Objects in your sky: Deep Sky
by Dominic Ford
Open clusters
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NGC1977 (mag 0.0) is visible from soon after it rises, at 10:47, until soon before it sets at 21:58.
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M44 (mag 3.1) will become visible at around 22:21 (CEST), 41° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 03:38.
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IC4665 (mag 4.2) is visible in the dawn sky, rising at 21:58 (CEST) and reaching an altitude of 38° above the southern horizon before fading from view as dawn breaks at around 03:44.
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Caldwell 14 (mag 4.3) is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 22:30 (CEST), 27° above your north-western horizon. It will be lost to dawn twilight at around 03:44, 27° above your northern horizon.
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NGC6633 (mag 4.6) is visible in the dawn sky, rising at 22:33 (CEST) and reaching an altitude of 37° above the south-eastern horizon before fading from view as dawn breaks at around 03:44.
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IC4756 (mag 4.6) is visible in the dawn sky, rising at 22:51 (CEST) and reaching an altitude of 35° above the south-eastern horizon before fading from view as dawn breaks at around 03:44.
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Globular clusters
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M5 (mag 5.7) is visible in the morning sky, becoming accessible around 22:34, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 02:08, 36° above your southern horizon. It will be lost to dawn twilight around 03:44, 32° above your south-western horizon.
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M13 (mag 5.8) is visible all night. It will become visible at around 22:30 (CEST), 37° above your eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 03:44, 70° above your southern horizon.
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M12 (mag 6.1) is visible in the morning sky, becoming accessible around 00:39, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 03:36, 32° above your southern horizon. It will be lost to dawn twilight around 03:44, 32° above your southern horizon.
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M3 (mag 6.3) is visible all night. It will become visible at around 22:30 (CEST), 55° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:32, 62° above your southern horizon. It will be lost to dawn twilight at around 03:44, 46° above your western horizon.
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M92 (mag 6.5) is visible all night. It will become visible at around 22:30 (CEST), 37° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 03:44, 76° above your southern horizon.
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M10 (mag 6.6) is visible in the dawn sky, rising at 22:06 (CEST) and reaching an altitude of 30° above the southern horizon before fading from view as dawn breaks at around 03:44.
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Galaxies
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M31 (mag 3.4) is visible in the dawn sky, becoming accessible around 03:03 (CEST), when it reaches an altitude of 16° above your north-eastern horizon. It will then reach an altitude of 20° before fading from view as dawn breaks at 03:45.
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M81 (mag 6.9) is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
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M101 (mag 7.9) is visible all night because it is circumpolar. It will be highest in the sky at 00:53, 88° above your southern horizon. At dusk, it will become visible at around 22:30 (CEST), 70° above your eastern horizon. It will be lost to dawn twilight at around 03:44, 65° above your western horizon.
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M94 (mag 8.2) is visible all night. It will become visible at around 22:30 (CEST), 71° above your south-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 03:44, 48° above your western horizon.
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M51 (mag 8.4) is visible all night because it is circumpolar. It will be highest in the sky at 00:19, 81° above your southern horizon. At dusk, it will become visible at around 22:30 (CEST), 71° above your eastern horizon. It will be lost to dawn twilight at around 03:44, 57° above your western horizon.
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M104 (mag 8.6) is visible between 22:39 and 00:12. It will become accessible at around 22:39, when it rises to an altitude of 21° above your southern horizon. It will reach its highest point in the sky at 23:26, 22° above your southern horizon. It will become inaccessible at around 00:12 when it sinks below 21° above your southern horizon.
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NGC2403 (mag 8.9) is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
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Nebulae
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Caldwell 49 (mag 0.0) is visible from soon after it rises, at 10:45, until soon before it sets at 23:53.
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