
NLC 2015-07-20/21
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 compact camera with limited field of view A ~325-35, h ~0-40; images every 15 min Date: 2015-07-20/21 UT forms bright height azimuth comments ness top bot left rght e.g. weather -------- ----- ------ --- --- ---- ---- -------------------------------- 21:15:01 X 21:30:05 X 21:45:01 X 22:00:09 X 22:15:10 X 22:30:10 X 22:45:19 X 23:00:54 X 23:15:53 X 23:31:24 X 23:46:24 X 00:01:24 X 00:16:24 X 00:31:23 X 00:46:24 0 cloud to h 5 01:00:47 0 cloud to h 5, patches to h 15 01:15:46 0 cloud to h 5, patches to h 25 01:30:32 0 01:45:32 0 02:00:09 0 02:15:02 0 02:30:02 0 02:45:02 0 03:00:02 0 patchy cloud 03:15:01 0 cloud patches 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 periods of absence of NLC are reported to the NLC Observers' Home Page:
Name: Horst Meyerdierks Country: Scotland Location: Edinburgh Date: 2015/07/20-21 Start: 00:45 End: 03:15 Comments: Cloud patches.
Images
No NLC has been observed, hence no images are made available here.