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...weitere Bilder + Info: Leuchtende Nachtwolken 26./27.06.2014
...further images: Noctilucent Clouds 2014-06-26./27.

Beobachtungsort: Rostock ~54.2°N / 12.1°E
Mehr Informationen und zurück zu Noctilucent Clouds
Location: Rostock ~54.2°N / 12.1°E
More information and back to Noctilucent Clouds

Canon EOS 600D (f=16mm +f=29mm) + 1100Da + OWB Clip Filter (f=300mm)


 22:25 UTC   t=6 sec.   400 ASA   4/29mm; AZI ~010-015° (cutting, very faint structures, photographic detection only, contrast enhancement)


 seven minutes later: 22:32 UTC   t=6 sec.   400 ASA   4/29mm; AZI ~010-015° (cutting, very faint structures)


23:16 UTC   t=10 sec.   400 ASA   3x 4/29mm; AZI ~NW-NE
[Panorama 4000 x 916 Pixel  360 KB]


23:46 UTC   t=8 sec.   400 ASA   3x 4/29mm; AZI ~NW-NE
[Panorama 4000 x 978 Pixel  320 KB]


00:25 UTC   t=4 sec.   400 ASA   3x 4/29mm; AZI ~NW-NE
[Panorama 4000 x 820 Pixel  370 KB]


 01:09 UTC   t=4 sec.   400 ASA   3x 5.6/16mm; AZI ~NW-NE
 

Movie mix: 3 sequences with f=29mm, 1x with f=16mm:
[Xvid-movie 22:30-01:07 UTC   900 x 600 Pixel  3fps_ 3,5 MB]
 

More details with f=300mm:


 23:23 UTC   t=2,5 sec.   1600 ASA   4/300mm; AZI ~340°, height ~4-5°
[Xvid-movie 23:23 UTC  for 5 minutes   772 x 514 Pixel  7fps_ 1,5 MB]
 


 00:37 UTC   t=0,4 sec.   800 ASA   4/300mm; AZI see image >>> distance of clouds approx. 280 km
[Xvid-movie 00:37 UTC  for 14,5 minutes   772 x 514 Pixel  4fps_ 3,5 MB]
 


 00:56 UTC   t=0,4 sec.   800 ASA   4/300mm; AZI ~N

This movie is made by taking approx. 2 tele-photographs per second!
The movie shows 8 photographs per second:
[Xvid-movie 00:56 UTC  for 4,5 minutes   772 x 514 Pixel  8fps_ 3,5 MB]
 


 01:06 UTC   t=0,3 sec.   400 ASA   4/300mm; AZI ~N
 

The end is near. NLC fading away in the morning twilight:


 01:32 UTC   t=5 sec.   400 ASA  5.6/16mm; AZI ~WNW-NNW


 
Time (UT)
NLC Forms
Max. Elevation
Brightness
Comments
22:25-01:35
I, II, III
45°
4
AZI ~ 300°-045°, start of NLCs first detection only by camera, not even recognized by binocular; still visible at end of observation


Photographs and text are copyright ©2014 Olaf SQUARRA

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