HET Night Report Reader

Civil Date	Ephemerides
2026-05-05	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:44	02:34	03:06	10:38	11:10	12:01	05:40	-
Night Length	7:32		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Justen Pautzke	-	-

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:39	18.2	15.6	02:55	clouds	01:16
10:47	14.6	15.8	11:16	twilight	00:29
Total Time Open					1:45

Program	Night Priority	Science
03:06	Idle due to weather (heavy clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:10	02:47	0.46	0.69	-43	1055	18.0	18.0	17.6	243	7	First of Night
10:47	11:14	0.39	0.60	-28	2902	14.4	15.0	15.3	315	9	End of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	A survey crew was seen behind the summit building during stacking. They were shining a laser light 360 degrees that looked to be entering the dome. Teznie, Danny, and Jose investigated and the issue was resolved for the remainder of the evening. Performed end of night stack leaving structure everything at CCAS.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_03	dark	00:04	360			LRS2	cal							Yes
virus0000022_03	dark	00:05	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:48	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:49	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:50	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:51	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:52	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:54	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:57	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:59	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:00	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:01	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:03	26			VIRUS	cal							Yes
0001	LFC Cal	03:13	106.5			HPF	cal							Yes
0002	LFC Cal	03:15	106.5			HPF	cal							Yes
0003	LFC Cal	03:17	106.5			HPF	cal							Yes
0004	LFC Cal	04:59	106.5			HPF	cal							Yes
0005	LFC Cal	05:01	106.5			HPF	cal							Yes
0006	LFC Cal	05:04	106.5			HPF	cal							Yes
0007	LFC Cal	07:04	106.5			HPF	cal							Yes
0008	LFC Cal	07:06	106.5			HPF	cal							Yes
0009	LFC Cal	07:08	106.5			HPF	cal							Yes
0010	LFC Cal	09:02	106.5			HPF	cal							Yes
0011	LFC Cal	09:04	106.5			HPF	cal							Yes
0012	LFC Cal	09:06	106.5			HPF	cal							Yes
lrs20000007_01	bias	09:38	0			LRS2	cal							Yes
virus0000006_01	bias	09:39	0			VIRUS	cal							Yes
virus0000007_01	Cd-A	09:43	15		ENG26-2-002	VIRUS	cal							Yes
virus0000008_01	Hg	09:45	15		ENG26-2-002	VIRUS	cal							Yes
0013	Dark	09:55	319.5			HPF	cal							Yes
0014	Quartz FCU	10:07	74.5			HPF	cal							Yes
0015	Quartz FCU	10:08	74.5			HPF	cal							Yes
0016	Quartz FCU	10:10	74.5			HPF	cal							Yes
0017	Quartz FCU	10:12	74.5			HPF	cal							Yes
0018	Quartz FCU	10:14	74.5			HPF	cal							Yes
0019	Quartz FCU	10:16	74.5			HPF	cal							Yes
0020	Quartz FCU	10:17	74.5			HPF	cal							Yes
0021	Alpha Bright Cal	10:20	85.2			HPF	cal							Yes
0022	Alpha Bright Cal	10:22	85.2			HPF	cal							Yes
0023	Alpha Bright Cal	10:24	85.2			HPF	cal							Yes
0024	Alpha Bright Cal	10:25	85.2			HPF	cal							Yes
0025	LFC FCU	10:28	106.5			HPF	cal							Yes
0026	LFC FCU	10:30	106.5			HPF	cal							Yes
0027	LFC FCU	10:33	106.5			HPF	cal							Yes
0028	LFC FCU	10:35	106.5			HPF	cal							Yes
0029	LFC FCU	10:37	106.5			HPF	cal							Yes
0030	LFC FCU	10:40	106.5			HPF	cal							Yes
0031	LFC Cal	10:43	106.5			HPF	cal							Yes
0032	LFC Cal	10:45	106.5			HPF	cal							Yes
0033	Etalon Cal	10:53	159.8			HPF	cal							Yes
0034	Etalon Cal	10:56	159.8			HPF	cal							Yes
0035	Etalon Cal	10:59	159.8			HPF	cal							Yes
0036	Etalon Cal	11:02	159.8			HPF	cal							Yes
0037	UNe Slave Cal	11:06	426			HPF	cal							Yes
0038	UNe Slave Cal	11:14	426			HPF	cal							Yes
0039	UNe Slave Cal	11:21	426			HPF	cal							Yes
0040	UNe Slave Cal	11:29	426			HPF	cal							Yes
0041	UNe Slave Cal	11:37	426			HPF	cal							Yes
0042	UNe Slave Cal	11:45	426			HPF	cal							Yes
0057	LFC Cal	21:44	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:58	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:00	20			LRS2	cal							Yes
virus0009902_01	dark	22:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:03	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:04	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
0058	Dark	22:14	319.5			HPF	cal							Yes
0059	Quartz FCU	22:20	74.5			HPF	cal							Yes
0060	Quartz FCU	22:22	74.5			HPF	cal							Yes
0061	Quartz FCU	22:24	74.5			HPF	cal							Yes
0062	Quartz FCU	22:26	74.5			HPF	cal							Yes
0063	Quartz FCU	22:28	74.5			HPF	cal							Yes
0064	Quartz FCU	22:29	74.5			HPF	cal							Yes
0065	Quartz FCU	22:31	74.5			HPF	cal							Yes
0066	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	22:35	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	22:37	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:39	85.2			HPF	cal							Yes
0070	LFC FCU	22:42	106.5			HPF	cal							Yes
0071	LFC FCU	22:44	106.5			HPF	cal							Yes
0072	LFC Cal	22:47	106.5			HPF	cal							Yes
0073	LFC Cal	22:49	106.5			HPF	cal							Yes
0074	Etalon Cal	22:52	159.8			HPF	cal							Yes
0075	UNe Slave Cal	22:56	426			HPF	cal							Yes
lrs20000013_01	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000013_02	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000013_03	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000013_04	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000013_05	flat_Qth_R	23:02	15			LRS2	cal							Yes
0076	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000014_01	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
lrs20000014_02	flat_ldls_long_B	23:05	20			LRS2	cal							Yes
lrs20000014_03	flat_ldls_long_B	23:06	20			LRS2	cal							Yes
lrs20000015_01	Cd-A_B	23:07	29			LRS2	cal							Yes
lrs20000015_02	Cd-A_B	23:09	29			LRS2	cal							Yes
lrs20000015_03	Cd-A_B	23:10	29			LRS2	cal							Yes
0077	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000016_01	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000016_02	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000016_03	FeAr_R	23:14	15			LRS2	cal							Yes
lrs20000017_01	Hg_R	23:16	20			LRS2	cal							Yes
lrs20000017_02	Hg_R	23:17	20			LRS2	cal							Yes
lrs20000017_03	Hg_R	23:18	20			LRS2	cal							Yes
0078	UNe Slave Cal	23:19	426			HPF	cal							Yes
lrs20000018_01	Hg_B	23:20	15			LRS2	cal							Yes
lrs20000018_02	Hg_B	23:21	15			LRS2	cal							Yes
lrs20000018_03	Hg_B	23:22	15			LRS2	cal							Yes
0079	UNe Slave Cal	23:27	426			HPF	cal							Yes
virus0000018_01	flat_ldls_long	23:29	15			VIRUS	cal							Yes
virus0000018_02	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000018_03	flat_ldls_long	23:31	15			VIRUS	cal							Yes
virus0000019_01	Cd-A	23:33	15			VIRUS	cal							Yes
virus0000019_02	Cd-A	23:34	15			VIRUS	cal							Yes
0080	UNe Slave Cal	23:35	426			HPF	cal							Yes
virus0000019_03	Cd-A	23:36	15			VIRUS	cal							Yes
virus0000020_01	Hg	23:37	15			VIRUS	cal							Yes
virus0000020_02	Hg	23:38	15			VIRUS	cal							Yes
virus0000020_03	Hg	23:40	15			VIRUS	cal							Yes
lrs20000019_01	bias	23:41	0			LRS2	cal							Yes
virus0000021_01	bias	23:41	0			VIRUS	cal							Yes
lrs20000019_02	bias	23:42	0			LRS2	cal							Yes
virus0000021_02	bias	23:42	0			VIRUS	cal							Yes
lrs20000019_03	bias	23:43	0			LRS2	cal							Yes
virus0000021_03	bias	23:43	0			VIRUS	cal							Yes
lrs20000019_04	bias	23:44	0			LRS2	cal							Yes
lrs20000019_05	bias	23:44	0			LRS2	cal							Yes
virus0000021_04	bias	23:44	0			VIRUS	cal							Yes
virus0000021_05	bias	23:45	0			VIRUS	cal							Yes
lrs20000019_06	bias	23:45	0			LRS2	cal							Yes
virus0000021_06	bias	23:46	0			VIRUS	cal							Yes
lrs20000019_07	bias	23:46	0			LRS2	cal							Yes
virus0000021_07	bias	23:46	0			VIRUS	cal							Yes
lrs20000019_08	bias	23:47	0			LRS2	cal							Yes
virus0000021_08	bias	23:47	0			VIRUS	cal							Yes
lrs20000019_09	bias	23:48	0			LRS2	cal							Yes
virus0000021_09	bias	23:48	0			VIRUS	cal							Yes
lrs20000019_10	bias	23:49	0			LRS2	cal							Yes
virus0000021_10	bias	23:49	0			VIRUS	cal							Yes
lrs20000019_11	bias	23:50	0			LRS2	cal							Yes
virus0000021_11	bias	23:50	0			VIRUS	cal							Yes
lrs20000020_01	dark	23:50	360			LRS2	cal							Yes
virus0000022_01	dark	23:51	360			VIRUS	cal							Yes
lrs20000020_02	dark	23:57	360			LRS2	cal							Yes
virus0000022_02	dark	23:58	360			VIRUS	cal							Yes

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