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File:Mgławica Półksiężyc NGC 6888.jpg

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Captions

Captions

Crescent Nebula (NGC 6888) - emission nebula located in the constellation of Cygnus.

Summary

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Description
Polski: Mgławica Półksiężyc (NGC 6888) - mgławica emisyjna znajdująca się w gwiazdozbiorze Łabędzia.

Wszystkie zdjęcia zostały wykonane w trakcie trzech nocy w sierpniu w Myczkowcach i Lutowiskach (Bieszczady) podczas zanikającego Księżyca (fazy Księżyca podczas nocy 13/14/15/16 sierpnia wynosiły około 75%, 64% oraz 53%).

Dane techniczne:
Teleskop - BKP SkyWatcher 150/750 OTAW Dual Speed zmodyfikowany (dodana maska lustra głównego, wymieniony pająk na lustro wtórne, tuba wyklejona matowym materiałem ("flocking"), zamocowany wiatrak chłodzący na lustrze głównym)
Fokuser - ZWO EAF
Kamera - ASI533MC Pro, temp: -15C
Filtry - Optolong L-Ultimate
Montaż - HEQ5
Guiding - SvBony165 + ASI120MM Mini

Całkowity czas naświetlania - 102 x 300s (8.5h), gain 101 + flat, dark, bias


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English: Cerscent Nebula (NGC 6888) - emission nebula located in the constellation Cygnus.

All images were taken over three nights in August from Myczkowce and Lutowiska in Polish Bieszczady during waning Moon (Moon phases on the nights of August 13/14/15/16 were approximately 75%, 64%, and 53%).

Technical info:
Telescope - SkyWatcher BKP 150/750 OTAW Dual Speed modified (primary mirror mask added, secondary mirror spider replaced, interior flocked, cooling fan mounted on the rear)
Focuser - ZWO EAF
Camera - ASI533MC Pro, temp: -15C
Filters - Optolong L-Ultimate
Mount - HEQ5
Guiding - SvBony165 + ASI120MM Mini

Total expousure time - 102 x 300s (8.5h), gain 101 + flat, dark, bias
Date 2025-08-13, 14, 15, 16
Source Own work
Author Wojciech Mazur

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Date/TimeThumbnailDimensionsUserComment
current22:00, 20 November 2025Thumbnail for version as of 22:00, 20 November 20252,426 × 2,425 (933 KB)Wojciech Mazur (talk | contribs)Uploaded own work with UploadWizard

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