NEGATIVE NLC REPORTS 2017:
Observer | Location | Country | yy | mm | dd | UT-Start | UT-End | notes |
|---|---|---|---|---|---|---|---|---|
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 05 | 16-17 | 21:00 | 22:15 | clear |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 05 | 16-17 | 01:30 | 03:15 | some cloud |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 05 | 22-23 | 21:15 | 03:15 | some cloud |
John Rowlands | Anglesey | Wales | 2017 | 05 | 25-26 | 01:35 | 02:00 | haze to 2 degrees |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 05 | 25-26 | 21:30 | 22:00 | Clear, 0 oktas, some murk near horizon. |
John Rowlands | Anglesey | Wales | 2017 | 05 | 26-27 | 01:20 | 02:05 | Excellent transparency, haze to 0.5 deg elev |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 05 | 26-27 | 21:30 | 22:00 | Clear, 0 oktas, <1 okta of cirrus in distance. |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 05 | 30-31 | 21:30 | 22:00 | 7/8ths Sc, post-cold front, no NLC visible. |
Heiko Ulbricht | Freital/Saxony | Germany | 2017 | 05 | 31-32 | 20:25 | 20:40 | clear, no NLCs visible |
Sandra Brantingham | 57.35N-002.45W | Scotland | 2017 | 06 | 02-03 | 22.00 | 02.00 | Mostly cleaR to the north but no NLC. |
Alan C Tough | Elgin | Scotland | 2017 | 06 | 02-03 | 00:00 | 00:15 | Some broken cloud around but clear to the north. |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 06 | 02-03 | 21:30 | 00:30 | some cloud after 23:00 |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 06 | 03-04 | 21:30 | 22:00 | Skies largely clear. |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 06 | 03-04 | 01:30 | 02:15 | Cloud cover 2-4 oktas, 50% of twilight arch obscured. No NLCs. |
Len Entwisle | Elland,Wesr Yorks | United Kingdom | 2017 | 06 | 03-04 | 22:00 | 23:00 | Cloud to 3 oktas. Clear WNW to ENE |
Alan C Tough | Elgin | Scotland | 2017 | 06 | 03-04 | 00:00 | 00:30 | Overall cloud cover 3-4 oktas but mainly clear to the north. |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 06 | 03-04 | 22:15 | 23:00 | some cloud |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 06 | 03-04 | 01:00 | 02:45 | some cloud |
Heiko Ulbricht | Freital | Germany | 2017 | 06 | 04-05 | 20:00 | 20:50 | Very clear after cold front, deep blue evening sky, no NLCs visible. |
Bill Ward | Kilwinning | Scotland | 2017 | 06 | 04-05 | 00:00 | 01:30 | Fairly heavy cloud with some breaks. Nothing noted through breaks in cloud. |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 06 | 04-05 | 21:30 | 21:50 | Observing cut short by increasing cloud; no NLCs observed. |
Sandra Brantingham | Glenbarry, Aberdeenshire | UK | 2017 | 06 | 07-08 | 22.00 | 02.00 | gin clear skies after the heavy rain |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 06 | 08-09 | 01:15 | 02:15 | Largely clear, 1-2 oktas of cloud, a little in twilight arch; no NLCs. |
Len Entwisle | Elland | England | 2017 | 06 | 08-09 | 21:45 | 23:35 | Cloud to 3 oktas.till 23:35 UT rising to 6 oktas post watch |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 12-13 | 01:00 | 01:45 | Clear, no NLCs… |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 13-14 | 01:00 | 01:45 | Clear, no NLCs… |
Kevin Boyle | Stoke-on-Trent | England | 2017 | 06 | 13-14 | 01:45 | 02:15 | High cloud greatly interfered, some mid-level cloud, no NLCs observable. |
Tomasz Adam | Kraków | Poland | 2017 | 06 | 15-16 | 20:00 | 21:00 | Cirrus clouds present. |
Tomasz Adam | Kraków | Poland | 2017 | 06 | 15-16 | 00:50 | 01:30 | Partly overcast |
Len Entwisle | ELLAND | England | 2017 | 06 | 17-18 | 21:45 | 01:00 | No NLC under very clear sky. |
Heiko Ulbricht | Großhartmannsdorf/Saxony | Germany | 2017 | 06 | 17-18 | 20:30 | 21:30 | Very clear to horizon, no NLCs visible. |
Tomasz Adam | Kraków | Poland | 2017 | 06 | 18-19 | 20:00 | 01:30 | Clear in the evening, partly overcast in the morning |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 18-19 | 00:30 | 01:15 | Clear, no NLCs visible. |
Tomasz Adam | Kraków | Poland | 2017 | 06 | 19-20 | 20:00 | 21:00 | Clear |
Tomasz Adam | Kraków | Poland | 2017 | 06 | 21-22 | 20:00 | 21:00 | Ordinary high clouds present |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 24-25 | 01:00 | 01:30 | Very clear, cloud bank 5-7° above horizon, no NLCs visible. |
Tomasz Adam | Kraków | Poland | 2017 | 06 | 24-25 | 01:00 | 01:25 | partially overcast, clear horizon, no NLCs |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 27-28 | 20:20 | 21:00 | Cloud banks above the horizon, breaks in the clouds. No NLC visible. |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 28-29 | 20:15 | 21:15 | Very clear after thunderstorms over the day, but no NLCs visible… |
Heiko Ulbricht | Herzogswalde/Saxony | Germany | 2017 | 06 | 30-31 | 20:40 | 21:20 | Clear, cirrus clouds above horizon. No NLCs. The worst season since years. |
P.P. Hattinga Verschure | Deventer, Netherlands | Netherlands | 2017 | 07 | 01-02 | 01.15 | 8 octas stratocumulus | |
Tomasz Adam | Kraków | Poland | 2017 | 07 | 03-04 | 20:00 | 20:45 | Clear, no NLCs |
Tomasz Adam | Kraków | Poland | 2017 | 07 | 04-05 | 20:00 | 20:45 | Clear, no NLCs |
Len Entwisle | Elland,West Yorks | England | 2017 | 07 | 04-05 | 21:40 | 23:20 | NW to NE .Sky clouded except for NLC zone.No NLC |
Frank Nieuwenhuys | Delft | Netherlands | 2017 | 07 | 05-06 | 21.00 | 21.30 | Despite clear northern sky no trace of any NLC. Only some dark Cirrus. |
Mark Zalcik | Namao | Canada | 2017 | 07 | 09-10 | 0530 | 0945 | clear, some smoke |
John Rowlands | Anglesey | Wales | 2017 | 07 | 11-12 | 22:30 | 01:30 | Clear to horizon, strong moonlight. |
Mark Zalcik | Namao | Canada | 2017 | 07 | 13-14 | 0600 | 0915 | clear |
Mark Zalcik | Namao | Canada | 2017 | 07 | 14-15 | 0530 | 0900 | clear |
Tomasz Adam | Kraków | Poland | 2017 | 07 | 15-16 | 01:00 | 01:40 | Almost clear, no NLCs |
Mark Zalcik | Namao | Canada | 2017 | 07 | 15-16 | 0530 | 0700 | clear |
John Rowlands | Anglesey | Wales | 2017 | 07 | 16-17 | 21:30 | 02:00 | Very good transparency, clear to horizon. |
Len Entwisle | Elland,West Yorks | England | 2017 | 07 | 16-17 | 21:40 | 01:00 | No NLC (or aurora) in clear skies |
Tomasz Adam | Kraków | Poland | 2017 | 07 | 19-20 | 20:00 | 20:30 | clear |
Tomasz Adam | Kraków | Poland | 2017 | 07 | 21-22 | 20:00 | 20:15 | Clear |
John Rowlands | Anglesey | Wales | 2017 | 07 | 21-22 | 00:10 | 01:45 | Superb transparency 0/8 behind front. |
Mark Zalcik | Namao | Canada | 2017 | 07 | 21-22 | 0930 | 0930 | forest fire smoke |
Len Entwisle | Elland,West Yorkshire | United Kingdom | 2017 | 07 | 24-25 | 21:40 | 23:00 | Clear sky with no NLC.Tropo cloud in at 23:00 UT |
Mark Zalcik | Namao | Canada | 2017 | 07 | 25-26 | 0515 | 0945 | clear |
John Rowlands | Anglesey | Wales | 2017 | 07 | 28-29 | 02:40 | 03:00 | Excellent transparency, 0/8 |
Mark Zalcik | Namao | Canada | 2017 | 07 | 31-32 | 0515 | 0600 | |
Mark Zalcik | Edmonton | Canada | 2017 | 08 | 01-02 | 0500 | 0530 | clear |
Mark Zalcik | Namao | Canada | 2017 | 08 | 02-03 | 0500 | 0530 | clear |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 08 | 07-08 | 20:45 | 04:00 | Almost clear. |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 08 | 08-09 | 01:00 | 02:00 | Some cloud. |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 08 | 09-10 | 20:30 | 02:00 | Some cloud, cloudy 21:30 to 22:15. |
Horst Meyerdierks | Edinburgh | Scotland | 2017 | 08 | 15-16 | 21:15 | 22:45 | Clear. |
