
NLC 2012-07-20/21
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.
unattended dSLR with limited field of view A ~325-35, h ~0-40 images every 15 min Date: 2012-07-20/21 UT forms bright height azimuth comments ness top bot left rght e.g. weather ----- ----- ------ --- --- ---- ---- -------------------------------- 21:15 X overcast 21:30 X overcast 21:45 X overcast 22:00 X overcast 22:15 X almost overcast 22:30 X almost overcast 22:45 X almost overcast 23:00 X cloud to h 25 23:15 X widespread cloud 23:30 X widespread cloud 23:45 X cloud on right 00:00 0 00:15 0 00:30 0 00:45 0 01:00 0 01:15 0 01:30 0 01:45 0 02:00 0 02:15 0 02:30 0 02:45 0 03:00 0 03:15 0 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: Edinburgh Date: 2012/07/20-21 Start: 00:00 End: 03:15 Comments: some cloud
Images
No NLC has been observed, hence no images are made available here.