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NLC 2009-08-10/11

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: 2009-08-10/11

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
20:30  X                                  cloud
20:45  X                                  cloud
21:00  X                                  cloud
21:15  X                                  cloud
21:30  X                                  cloud
21:45  X                                  cloud
22:00  X                                  cloud
22:15  X                                  cloud
22:30  X                                  cloud
02:00  0?                                 cloud to h 20
02:15  0?                                 thin cloud to h 20
02:30  0?                                 cloud patches to h 10
02:45  0?                                 cloud to h 10
03:00  X                                  cloud
03:15  X                                  cloud
03:30  X                                  cloud
03:45  X                                  cloud
04:00  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: 2009/08/10-11
Start: 02:00
End: 02:45
Comments: Some cloud.


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