NLC 2017-05-22/23

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: 2017-05-22/23

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
21:15:02  0                                  cloud to h 5, on right to h 20
21:30:01  0                                  cloud to h 10
21:45:02  0                                  cloud to h 10
22:00:09  0                                  cloud to h 5, cloud patches above
22:15:19  0                                  cloud to h 5 or 10
22:30:32  0                                  cloud to h 5
22:45:53  0                                  cloud to h 3
23:00:53  0                                  cloud to h 3
23:15:47  0
23:30:47  0
23:45:47  0
00:00:47  0
00:15:47  0
00:30:47  0
00:45:47  0
01:00:26  0
01:15:32  0                                  some cloud
01:30:19  0                                  some cloud
01:45:19  0                                  some cloud
02:00:18  0                                  some cloud
02:15:03  0                                  some cloud
02:30:01  0                                  some cloud
02:45:02  0                                  some cloud
03:00:01  0                                  some cloud
03:15:01  0

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: 2017/05/22-23
Start: 21:15
End: 03:15
Comments: some cloud

Images

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