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...weitere Bilder + Info: Leuchtende Nachtwolken 09./10.06.2019
...further images: Noctilucent Clouds 2019-06-09./10.

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, Dydim-Filter) + Sony Alpha 7S (f = 50 mm) (Dydim-Filter) + Sony Alpha 7S (f = 12 mm)


Overview early evening part:


20:36 UT, T3.1/12 mm, t 1/3", ISO 400 (cutting), first automatic detected NLC patches high in NNW


20:42 UT, T3.1/12 mm, t 0.5", ISO 400 (cutting) (A7S "contrast modus"), faint NLC patches lower middle


20:59 UT, T3.1/12 mm, t 1", ISO 400 (cutting) (A7S "contrast modus")


21:03 UT, T3.1/12 mm, t 0.5", ISO 400 (cutting) (-NO- A7S "contrast modus")

Detailed cutting from view two images above (20:59 UT):

20:59 UT, T3.1/12 mm, t 1", ISO 400 (cutting) (A7S "contrast modus")
("ripples" at egdes = result after turning in photo program... ?!?...)




Northwestern lower sector - evening begin and end:


21:16 UT, 2/35 mm, t 1", ISO 400, faint stripes in lower middle to right cloud gap (field of view: AZI 300° - 335°)


21:46 UT, 2/35 mm, t 1.6", ISO 400 (with Pollux + Castor) (field of view: AZI 300° - 335°)


21:54 UT, 2/35 mm, t 2", ISO 400 (with Pollux + Castor) (field of view: AZI 300° - 335°)


22:05 UT, 2/35 mm, t 5", ISO 400 (cutting)


22:31 UT, 2/35 mm, t 10", ISO 400 (field of view: AZI 300° - 335°)



Northwestern > northeastern sector - begin and end:


21:42 UT, 2/50 mm, t 1", ISO 400, AZI middle ~ 340° (cutting)


22:18 UT, 2/50 mm, t 2.5", ISO 800, AZI ~ 350° - 030° (cutting)


22:33 UT, 2/50 mm, t 2.5", ISO 800, AZI ~ 350° - 030° (cutting); NLC visibility more + more to E


22:40 UT, 2/50 mm, t 3.2", ISO 800, AZI ~ 350° - 030° (cutting)


22:54 UT, 2/50 mm, t 4", ISO 800, AZI ~ 350° - 030° (cutting)


23:16 UT, 2/50 mm, t 5", ISO 800, AZI ~ 350° - 030° (cutting); bright star Capella in AZI 360°, height 10°


23:54 UT, 2/50 mm, t 5", ISO 800, AZI ~ 350° - 030° (cutting)


Time (UT)
NLC Forms
Max. Elevation (°)
Brightness
Comments
20:36 - 00:04 *
I, II, III, O, S

early evening:
approx. (at least) 45 in NNW
morning: at least 8,5 in cloud gap in AZI 030°

1 - 2
(evening)
+
(-) *

AZI:
early evening: 300 - 360
/010;
later evening to morning: 315 - > 030 (eastern end of field of view)
visibility in the cloud gaps = very good
* automatic camera observations catched the NLC before the naked eye could see them;
NLC still visible in cloud gaps at end of observation 22:15 UT in NW-part + in N-part;
last automatic detection in AZI 030° at 00:04 UT before clouded out


Photographs and text are copyright ©2019 Olaf SQUARRA

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