chi and h site logo

NLC 2016-07-29/30

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: 2016-07-29/30

   UT     forms  bright   height   azimuth   comments
                  ness   top bot  left rght  e.g. weather
--------  -----  ------  --- ---  ---- ----  --------------------------------
21:00:01  0                                  cloud to h 10
21:15:01  0                                  cloud to h 10
21:30:06  0                                  cloud to h 10
21:45:09  0                                  cloud to h 10
22:00:19  0                                  cloud to h 10
22:15:31  0                                  cloud to h 5
22:30:53  0                                  cloud to h 5
22:45:47  X                                  cloud to h 5
23:00:46  X                                  cloud to h 5 or 10
23:15:47  X                                  cloud to h 5 or 10
23:30:47  X                                  cloud to h 5 or 10
23:45:47  X                                  cloud to h 15
00:01:24  X                                  patchy cloud
00:16:25  X                                  patchy cloud
00:31:24  X                                  patchy cloud
00:46:24  X                                  patchy cloud
01:01:24  X                                  cloud to h 15
01:16:24  X                                  cloud to h 15
01:31:24  X                                  cloud to h 15
01:46:25  X                                  cloud to h 10
02:00:47  X                                  cloud to h 5
02:15:32  X                                  cloud to h 5
02:30:19  X                                  cloud to h 5, higher patches
02:45:10  X                                  cloud to h 10
03:00:07  X                                  cloud to h 10 or 20
03:15:02  X                                  almost overcast
03:30:02  X                                  patchy 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: 2016/07/29-30
Start: 21:00
End: 22:30
Comments: some cloud

Images

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