NLC 2009-06-01/02
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 ~330-30, h ~0-40
images every 5 min
Date: 2009-06-01/02
UT forms bright height azimuth comments
ness top bot left rght e.g. weather
----- ----- ------ ------- ---- ---- --------------------------------
21:20 0 cloud h 0 to 10
21:25 0 cloud h 0 to 10
21:30 0 cloud h 0 to 10
21:35 0 cloud h 0 to 15
21:40 0 cloud h 0-5 and 10-20
21:45 0 cloud h 0-5 and 10-20
21:50 0 cloud h 0 to 5
21:55 II? 1 20 10 330 10 cloud h 0 to 5
22:00 II 1 20 10 340 5 cloud h 0 to 5
22:05 II 1-2 25 15 345 10 cloud h 0 to 10
22:10 II 2 30 15 350 20 cloud h 0 to 15
22:15 IV 2 35 15 0 25 cloud encroaching on NLC
22:20 X patchy cloud all over field
22:25 X patchy cloud all over field
22:30 X patchy cloud all over field
22:35 X patchy cloud
22:40 X cloud
22:45 X cloud
22:50 X cloud
22:55 X cloud
23:00 X cloud
23:05 X cloud
23:10 II 2 through cloud gap
23:15 IV 2 through cloud gap
23:20 II,IV 2 20 <10 340 >25 through cloud gap
23:25 II,IV 2 20 <10 340 25 through cloud gap
23:30 II 1-2 20 10 340 30 cloud h 0 to 10
23:35 II 2 15 10 350 30 cloud h 0 to 10
23:40 II 2 20 15 350 >30 cloud h 0 to 10
23:45 II 2 20 15 350 >30 cloud h 0 to 10
23:50 I,II 2 20 15 0 >30 cloud h 0 to 10
23:55 0? cloud h 0 to 10, patchy cloud to h 30
00:00 0? cloud h 0 to 10, patchy cloud to h 30
00:05 0 cloud h 0 to 10, patchy cloud to h 30
00:10 0 cloud h 0 to 15
00:15 X cloud
00:20 X cloud
00:25 X cloud
00:30 X cloud
00:35 X cloud
00:40 X cloud
00:45 X cloud
00:50 X cloud
00:55 X cloud
01:00 X cloud
01:05 X cloud
01:10 X cloud
01:15 X cloud
01:20 NLC? through cloud gap
01:25 X cloud
01:30 X cloud
01:35 X cloud
01:40 X cloud
01:45 X cloud
01:50 NLC? 1-2 20 10 <330 >10 cloud below and to right
01:55 II,IV 2 25 10 330 >25 cloud below and to right
02:00 II,IV 2 30 15 340 >25 cloud h 0 to 10, on right to 20
02:05 IV 2 35 20 345 20 cloud h 0 to 10
02:10 NLC 1 25 20 0 25 cloud h 0 to 10
02:15 IV? 1 25 20 0 35 cloud h 0 to 10
02:20 0 cloud h 0 to 10
02:25 0 cloud h 0 to 15
02:30 0 cloud h 0 to 15
02:35 0 cloud h 0 to 15
02:40 0 cloud h 0 to 15
02:45 0 cloud h 0 to 15
02:50 0 cloud h 0 to 15
02:55 0 cloud h 0 to 15
03:00 0 cloud h 0 to 15
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: only in binoculars
3: intensely bright and vivid
2: else
NLCnet report
Name: Horst Meyerdierks
Country: Scotland
Location: Edinburgh
Date: 2008/06/01-02
Start: 21:55
End: 02:15
Forms: II, IV
Max elevation: 35
Max brightness: 2
Comments:
<a href="http://www.chiandh.me.uk/p/NLC_2009-06-01/02>Images</a>.
forms: I: veil
II: bands
III: waves
IV: whirls
O: other than or multiple of I-IV
brightness: 1: very weak
2: clearly detected
3: clearly visible
4: very bright
5: extremely bright
Images
Listed below are the images with positive sightings of NLC. These have been processed merely to adjust the brightness for underexposure. In some cases there is an additional image where an aggressive unsharp mask has been applied to bring out faint NLC.
- 21:55 UT: q1624.jpg, masked
- 22:00 UT: q1625.jpg, masked
- 22:05 UT: q1626.jpg
- 22:10 UT: q1627.jpg
- 22:15 UT: q1628.jpg
- 23:10 UT: q1639.jpg
- 23:15 UT: q1640.jpg
- 23:20 UT: q1641.jpg
- 23:25 UT: q1642.jpg
- 23:30 UT: q1643.jpg
- 23:35 UT: q1644.jpg
- 23:40 UT: q1645.jpg
- 23:45 UT: q1646.jpg
- 23:50 UT: q1647.jpg
- 01:20 UT: q1665.jpg
- 01:50 UT: q1671.jpg, masked
- 01:55 UT: q1672.jpg, masked
- 02:00 UT: q1673.jpg
- 02:05 UT: q1674.jpg, masked
- 02:10 UT: q1675.jpg, masked
- 02:15 UT: q1676.jpg, masked
