chi and h site logo

NLC 2009-07-28/29

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: 2009-07-28/29

  UT   forms  bright   height   azimuth   comments
               ness   top bot  left rght  e.g. weather
-----  -----  ------  --- ---  ---- ----  --------------------------------
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
22:45  X                                  cloud
23:00  X                                  cloud
23:15  X                                  cloud
23:30  X                                  cloud
23:45  X                                  cloud
00:00  X                                  cloud
00:15  X                                  cloud
00:30  X                                  cloud
00:45  X                                  cloud
01:00  X                                  cloud
01:15  X                                  cloud
01:30  0                                  cloud to h 5
01:45  0                                  cloud to h 5
02:00  0                                  cloud to h 5
02:15  0                                  cloud to h 5, patches higher
02:30  0                                  cloud to h 5, patches to h 15
02:45  0                                  some cloud patches
03:00  X                                  cloud
03:15  0                                  cloud low on horizon
03:30  0                                  cloud low on horizon

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: 2009/07/28-29
Start: 01:30
End: 03:30
Comments: Cloud on horizon to h 10 or 15 deg.

Images

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