Reporting
Reporting Noctilucent Cloud
Amateur observations of NLC remain of great value to professional scientists studying upper-atmosphere phenomena. Formal reports should always include the following information. Observer's Location Date Time (UT) NLC details A typical NLC report will look similar to the sample NLC report' below. Reports should be sent to your local organisation.Observer's Location
Give your name and the latitude and longitude of the place observations were made. Alternatively, give the name of the nearest town or city.Date
Use the "double-date" convention. That is, "June 21-22" would refer to the night of the 21st through to the early hours of the 22nd, irrespective of which side of midnight the NLC appeared.Time
Always use universal time (UT) which is based on the Greenwich meridian at 0 degrees. Locations east and west of Greenwich will have to make the simple conversion to UT, always remember to make appropriate adjustments for any daylight saving time which may be applied to your civil time zone.NLC Details To Include In Reports
All the above details should be combined with your visual and/or photographic observations and sent to your local organisation.Sample NLC report
| Name: | Your name | ||||
| Location: | Town/City | ||||
| Date: | Double Date (eg, 2014, 06, 21-22) | ||||
| Time (UT) | Structure | Elevation | Azimuth | Brightness | Notes |
| 23:45 | I,IIa | 10 | 330-035 | 2 | Diffuse/weak |
| 00:00 | I.IIab | 8 | 335-035 | 3 | Sharper |
| 00:15 | I,IIa,IIIb | 7 | 340-030 | 2 | |
| 00:30 | I,IIab,IIIab | 10 | 345-025 | 1 | In patchy cloud. |
| 00:45 | I,IIab | 12 | 340-030 | 2 |
