chi and h site logo

NLC 2017-08-08/09

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: 2017-08-08/09

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
20:45:04  X                                  widespread cloud
21:00:05  X                                  widespread cloud
21:15:09  X                                  overcast
21:30:19  X                                  overcast
21:45:31  X                                  overcast
22:00:26  X                                  almost overcast
22:15:26  X                                  almost overcast
22:30:47  X                                  almost overcast
22:46:24  X                                  widespread cloud
01:01:25  0                                  some cloud above h 15
01:15:47  0                                  cloud above h 10
01:31:24  0                                  some cloud above h 15, satellite
01:46:24  0                                  some cloud above h 15
02:01:24  0                                  cloud above h 10
02:15:47  X                                  widespread cloud
02:30:47  X                                  almost overcast
02:45:32  X                                  almost overcast
03:00:19  X                                  almost overcast
03:15:18  X                                  widespread cloud
03:30:08  X                                  almost overcast
03:45:06  X                                  almost overcast
04:00:01  X                                  widespread 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 absence of NLC are reported to the NLC Observers' Home Page:

Name: Horst Meyerdierks
Country: Scotland
Location: Edinburgh
Date: 2017/08/08-09
Start: 01:00
End: 02:00
Comments: Some cloud.


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