat	01:34	7			LRS2	cal							Yes
lrs20000009_01	skyflat	01:35	10			LRS2	cal							Yes
lrs20000010_01	skyflat	01:36	13			LRS2	cal							Yes
lrs20000011_01	skyflat	01:38	16			LRS2	cal							Yes
lrs20000012_01	skyflat	01:39	22			LRS2	cal							Yes
lrs20000013_01	skyflat	01:40	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:43	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:44	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:45	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:47	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:48	26			VIRUS	cal							Yes
lrs20000014_01	dark	01:50	360			LRS2	cal							Yes
virus0000010_01	dark	01:50	360			VIRUS	cal							Yes
lrs20000014_02	dark	01:57	360			LRS2	cal							Yes
virus0000010_02	dark	01:57	360			VIRUS	cal							Yes
lrs20000014_03	dark	02:04	360			LRS2	cal							Yes
virus0000010_03	dark	02:04	360			VIRUS	cal							Yes
0013	QID 794	02:31	511.2	7.5	UT26-3-001	HPF	sci	1.16	0.90	19.69	0.82	169		P4
virus0000011_01	parallel	02:31	1658.1			VIRUS	sci							Yes
0014	QID 794	02:40	511.2	0.5	UT26-3-001	HPF	sci	1.15	0.68	19.63	0.80	198		P4
0015	QID 794	02:50	511.2	0.5	UT26-3-001	HPF	sci	1.18	0.70	19.59	0.82	213		P4
virus0000012_01	parallel	03:03	1658.1			VIRUS	sci							Yes
0016	QID 1004	03:04	511.2	5.5	UT26-3-001	HPF	sci	1.21	0.72	19.48	0.81	204		Yes
0017	QID 1004	03:13	511.2	1.5	UT26-3-001	HPF	sci	1.13	0.70	19.20	0.74	184		Yes
0018	QID 1004	03:22	511.2	0.5	UT26-3-001	HPF	sci	1.09	0.92	19.15	0.69	158		Yes
lrs20000015_01	GJ754.1A_056_E	03:38	120	7.0		LRS2	spec	1.18	0.80	18.91	0.82			Yes
lrs20000016_01	GJ754.1A_066_E	03:43	120	3.0		LRS2	spec	1.27	0.86	18.87	0.95			Yes
virus0000013_01	parallel	03:55	1945.7			VIRUS	sci							Yes
0019	QID 795	03:56	617.7	5.7	UT26-3-001	HPF	sci	1.43	1.07	18.23	0.62	129		P4
0020	QID 795	04:07	617.7	0.7	UT26-3-001	HPF	sci	1.61	1.13	18.32	0.68	135		P4
0021	QID 795	04:18	617.7	0.7	UT26-3-001	HPF	sci	1.58	0.91	18.45	0.71	152		P4
0022	QID 1005	04:33	617.7	5.7	UT26-3-001	HPF	sci	1.47	1.07	18.42	0.75	142		Yes
virus0000014_01	parallel	04:33	1945.7			VIRUS	sci							Yes
0023	QID 1005	04:45	617.7	0.7	UT26-3-001	HPF	sci	1.43	1.08	18.31	0.81	137		Yes
0024	QID 1005	04:56	617.7	0.7	UT26-3-001	HPF	sci	1.42	1.02	18.28	0.89	131		Yes
0025	HR7332_tell_std	05:57	330.2	6.5		HPF	telluric	1.52	1.27	18.86	0.76			Yes
0026	LFC Cal	06:04	106.5			HPF	cal							Yes
virus0000015_01	parallel	06:08	1914.8			VIRUS	sci							Yes
0027	QID 230	06:09	915.9	6.7	G26-3-002	HPF	sci	1.43	0.90	18.15	0.81	90		Yes
0028	QID 230	06:25	915.9	0.7	G26-3-002	HPF	sci	1.47	1.02	18.15	0.87	80		Yes
0029	LFC Cal	06:42	106.5			HPF	cal							Yes
virus0000016_01	LDS749B_042_W	06:47	60	7.0		VIRUS	spec	1.42	1.07	18.34	0.76			Yes
virus0000016_02	LDS749B_042_W	06:50	60	2.0		VIRUS	spec	1.27	1.09	18.33	0.78			Yes
virus0000016_03	LDS749B_042_W	06:52	60	1.0		VIRUS	spec	1.23	1.12	18.33	0.79			Yes
0030	QID 106	06:58	756.1	5.4	UT26-3-004	HPF	sci	1.72	1.16	17.24	0.86	89	Sky brightness higher than requested due to moon proximity. Completed since no competing targets.	No
virus0000017_01	parallel	06:58	3148			VIRUS	sci							Yes
0031	QID 106	07:12	756.1	0.4	UT26-3-004	HPF	sci	1.61	1.33	17.42	1.03	111		No
0032	QID 106	07:25	756.1	1.4	UT26-3-004	HPF	sci	1.60	1.09	17.41	1.03	108		No
0033	QID 106	07:39	756.1	0.4	UT26-3-004	HPF	sci	1.39	1.08	17.23	1.12	97		No
virus0000018_01	parallel	08:19	3645.3			VIRUS	sci							Yes
0034	QID 1001	08:20	617.7	5.7	UT26-3-001	HPF	sci	1.64	1.28	18.15	0.49	82	Other guider reported higher transparency near 0.65	Yes
0035	QID 1001	08:31	617.7	0.7	UT26-3-001	HPF	sci	2.00	1.10	18.44	0.58	80		Yes
0036	QID 1001	08:42	617.7	0.7	UT26-3-001	HPF	sci	1.75	1.05	18.69	0.67	89		Yes
0037	QID 1001	08:53	617.7	0.7	UT26-3-001	HPF	sci	1.56	1.06	18.81	0.74	110		Yes
0038	QID 1001	09:04	617.7	1.7	UT26-3-001	HPF	sci	1.46	0.99	18.85	0.77	102		Yes
0039	QID 1001	09:15	617.7	0.7	UT26-3-001	HPF	sci	1.44	1.17	18.80	0.82	86		Yes
0040	QID 1001	09:26	617.7	0.7	UT26-3-001	HPF	sci	1.39	1.09	18.71	0.89	74		Yes
virus0000019_01	parallel	09:44	2265.2			VIRUS	sci							Yes
0041	QID 770	09:45	713.6	8.1	UT26-3-001	HPF	sci	1.82	1.03	18.75	0.67	60		Yes
0042	QID 770	09:58	713.6	0.1	UT26-3-001	HPF	sci	1.61	1.17	18.96	0.72	67		Yes
0043	QID 770	10:10	713.6	1.1	UT26-3-001	HPF	sci	1.56	1.23	18.96	0.81	61		Yes
lrs20000017_01	bias	11:11	0			LRS2	cal							Yes
virus0000020_01	bias	11:12	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	11:16	15		ENG26-3-002	VIRUS	cal							Yes
virus0000022_01	Hg	11:17	15		ENG26-3-002	VIRUS	cal							Yes
0044	Dark	11:25	319.5			HPF	cal							Yes
0045	Quartz FCU	11:37	74.5			HPF	cal							Yes
0046	Quartz FCU	11:38	74.5			HPF	cal							Yes
0047	Quartz FCU	11:40	74.5			HPF	cal							Yes
0048	Quartz FCU	11:42	74.5			HPF	cal							Yes
0049	Quartz FCU	11:44	74.5			HPF	cal							Yes
0050	Quartz FCU	11:46	74.5			HPF	cal							Yes
0051	Quartz FCU	11:47	74.5			HPF	cal							Yes
0052	Alpha Bright Cal	11:50	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	11:52	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	11:54	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	11:55	85.2			HPF	cal							Yes
0056	LFC FCU	11:58	106.5			HPF	cal							Yes
0057	LFC FCU	12:00	106.5			HPF	cal							Yes
0058	LFC FCU	12:03	106.5			HPF	cal							Yes
0059	LFC FCU	12:05	106.5			HPF	cal							Yes
0060	LFC FCU	12:07	106.5			HPF	cal							Yes
0061	LFC FCU	12:10	106.5			HPF	cal							Yes
0062	LFC Cal	12:13	106.5			HPF	cal							Yes
0063	LFC Cal	12:15	106.5			HPF	cal							Yes
0064	Etalon Cal	12:23	159.8			HPF	cal							Yes
0065	Etalon Cal	12:26	159.8			HPF	cal							Yes
0066	Etalon Cal	12:29	159.8			HPF	cal							Yes
0067	Etalon Cal	12:32	159.8			HPF	cal							Yes
0068	UNe Slave Cal	12:36	426			HPF	cal							Yes
0069	UNe Slave Cal	12:44	426			HPF	cal							Yes
0070	UNe Slave Cal	12:51	426			HPF	cal							Yes
0071	UNe Slave Cal	12:59	426			HPF	cal							Yes
0072	UNe Slave Cal	13:07	426			HPF	cal							Yes
0073	UNe Slave Cal	13:15	426			HPF	cal							Yes
0065	LFC Cal	23:09	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	23:22	20			VIRUS	cal							Yes
virus0009901_01	bias	23:23	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:25	20			LRS2	cal							Yes
virus0009902_01	dark	23:26	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:27	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:28	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:30	15			LRS2	cal							Yes
lrs20009905_01	bias	23:32	0			LRS2	cal							Yes
0066	Dark	23:34	319.5			HPF	cal							Yes
0067	Quartz FCU	23:41	74.5			HPF	cal							Yes
0068	Quartz FCU	23:43	74.5			HPF	cal							Yes
0069	Quartz FCU	23:45	74.5			HPF	cal							Yes
0070	Quartz FCU	23:46	74.5			HPF	cal							Yes
0071	Quartz FCU	23:48	74.5			HPF	cal							Yes
0072	Quartz FCU	23:50	74.5			HPF	cal							Yes
0073	Quartz FCU	23:52	74.5			HPF	cal							Yes
0074	Alpha Bright Cal	23:54	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	23:56	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	23:58	85.2			HPF	cal							Yes

Previous Day:		Aug 29, 2026 Civil		Next Day:
HET Night Report	VIRUS Biases	VIRUS Biases	LRS2 Biases	HET Night Report	VIRUS Biases
LRS2 Biases	EON Charts	EON Charts		LRS2 Biases	EON Charts