NLC 2009-08-12/13

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: 2009-08-12/13

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
20:30  0                                  few cloud patches
20:45  0                                  clear
21:00  0                                  clear
21:15  0                                  clear
21:30  0                                  clear
21:45  0                                  clear
22:00  0                                  clear
22:15  0                                  clear
22:30  0                                  clear
02:15  0                                  clear
02:30  0                                  clear
02:45  0                                  clear
03:00  0                                  cloud patches to h 15
03:15  0                                  cloud patches to h 15
03:30  0                                  cloud patches to h 15
03:45  0                                  cloud to h 10
04:00  0                                  cloud to h 10

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: 2009/08/12-13
Start: 20:30
End: 04:00
Comments: From 03:00 some cloud on horizon to h 10 or 15.

Images

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