HET Night Report Reader

Civil Date	Ephemerides
2026-09-16	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:07	01:52	02:20	11:20	11:49	12:35	-	04:09
Night Length	9:00		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Aiden Dillard	-	-

Overlaps
TO Overlap	RA Overlap
-	Zach Vanderbosch

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:01	22.8	21.1	01:49	dust	00:48
Total Time Open					0:48

Program	Night Priority	Science
02:20	Idle due to weather (high dust count)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:31	01:49										First of Night
↪ Comments			Closed mid-stack due to particle count

Problem Reports
PR Number	Times	Time Lost	Description	Response
6720	01:15-01:15	00:00	DIMM establish link: camera not found	Attempted to power cycle and inspected the cable and its seating to the CCD controller.

Ops Comments	none

TO Comments	Closed all night due to high dust count and humidity.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000019_03	dark	00:01	360			LRS2	cal							Yes
virus0000018_03	dark	00:01	360			VIRUS	cal							Yes
0001	twilight	01:04	298.2			HPF	cal					296		Yes
lrs20000001_01	skyflat	01:11	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:12	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:13	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:14	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:16	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:17	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:20	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:21	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:22	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:24	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:25	26			VIRUS	cal							Yes
0002	LFC Cal	02:40	106.5			HPF	cal							Yes
0003	LFC Cal	02:42	106.5			HPF	cal							Yes
0004	LFC Cal	02:44	106.5			HPF	cal							Yes
0005	LFC Cal	04:27	106.5			HPF	cal							Yes
0006	LFC Cal	04:29	106.5			HPF	cal							Yes
0007	LFC Cal	04:31	106.5			HPF	cal							Yes
0008	LFC Cal	05:55	106.5			HPF	cal							Yes
0009	LFC Cal	05:57	106.5			HPF	cal							Yes
0010	LFC Cal	06:00	106.5			HPF	cal							Yes
0011	LFC Cal	07:37	106.5			HPF	cal							Yes
0012	LFC Cal	07:39	106.5			HPF	cal							Yes
0013	LFC Cal	07:41	106.5			HPF	cal							Yes
0014	LFC Cal	09:09	106.5			HPF	cal							Yes
0015	LFC Cal	09:11	106.5			HPF	cal							Yes
0016	LFC Cal	09:13	106.5			HPF	cal							Yes
0017	LFC Cal	10:22	106.5			HPF	cal							Yes
0018	LFC Cal	10:25	106.5			HPF	cal							Yes
0019	LFC Cal	10:27	106.5			HPF	cal							Yes
lrs20000007_01	bias	11:21	0			LRS2	cal							Yes
virus0000006_01	bias	11:22	0			VIRUS	cal							Yes
virus0000007_01	Cd-A	11:26	15		ENG26-3-002	VIRUS	cal							Yes
virus0000008_01	Hg	11:28	15		ENG26-3-002	VIRUS	cal							Yes
0020	Dark	11:37	319.5			HPF	cal							Yes
0021	Quartz FCU	11:49	74.5			HPF	cal							Yes
0022	Quartz FCU	11:50	74.5			HPF	cal							Yes
0023	Quartz FCU	11:52	74.5			HPF	cal							Yes
0024	Quartz FCU	11:54	74.5			HPF	cal							Yes
0025	Quartz FCU	11:56	74.5			HPF	cal							Yes
0026	Quartz FCU	11:57	74.5			HPF	cal							Yes
0027	Quartz FCU	11:59	74.5			HPF	cal							Yes
0028	Alpha Bright Cal	12:01	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	12:03	85.2			HPF	cal							Yes
0030	Alpha Bright Cal	12:05	85.2			HPF	cal							Yes
0031	Alpha Bright Cal	12:07	85.2			HPF	cal							Yes
0032	LFC FCU	12:10	106.5			HPF	cal							Yes
0033	LFC FCU	12:12	106.5			HPF	cal							Yes
0034	LFC FCU	12:15	106.5			HPF	cal							Yes
0035	LFC FCU	12:17	106.5			HPF	cal							Yes
0036	LFC FCU	12:19	106.5			HPF	cal							Yes
0037	LFC FCU	12:22	106.5			HPF	cal							Yes
0038	LFC Cal	12:25	106.5			HPF	cal							Yes
0039	LFC Cal	12:27	106.5			HPF	cal							Yes
0040	Etalon Cal	12:35	159.8			HPF	cal							Yes
0041	Etalon Cal	12:38	159.8			HPF	cal							Yes
0042	Etalon Cal	12:41	159.8			HPF	cal							Yes
0043	Etalon Cal	12:44	159.8			HPF	cal							Yes
0044	UNe Slave Cal	12:48	426			HPF	cal							Yes
0045	UNe Slave Cal	12:55	426			HPF	cal							Yes
0046	UNe Slave Cal	13:03	426			HPF	cal							Yes
0047	UNe Slave Cal	13:11	426			HPF	cal							Yes
0048	UNe Slave Cal	13:19	426			HPF	cal							Yes
0049	UNe Slave Cal	13:27	426			HPF	cal							Yes
0060	LFC Cal	21:48	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:57	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:58	20			VIRUS	cal							Yes
virus0009901_01	bias	21:59	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:00	20			LRS2	cal							Yes
virus0009902_01	dark	22:01	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:02	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:04	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:05	15			LRS2	cal							Yes
0061	Dark	22:11	319.5			HPF	cal							Yes
0062	Quartz FCU	22:17	74.5			HPF	cal							Yes
0063	Quartz FCU	22:19	74.5			HPF	cal							Yes
0064	Quartz FCU	22:21	74.5			HPF	cal							Yes
0065	Quartz FCU	22:23	74.5			HPF	cal							Yes
0066	Quartz FCU	22:25	74.5			HPF	cal							Yes
0067	Quartz FCU	22:26	74.5			HPF	cal							Yes
0068	Quartz FCU	22:28	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:32	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0073	LFC FCU	22:39	106.5			HPF	cal							Yes
0074	LFC FCU	22:41	106.5			HPF	cal							Yes
0075	LFC Cal	22:44	106.5			HPF	cal							Yes
0076	LFC Cal	22:46	106.5			HPF	cal							Yes
0077	Etalon Cal	22:49	159.8			HPF	cal							Yes
0078	UNe Slave Cal	22:53	426			HPF	cal							Yes
lrs20000012_01	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000012_02	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000012_03	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000012_04	flat_Qth_R	22:58	15			LRS2	cal							Yes
lrs20000012_05	flat_Qth_R	22:59	15			LRS2	cal							Yes
0079	UNe Slave Cal	23:00	426			HPF	cal							Yes
lrs20000013_01	flat_ldls_long_B	23:00	20			LRS2	cal							Yes
lrs20000013_02	flat_ldls_long_B	23:02	20			LRS2	cal							Yes
lrs20000013_03	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
lrs20000014_01	Cd-A_B	23:04	29			LRS2	cal							Yes
lrs20000014_02	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20000014_03	Cd-A_B	23:07	29			LRS2	cal							Yes
0080	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000015_01	FeAr_R	23:09	15			LRS2	cal							Yes
lrs20000015_02	FeAr_R	23:10	15			LRS2	cal							Yes
lrs20000015_03	FeAr_R	23:11	15			LRS2	cal							Yes
lrs20000016_01	Hg_R	23:12	20			LRS2	cal							Yes
lrs20000016_02	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000016_03	Hg_R	23:15	20			LRS2	cal							Yes
0081	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000017_01	Hg_B	23:16	15			LRS2	cal							Yes
lrs20000017_02	Hg_B	23:18	15			LRS2	cal							Yes
lrs20000017_03	Hg_B	23:19	15			LRS2	cal							Yes
0082	UNe Slave Cal	23:24	426			HPF	cal							Yes
virus0000014_01	flat_ldls_long	23:25	15			VIRUS	cal							Yes
virus0000014_02	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000014_03	flat_ldls_long	23:28	15			VIRUS	cal							Yes
virus0000015_01	Cd-A	23:30	15			VIRUS	cal							Yes
virus0000015_02	Cd-A	23:31	15			VIRUS	cal							Yes
0083	UNe Slave Cal	23:32	426			HPF	cal							Yes
virus0000015_03	Cd-A	23:32	15			VIRUS	cal							Yes
virus0000016_01	Hg	23:34	15			VIRUS	cal							Yes
virus0000016_02	Hg	23:35	15			VIRUS	cal							Yes
virus0000016_03	Hg	23:37	15			VIRUS	cal							Yes
lrs20000018_01	bias	23:38	0			LRS2	cal							Yes
virus0000017_01	bias	23:38	0			VIRUS	cal							Yes
lrs20000018_02	bias	23:39	0			LRS2	cal							Yes
virus0000017_02	bias	23:39	0			VIRUS	cal							Yes
lrs20000018_03	bias	23:40	0			LRS2	cal							Yes
virus0000017_03	bias	23:40	0			VIRUS	cal							Yes
lrs20000018_04	bias	23:40	0			LRS2	cal							Yes
virus0000017_04	bias	23:41	0			VIRUS	cal							Yes
lrs20000018_05	bias	23:41	0			LRS2	cal							Yes
virus0000017_05	bias	23:42	0			VIRUS	cal							Yes
lrs20000018_06	bias	23:42	0			LRS2	cal							Yes
virus0000017_06	bias	23:42	0			VIRUS	cal							Yes
lrs20000018_07	bias	23:43	0			LRS2	cal							Yes
virus0000017_07	bias	23:43	0			VIRUS	cal							Yes
lrs20000018_08	bias	23:44	0			LRS2	cal							Yes
virus0000017_08	bias	23:44	0			VIRUS	cal							Yes
lrs20000018_09	bias	23:45	0			LRS2	cal							Yes
virus0000017_09	bias	23:45	0			VIRUS	cal							Yes
lrs20000018_10	bias	23:46	0			LRS2	cal							Yes
virus0000017_10	bias	23:46	0			VIRUS	cal							Yes
lrs20000018_11	bias	23:47	0			LRS2	cal							Yes
virus0000017_11	bias	23:47	0			VIRUS	cal							Yes
lrs20000019_01	dark	23:47	360			LRS2	cal							Yes
virus0000018_01	dark	23:48	360			VIRUS	cal							Yes
lrs20000019_02	dark	23:54	360			LRS2	cal							Yes
virus0000018_02	dark	23:55	360			VIRUS	cal							Yes

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