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NLC 2017-08-09/10

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: 2017-08-09/10

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
20:30:01  0                                  few cloud patches
20:45:05  0                                  few cloud patches
21:00:05  0                                  few cloud patches
21:15:09  0                                  few cloud patches, bright contrail
21:30:32  X                                  cloud patches
21:45:32  X                                  cloud patches, window reflections
22:00:48  X                                  cloud patches, window reflections
22:16:24  X                                  cloud patches
22:30:47  0                                  cloud patches above h 10
22:45:46  0                                  cloud patches above h 10
02:00:47  0                                  clear
02:15:47  X                                  cloud on right to h 5
02:30:46  X                                  cloud on right to h 5
02:45:53  X                                  cloud patches
03:00:32  X                                  cloud patches
03:15:19  X                                  cloud patches
03:30:06  X                                  cloud patches
03:45:05  X                                  cloud patches
04:00:01  X                                  cloud patches

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: 2017/08/09-10
Start: 20:30
End: 02:00
Comments: Some cloud, cloudy 21:30 to 22:15.

Images

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