NLC 2018-05-18/19

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: 2018-05-18/19

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
21:00:04  0                                  cloud patches
21:15:05  0                                  cloud patches
21:30:05  0                                  almost clear
22:00:20  0                                  cloud patches
22:15:32  0                                  clear above h 5
22:30:53  0                                  clear above h 5
22:45:53  0                                  clear above h 5
23:01:25  0                                  clear above h 5
23:16:24  0                                  clear
23:31:24  0                                  clear
23:46:24  0                                  clear
00:01:24  0                                  clear
00:16:24  0                                  clear
00:31:24  X                                  clear above h 5
00:46:24  0                                  clear
01:01:24  0                                  clear
01:16:24  0                                  clear above h 5
01:31:30  0                                  clear above h 5
01:45:33  0                                  clear above h 5
02:00:32  0                                  clear above h 5
02:15:19  0                                  clear above h 5
02:30:10  0                                  clear above h 5
02:45:06  0                                  clear above h 5
03:00:05  0                                  clear above h 5
03:15:04  0                                  clear above h 5

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: 2018/05/18-19
Start: 21:00
End: 03:15
Comments: mostly clear

Images

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