Objects in your sky: Deep Sky
by Dominic Ford
Open clusters
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NGC1977 (mag 0.0) will become visible at around 20:00 (EDT), 38° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:18.
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Collinder 50 (mag 1.0) will become visible at around 19:32 (EDT), 51° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:28.
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M45 (mag 1.3) will become visible at around 19:36 (EDT), 50° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:25.
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M44 (mag 3.1) is visible in the evening sky, becoming accessible around 19:55 (EDT), 58° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:37, 67° above your southern horizon. It will continue to be observable until around 03:20, when it sinks below 16° above your western horizon.
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M42 (mag 4.0) will become visible at around 20:00 (EDT), 38° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:16.
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NGC2232 (mag 4.2) will become visible at around 20:00 (EDT), 42° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:10.
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IC4665 (mag 4.2) is visible in the dawn sky, rising at 00:22 (EDT) and reaching an altitude of 50° above the south-eastern horizon before fading from view as dawn breaks at around 05:42.
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Caldwell 14 (mag 4.3) will become visible at around 20:00 (EDT), 44° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 23:50 when it dips 18° above your north-western horizon.
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M47 (mag 4.4) is visible in the evening sky, becoming accessible around 20:00 (EDT), 32° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:33, 33° above your southern horizon. It will continue to be observable until around 23:40, when it sinks below 18° above your south-western horizon.
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M41 (mag 4.5) will become visible at around 20:00 (EDT), 26° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:25.
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NGC6633 (mag 4.6) is visible in the dawn sky, rising at 00:59 (EDT) and reaching an altitude of 47° above the south-eastern horizon before fading from view as dawn breaks at around 05:42.
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IC4756 (mag 4.6) is visible in the dawn sky, rising at 01:15 (EDT) and reaching an altitude of 45° above the south-eastern horizon before fading from view as dawn breaks at around 05:42.
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Globular clusters
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M4 (mag 5.4) is visible in the morning sky, becoming accessible around 04:55, when it reaches an altitude of 20° above your southern horizon. It will then reach its highest point in the sky at 05:23, 21° above your southern horizon. It will be lost to dawn twilight around 05:42, 20° above your southern horizon.
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M5 (mag 5.7) is visible in the morning sky, becoming accessible around 00:08, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:18, 49° above your southern horizon. It will be lost to dawn twilight around 05:42, 45° above your south-western horizon.
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M13 (mag 5.8) is visible in the morning sky, becoming accessible around 23:28, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 05:41, 84° above your southern horizon. It will be lost to dawn twilight around 05:42, 84° above your southern horizon.
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M12 (mag 6.1) is visible in the dawn sky, rising at 23:50 (EDT) and reaching an altitude of 45° above the southern horizon before fading from view as dawn breaks at around 05:42.
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M3 (mag 6.3) is visible in the morning sky, becoming accessible around 21:01, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:42, 76° above your southern horizon. It will be lost to dawn twilight around 05:42, 51° above your western horizon.
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M92 (mag 6.5) is visible in the dawn sky, rising at 20:13 (EDT) and reaching an altitude of 83° above the eastern horizon before fading from view as dawn breaks at around 05:42.
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M10 (mag 6.6) is visible in the dawn sky, rising at 00:08 (EDT) and reaching an altitude of 43° above the southern horizon before fading from view as dawn breaks at around 05:42.
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Galaxies
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M31 (mag 3.4) will become visible at around 19:59 (EDT), 23° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:20.
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M33 (mag 5.8) will become visible at around 20:00 (EDT), 25° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 54 minutes after the Sun at 22:47.
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M81 (mag 6.9) is visible all night because it is circumpolar. It will be highest in the sky at 22:52, 63° above your northern horizon. At dusk, it will become visible at around 20:00 (EDT), 55° above your north-eastern horizon. It will be lost to dawn twilight at around 05:42, 35° above your north-western horizon.
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M101 (mag 7.9) is visible all night. It will become visible at around 20:00 (EDT), 25° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 05:42, 61° above your north-western horizon.
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M94 (mag 8.2) is visible all night. It will become visible at around 20:00 (EDT), 28° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:51, 88° above your southern horizon. It will be lost to dawn twilight at around 05:42, 47° above your western horizon.
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M51 (mag 8.4) is visible all night. It will become visible at around 20:00 (EDT), 25° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:30, 85° above your northern horizon. It will be lost to dawn twilight at around 05:42, 55° above your north-western horizon.
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M104 (mag 8.6) is visible between 22:39 and 04:40. It will become accessible at around 22:39, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 01:40, 36° above your southern horizon. It will become inaccessible at around 04:40 when it sinks below 21° above your south-western horizon.
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NGC2403 (mag 8.9) is visible all night because it is circumpolar. It will be highest in the sky at 20:33, 66° above your northern horizon. At dusk, it will become visible at around 20:00 (EDT), 66° above your northern horizon. It will be lost to dawn twilight at around 05:42, 23° above your northern horizon.
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Nebulae
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Caldwell 49 (mag 0.0) will become visible at around 20:00 (EDT), 52° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:51.
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