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...weitere Bilder + Info: Leuchtende Nachtwolken 18./19.07.2022
...further images: Noctilucent Clouds 2022-07-18/19

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


Cameras used f (focal length)
Filter Filter (2)
Other
Canon EOS 1100Da 35 mm Rollei Astroklar OWB-Clip NW-sector
Sony Alpha 7S 12 mm

N-sector
freehand

Sony Alpha 7S 50 mm Dydim
N-sector
Sony Alpha 7S 300 mm Dydim
N-horizon



NW-sector:
(end in the morning, largest extent to W)
 









N-sector:
 

Time lapse f 50 mm:
on youtube
https://www.youtube.com/watch?v=_PYdlGkDdYc

Please, on youtube, use setting for best quality. Sorry for bad quality in upper sky area - that is made by youtube itself.
But if you watch the lower part only (with NLC) it will be ok ;-)




first patches, post processed





























  Tele views (f 300 mm) along northern horizon:

 4 x f 300 mm in two rows:

4 x f 300 mm in
        two rows


0011 - 0013 UT,
        10 x f 300 mm
00:11 - 00:13 UT, 10 x f 300 mm, Sony Alpha 7S + Pentacon 4,5/300 mm, ISO 1250, t 3,2" - 6"

Please enlarge (10 x f 300 mm):
10000 x 918 pixel, 1,2 MB





Please enlarge (2 x f 300 mm):
7000 x 1585 pixel, 1,9 MB




f 12 mm:

single shot (freehand, post processed)


Please enlarge:
1600 x 1016 pixel, 390 KB



Stacking results:


5 x f 12 mm (freehand) stacked with Starry Sky Stacker


4 x f 12 mm (freehand) stacked with Starry Sky Stacker


8 x f 12 mm (freehand) stacked with Starry Sky Stacker


Time (UT)
NLC Forms
Max. Elevation (°)
Brightness
Comments
before 20:41 - 02:03 *
I, II, III, IV, P, V

12,5
(evening + morning)

3 (- 4)
AZI: 317° (morning) - ~ 060° (morning, evening > 030°)
first part between clouds / behind cirrus
brightness more to 3 than to 4, maybe close to 4...

* automatic + manual camera observations


Photographs and text are copyright ©2022 Olaf SQUARRA

"Atmosphärisches" https://3sky.de