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NLC 2009-08-20/21

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 dSLR with limited field of view A ~325-35, h ~0-40
          images every 5 min
Date: 2009-08-20/21

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
20:15  0                                  cloud patches to h 5
20:30  0                                  cloud to h 5
20:45  0                                  cloud to h 5
21:00  0                                  cloud patches to h 5
21:15  0                                  cloud to h 5
21:30  0                                  some cloud low on horizon, few patches to h 20, fireworks
21:45  0                                  few cloud patches high on left
02:45  X                                  cloud to h 15, UMa over Edinburgh
03:00  X                                  cloud to h 20
03:15  X                                  cloud
03:30  X                                  cloud
03:45  X                                  cloud
04:00  X                                  cloud
04:15  X                                  cloud
04:30  X                                  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.)

NLCnet report

The main periods of absence of NLC are reported to the NLC Observers' Home Page:

Name: Horst Meyerdierks
Country: Scotland
Location: Edinburgh
Date: 2009/08/20-21
Start: 20:15
End: 02:45
Comments: Some cloud.


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