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ERIS:
sky flat
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ERIS trending system: HEALTH CHECK report
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Last update: 2026-04-17T07:15:39 (UT)
  | now: 2026-04-17T09:34:14 (UT) muc04 QC pipeline: eris-1.8.14 (installed 2025-11-14)
same group: sky_flat_Short-Lp sky_flat_Lp sky_flat_Broad-L sky_flat_Mp
General news: NOTE: The Health Check and calChecker services have been moved to qcFlow. These pages are only maintained for comparison and will be removed in 2026.
ERIS news:  
Report news:
DATE*: [?] 2026-04-10
report | NLT
2026-04-11
report | NLT
2026-04-12
report | NLT
2026-04-13
report | NLT
2026-04-14
report | NLT
2026-04-15
report | NLT
2026-04-16
report | NLT
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*Date on this monitor changes at 21:00 UT
png: Information and research:
- png file - advanced studies: QC1 browser | QC1 plotter
Plot
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Symb
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Source
*
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN 2.34e+04 NONE VAL17500,29100 2 qc_sky_flat_on_med_max_lo this | last_yr | all Max on frames (low frequency) in fast readout Short-Lp
2 QC1DB MEDIAN 0.924 NONE VAL0.75,0.95 2 qc_sky_flat_on_med_frac_lo this | last_yr | all Min/Max on frames (low frequency) in fast readout Short-Lp
3 QC1DB MEDIAN 1 NONE VAL0.99,1.01 2 qc_sky_flat_med_hi this | last_yr | all Median (high frequency) in fast readout Short-Lp
4 QC1DB MEDIAN 1 NONE VAL0.99,1.01 2 qc_sky_flat_med_lo this | last_yr | all Median (low frequency) in fast readout Short-Lp
5 QC1DB MEDIAN 2.59 NONE VAL0.01,10 2 qc_sky_flat_rms_hi this | last_yr | all rms (high frequency) in fast readout Short-Lp
6 QC1DB MEDIAN 0.0664 NONE VAL0.04,0.1 2 qc_sky_flat_rms_lo this | last_yr | all rms (low frequency) in fast readout Short-Lp
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: 1|
data source:eris_nix_sky_flat
(QC1 database)
dataset:qc_sky_flat_on_med_max_lo
median:2.34e+04NONE
fixed thresholds:17500...29100NONE
N_data plotted:2
[click plot for closeup]
Plot 2
scores: 1|
data source:eris_nix_sky_flat
(QC1 database)
dataset:qc_sky_flat_on_med_frac_lo
median:0.924NONE
fixed thresholds:0.75...0.95NONE
N_data plotted:2
[click plot for closeup]
Plot 3
scores: 1|
data source:eris_nix_sky_flat
(QC1 database)
dataset:qc_sky_flat_med_hi
median:1NONE
fixed thresholds:0.99...1.01NONE
N_data plotted:2
[click plot for closeup]
Plot 4
scores: 1|
data source:eris_nix_sky_flat
(QC1 database)
dataset:qc_sky_flat_med_lo
median:1NONE
fixed thresholds:0.99...1.01NONE
N_data plotted:2
[click plot for closeup]
Plot 5
scores: 1|
data source:eris_nix_sky_flat
(QC1 database)
dataset:qc_sky_flat_rms_hi
median:2.59NONE
fixed thresholds:0.01...10NONE
N_data plotted:2
[click plot for closeup]
Plot 6
scores: 1|
data source:eris_nix_sky_flat
(QC1 database)
dataset:qc_sky_flat_rms_lo
median:0.0664NONE
fixed thresholds:0.04...0.1NONE
N_data plotted:2
[click plot for closeup]
General information

Click on any of the plots to see a close-up version.

The latest date is indicated on top of the plot.

If configured,

  • data points belonging to the latest date are specially marked
  • statistical averages are indicated by a solid line, and thresholds by broken lines
  • outliers are marked by a red asterisk. They are defined as data points outside the threshold lines
  • "aliens" (= data points outside the plot Y limits) are marked by a red arrow ( or )
  • you can download the data for each parameter set if the 'Data downloads' link shows up