NLC 2010-05-17/18

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Contents

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: Stichill Eastfield, 55.7N 2.4W
          unattended dSLR with limited field of view A ~310-20, h ~0-40
          images every 15 min
Date: 2010-05-17/18

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
21:00  0                                  cloud bottom right
21:15  0                                  cloud to h 10
21:30  0                                  thin cloud to h 10
21:45  0                                  clear
22:00  0                                  clear
22:15  0                                  clear
22:30  0                                  clear
22:45  0                                  clear
23:00  0                                  clear
23:15  0                                  clear
23:30  0                                  clear
23:45  0                                  clear, green arc to h 7, twilight
00:00  0                                  clear, green arc to h 5, twilight
00:15  0                                  clear, green arc to h 5, twilight
00:30  0                                  clear, green arc to h 5, twilight
00:45  0                                  clear, green arc to h 5, twilight
01:00  0                                  clear, green arc to h 5, twilight
01:15  0                                  clear, green arc to h 5, twilight
01:30  0                                  clear
01:45  0                                  clear
02:00  0                                  clear
02:15  0                                  clear
02:30  0                                  clear
02:45  0                                  clear
03:00  0                                  clear
03:15  0                                  clear

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

Name: Horst Meyerdierks
Country: Scotland
Location: Stichill
Date: 2010/05/17-18
Start: 21:00
End: 03:15
Comments:

Images

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

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