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NLC 2010-05-22/23

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: 2010-05-22/23

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
21:00  0                                  clear, overexposed to h 15
21:15  0                                  clear, overexposed to h 10
21:30  0                                  clear
21:45  0                                  clear
22:00  0                                  clear, rather bright
22:15  0                                  clear, rather bright
22:30  0                                  clear, thin cirrus to h 5
22:45  0                                  clear, thin cirrus to h 5
23:00  0                                  clear, thin cirrus to h 5
23:15  0                                  clear, thin cirrus to h 5
23:30  0                                  clear, thin cirrus to h 5
23:45  0                                  clear, thin cirrus to h 3
00:00  0                                  clear, thin cirrus to h 3
00:15  0                                  clear, thin cirrus to h 3
00:30  0                                  clear, thin cirrus to h 5
00:45  0                                  clear, thin cirrus to h 5
01:00  0                                  clear, thin cirrus to h 3
01:15  0                                  clear, thin cirrus to h 5
01:30  0                                  clear, thin cirrus to h 5
01:45  0                                  clear, thin cirrus to h 8
02:00  0                                  clear, thin cirrus to h 8
02:15  0                                  clear, thin cirrus to h 8
02:30  0                                  clear, thin cirrus to h 8
02:45  0                                  clear, cirrus to h 8
03:00  0                                  clear, cirrus to h 8

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


Name of observer: Horst Meyerdierks
Location: Royal Observatory Edinburgh, 55.9N 3.2W
          naked eye, 9x63 binoculars, dSLR
          images every 15 min
Date: 2010-05-22/23

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
22:45  0                                  clear
23:00  0                                  clear
23:15  0                                  clear
23:30  0                                  clear
23:45  0                                  clear
00:00  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: 2010/05/22-23
Start: 21:00
End: 03:00
Comments:

Name: Horst Meyerdierks
Country: Scotland
Location: Edinburgh
Date: 2010/05/22-23
Start: 21:45
End: 00:00
Comments:

Images

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