NLC 2018-05-23/24

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: 2018-05-23/24

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
21:15:04  0                                  clear
21:30:05  0                                  clear
21:45:05  0                                  clear
22:00:08  0                                  few cloud patches
22:15:19  0                                  cloud to h 10
22:30:32  0                                  cloud patches
22:45:53  X                                  patchy cloud
23:00:54  0                                  cloud patches
23:16:25  0                                  cloud patches
23:31:24  X                                  patchy cloud
23:46:24  X                                  patchy cloud
00:01:24  X                                  patchy cloud
00:15:47  X                                  almost overcast
00:30:47  X                                  overcast
00:45:47  X                                  overcast
01:00:47  X                                  overcast
01:15:53  X                                  overcast
01:30:54  X                                  overcast
01:45:32  X                                  overcast
02:00:19  X                                  overcast
02:15:10  X                                  overcast
02:30:08  X                                  overcast
02:45:06  X                                  overcast
03:00:05  X                                  overcast

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: 2018/05/23-24
Start: 21:15
End: 23:15
Comments: cloud patches

Images

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