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NLC 2020-07-27/28

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: 2020-07-27/28

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
02:15:32  I,II       3     7                 through cloud
02:30:19  I,II       3                       through cloud
02:45:09  II,III     3    25                 some cloud
03:00:06  II,III     2    35                 some cloud
03:15:05  III        2    35                 some cloud

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: 2020-07-27/28
Start: 02:15
End: 03:15
Forms: I,II,III
Max elevation: 35
Max brightness: 3
Comments: partly cloudy

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