NLC 2010-07-30/31

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: 2010-07-30/31

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
21:00  X                                  widespread cloud patches
21:15  X                                  widespread cloud patches
21:30  X                                  almost overcast
21:45  X                                  almost overcast
22:00  X                                  almost overcast
22:15  0                                  cloud patches, fake NLC (cirrus)
22:30  0                                  cloud patches, fake NLC (cirrus)
22:45  0                                  clear, fake NLC (cirrus)
23:00  0                                  clear, fake NLC (cirrus)
23:15  0                                  clear, fake NLC (cirrus)
23:30  0                                  clear
23:45  X                                  cloud covering most of NLC sector
00:00  X                                  cloud patches to h 10
00:30  X                                  widspread cloud patches
00:45  X                                  widspread cloud patches
01:00  X                                  widspread cloud patches
01:15  X                                  overcast
01:30  X                                  overcast
01:45  X                                  overcast
02:00  X                                  overcast
02:15  X                                  overcast
02:30  X                                  overcast
02:45  X                                  overcast
03:00  X                                  overcast
03:15  X                                  almost overcast
03:30  X                                  almost overcast

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: 2010/07/30-31
Start: 22:15
End: 23:30
Comments:

Images

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