NGC 869/884 - Double Cluster |
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Object data of NGC869 |
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Object type: | open star cluster (I3r) | |
Size: | 30' | |
Magnitude: | 4.3 mag | |
Constellation: | Per | |
Distance: | 7,000 Ly | |
Notes: | = h Per; western cluster of 'Double Cluster' | |
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Object data of NGC884 |
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Object type: | open star cluster (I3r) | |
Size: | 30' | |
Magnitude: | 4.4 mag | |
Constellation: | Per | |
Distance: | 7,000 Ly | |
Notes: | = chi Per; eastern cluster of 'Double Cluster' | |
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Exposure data |
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Date: | 2009-11-20 | |
Location: | Nussbach / Austria (400m) | |
Telescope: | Rubinar300 (2.5" Maksutov Cassegrain f=300mm) | |
Camera: | EOS1000D (ISO400) | |
Mount: | Vixen GPDX | |
Exposure time: | 31x4m | |
Exposure time total: | 2h04m | |
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