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NLC 2017-08-07/08

BAA report

The report to the BAA Aurora Section gives an overview of the night, which times were cloudy, free of NLC, or with sightings of NLC.

Name of observer: Horst Meyerdierks
Location: Royal Observatory Edinburgh, 55.9N 3.2W
          unattended compact camera with limited field of view
          A ~325-35, h ~0-40; images every 15 min
Date: 2017-08-07/08

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
20:45:01  0                                  almost clear
21:00:01  0                                  almost clear
21:15:07  0                                  almost clear
21:30:19  0                                  almost clear
21:45:32  0                                  almost clear
22:00:53  0                                  almost clear
22:16:24  0                                  almost clear
22:31:24  0                                  almost clear
22:46:24  0                                  almost clear
23:01:24  0                                  almost clear
23:16:24  0                                  almost clear
23:31:24  0                                  almost clear
23:46:24  0                                  almost clear
01:01:25  0                                  cloud above h 10
01:16:24  0                                  cloud above h 10
01:31:24  0                                  cloud above h 10
01:46:24  0                                  cloud above h 10
02:01:23  0                                  cloud on right above h 10
02:16:24  0                                  cloud above h 10
02:30:47  0                                  cloud above h 10
02:45:31  0                                  cloud above h 10
03:00:19  0                                  cloud above h 15
03:15:03  0                                  cloud above h 20
03:30:01  0                                  almost clear
03:45:02  0                                  almost clear
04:00:01  0                                  almost clear

forms: I: veil
       II: bands
       III: waves
       IV: whirls
       NLC: other than or multiple of I-IV
       0: no NLC
       X: no decision possible (mist, cloud etc.)
brightness: 1: very weak
            2: clearly detected
            3: clearly visible
            4: very bright
            5: extremely bright

NLCnet report

The periods of absence of NLC are reported to the NLC Observers' Home Page:

Name: Horst Meyerdierks
Country: Scotland
Location: Edinburgh
Date: 2017/08/07-08
Start: 20:45
End: 04:00
Comments: Almost clear.

Images

No NLC has been observed, hence no images are made available here.