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On this page I collect my observations of the open star cluster M 18 (NGC 6613) in the constellation Sagittarius.
The open star cluster M 18 is located in the constellation Sagittarius and is, according to Stoyan, more or less a "sub par" star cluster. For me, it was attractive to be able to observe it with the telescope together with M 17 in the field of view.
In a Vespera Pro mosaic, M 18 can be seen together with M 16 and M 17.
M 18 (NGC 6613)
Size: 8' (Stoyan)
Distance: 5,700 light years (Stoyan)
Rating: * (Stoyan)
M 18 in the constellation Sagittarius and in the context of other nearby DSO; M 17 is located directly above it, and both can be observed together in a telescope. (Images Courtesy of SkySafari Astronomy, www.simulationcurriculum.com)
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M 18 - May 29, 2020 |
M 18 - Jul 9, 2020 |
M 18 - Aug 23, 2020 |
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M 18 - May 29, processed |
M 18 - Jul 9, 2020, processed |
M 18 - Aug 23, 2020, processed |
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M 18, 4.7.2024 - 1800 (334 frames = 3340s), 1:1 section from mosaic |
M 18, 4.7.2024 - 1800 (334 frames = 3340s), 1:1 section from mosaic, processed |
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M 16, M 17, and M 18, Jul 4, 2024 - 2000 (334 frames = 3340s), mosaic |
M 16, M 17, and M 18, Jul 4, 2024 - 2000 (334 frames = 3340s), mosaic, processed |
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Evaluation with nova.astrometry.net of the photo above |
Evaluation with nova.astrometry.net of the photo below |
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M 16, M 17, and M 18, Aug 6, 2024 - 2000 (363 frames = 3630s), mosaic |
M 16, M 17, and M 18, Aug 6, 2024 - 2000 (363 frames = 3630s), mosaic, processed |
