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NLC 2020-06-21/22

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: Edinburgh, 55.9N 3.2W
          unattended compact camera with limited field of view
          images every 15 min
Date: 2020-06-21/22

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
22:45:03  II         2    12                 cloud above
23:00:08  II         3    30
23:15:19  II         3    30
23:30:19  II         3    12
23:45:18  II         3    10
00:00:32  II         3    17
00:15:31  II         2    14                 patchy cloud above
00:30:32  NLC        2                       through cloud
01:30:10  II         2    25                 some cloud
01:45:09  II         2    33
02:00:06  I,II       1    35
02:15:05  NLC        1

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 positive sightings of NLC are reported to the NLC Observers' Home Page:

Name: Horst Meyerdierks
Country: Scotland
Location: Edinburgh
Date: 2020-06-21/22
Start: 22:45
End: 02:15
Forms: I,II
Max elevation: 35
Max brightness: 3
Comments: some cloud

forms: I: veil
       II: bands
       III: waves
       IV: whirls
       NLC: other than or multiple of I-IV
brightness: 1: very weak
            2: clearly detected
            3: clearly visible
            4: very bright
            5: extremely bright