 Fine art astrophotography by Vicent Peris |
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Messier 57
Vicent Peris (DSA/OAUV), José Luis Lamadrid (DSA/CEFCA), Jack Harvey (DSA/SSRO), Steve Mazlin (DSA/SSRO), Ana Guijarro (CAHA)
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 Telescope
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Calar Alto 1.2 and 3.5 meter.
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Camera |
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2Kx2K, 24 um pixel SITe (1.23m telescope); LAICA (CCD#1, 3.5m telescope); Omega-2000 (IR camera on the 3.5m telescope with a 2Kx2K HAWAII-2 image sensor).
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Filters |
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9 mn wide OIII and 5 nm wide H-alpha (1.23m telescope). Johnson B, V and R (3.5m telescope). H2 narrowband filter for Omega2000 image (centered at 2.12 um).
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Exposure Time |
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1.23m telescope (OIII and H-alpha): 18 hours. 3.5m telescope (BVR): 3 hours. 3.5m telescope (H2): 45 minutes.
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Calibration |
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PixInsight Core 1.5.
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Processing |
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PixInsight Core 1.5.
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