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...weitere Bilder + Info: Leuchtende Nachtwolken 08.07./09.07.2018
...further images: Noctilucent Clouds 2018-07-08./09.

Beobachtungsort: Rostock ~54.2°N / 12.1°E
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Location: Rostock ~54.2°N / 12.1°E
More information and back to Noctilucent Clouds

Canon EOS 1100Da (f = 35 mm) (OWB-Clip-Filter) + Sony Alpha 7S (f = 25 mm), each with Didymfilter + Canon EOS 600D (f = 28 - 80 mm)
Northwestern Part:


21:35 UT, 2/35 mm, t 1.6", ISO 400 (AZI middle ~ 315°)


21:37 UT, 2/35 mm, t 2", ISO 400 (AZI middle ~ 315°)


22:01 UT, 2/35 mm, t 6", ISO 400 (AZI middle ~ 315°)


22:08 UT, 2/35 mm, t 8", ISO 400 (AZI middle ~ 315°)

Northern Part:



21:26 UT, 2/25 mm, t 1", ISO 640, (AZI with NLC ~ 020° - 025°)
cutting from image above:




00:21 UT, 6.3/45 mm, t 20", ISO 400, cutting (AZI middle ~ 350°)


00:23 UT, 6.3/45 mm, t 25", ISO 400, cutting (AZI middle ~ 350°)
cuttings from image above:

same image, bit more contrast:




00:27 UT, 2/25 mm, t 6", ISO 640, cutting (AZI with NLC ~ 345° - 355°)
20seconds later:

00:27 UT, 2/25 mm, t 6", ISO 640, cutting (AZI with NLC ~ 345°)


00:28 UT, 2/25 mm, t 6", ISO 640, cutting (AZI with NLC ~ 345° - 350°)

 

Time (UT) *
NLC Forms
Max. Elevation (°)
Brightness
Comments
NW-part: 21:28 - 21:53*,
then almost gone + new NLC from AZI 335° until 22:21 (then cloudy)

N-part: 21:15 - 21:47*,
00:14 - 00:17
+
00:20 - 00:30
both very faint in automatic camera
I, II
 10°
(evening part in NW),
4°
(morning part in N)

(-)*
AZI (°) (at least):

- NW-part: start: 310° - 315°, h 10°
max.: 300° - 335°, h 7°

- N-part:
1. 020° - 025°, h 3,5°
2. 345° - 350°, h 4°
3. 350° - 355°, h 3°

* = automatic camera observations;
had a break during "maximum", nothing seen visual;
many clouds from ~ 22:15 UT on,
later better again but often misty / haze up to 5° in height


Photographs and text are copyright ©2019 Olaf SQUARRA

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