Objects in your sky: Deep Sky
by Dominic Ford
Open Clusters
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M45 (mag 1.3) will become visible around 20:14 (EDT) as the dusk sky fades, 21° above your western horizon. It will then sink towards the horizon, setting 2 hours and 53 minutes after the Sun at 22:23.
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M44 (mag 3.1) will become visible around 20:38 (EDT) as the dusk sky fades, 64° above your south-western horizon. It will then sink towards the horizon, setting at 02:57.
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NGC2232 (mag 4.2) will become visible around 20:42 (EDT) as the dusk sky fades, 25° above your south-western horizon. It will then sink towards the horizon, setting 3 hours and 40 minutes after the Sun at 23:10.
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IC4665 (mag 4.2) is visible in the morning sky, becoming accessible around 00:05, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 04:45, 53° above your southern horizon. It will be lost to dawn twilight around 04:46, 53° above your southern horizon.
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NGC869 (mag 4.3) is visible in both the dusk and dawn skies. In the evening, it will become visible around 20:42 (EDT) as the dusk sky fades, 24° above your north-western horizon. It will then sink towards the horizon, becoming tricky to observe after 21:50 when it dips 18° above your north-western horizon. At 04:46, it will return to an altitude of 18° above your north-eastern horizon, and reach an altitude of 18° before fading from view as dawn breaks around 04:46.
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M47 (mag 4.4) will become visible around 20:42 (EDT) as the dusk sky fades, 26° above your south-western horizon. It will then sink towards the horizon, setting at 23:42.
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NGC6530 (mag 4.6) is visible in the dawn sky, rising at 00:39 (EDT) and reaching an altitude of 23° above the southern horizon before fading from view as dawn breaks around 04:46.
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NGC6633 (mag 4.6) is visible in the dawn sky, rising at 23:00 (EDT) and reaching an altitude of 53° above the southern horizon before fading from view as dawn breaks around 04:46.
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IC4756 (mag 4.6) is visible in the dawn sky, rising at 23:15 (EDT) and reaching an altitude of 51° above the southern horizon before fading from view as dawn breaks around 04:46.
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NGC2244 (mag 4.8) will become visible around 20:42 (EDT) as the dusk sky fades, 33° above your south-western horizon. It will then sink towards the horizon, setting at 23:49.
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NGC884 (mag 6.1) will become visible around 20:42 (EDT) as the dusk sky fades, 25° above your north-western horizon. It will then sink towards the horizon, becoming tricky to observe after 21:16 when it dips 21° above your north-western horizon.
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Globular Clusters
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M22 (mag 5.2) is visible in the dawn sky, rising at 01:09 (EDT) and reaching an altitude of 22° above the southern horizon before fading from view as dawn breaks around 04:46.
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M4 (mag 5.4) is visible between 02:56 and 03:51. It will become accessible around 02:56, when it rises to an altitude of 20° above your southern horizon. It will reach its highest point in the sky at 03:24, 21° above your southern horizon. It will become inaccessible around 03:51 when it sinks below 20° above your southern horizon.
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M5 (mag 5.7) is visible in the morning sky, becoming accessible around 22:07, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:17, 49° above your southern horizon. It will be lost to dawn twilight around 04:46, 37° above your south-western horizon.
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M13 (mag 5.8) is visible in the morning sky, becoming accessible around 21:27, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 03:40, 84° above your southern horizon. It will be lost to dawn twilight around 04:46, 76° above your western horizon.
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M12 (mag 6.1) is visible in the morning sky, becoming accessible around 23:57, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 03:47, 45° above your southern horizon. It will be lost to dawn twilight around 04:46, 43° above your southern horizon.
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M3 (mag 6.3) is visible all night. It will become visible around 20:42 (EDT) as the dusk sky fades, 40° above your eastern horizon. It will then reach its highest point in the sky at 00:41, 75° above your southern horizon. It will be lost to dawn twilight around 04:46, 39° above your western horizon.
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M15 (mag 6.3) is visible in the dawn sky, rising at 01:40 (EDT) and reaching an altitude of 33° above the eastern horizon before fading from view as dawn breaks around 04:46.
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M92 (mag 6.5) is visible in the morning sky, becoming accessible around 21:38, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 04:15, 89° above your northern horizon. It will be lost to dawn twilight around 04:46, 84° above your western horizon.
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M2 (mag 6.6) is visible in the dawn sky, rising at 02:31 (EDT) – 3 hours and 27 minutes before the Sun – and reaching an altitude of 23° above the south-eastern horizon before fading from view as dawn breaks around 04:46.
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M10 (mag 6.6) is visible in the morning sky, becoming accessible around 00:15, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 03:55, 43° above your southern horizon. It will be lost to dawn twilight around 04:46, 42° above your southern horizon.
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Galaxies
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M31 (mag 3.4) is visible in the dawn sky, rising at 02:02 (EDT) – 3 hours and 56 minutes before the Sun – and reaching an altitude of 18° above the north-eastern horizon before fading from view as dawn breaks around 04:46.
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M81 (mag 6.9) is visible all night because it is circumpolar. It will be highest in the sky at 20:51, 63° above your northern horizon. At dusk, it will become visible around 20:42 (EDT), 63° above your northern horizon. It will be lost to dawn twilight around 04:46, 30° above your northern horizon.
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M101 (mag 7.9) is visible all night. It will become visible around 20:42 (EDT) as the dusk sky fades, 46° above your north-eastern horizon. It will be lost to dawn twilight around 04:46, 51° above your north-western horizon.
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M104 (mag 8.0) is visible in the evening sky, becoming accessible around 20:42 (EDT) as the dusk sky fades, 22° above your south-eastern horizon. It will then reach its highest point in the sky at 23:36, 36° above your southern horizon. It will continue to be observable until around 02:37, when it sinks below 22° above your south-western horizon.
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M94 (mag 8.2) is visible all night. It will become visible around 20:42 (EDT) as the dusk sky fades, 55° above your eastern horizon. It will then reach its highest point in the sky at 23:46, 88° above your southern horizon. It will be lost to dawn twilight around 04:46, 36° above your north-western horizon.
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M51 (mag 8.4) is visible all night. It will become visible around 20:42 (EDT) as the dusk sky fades, 50° above your north-eastern horizon. It will then reach its highest point in the sky at 00:28, 85° above your northern horizon. It will be lost to dawn twilight around 04:46, 45° above your north-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 dusk, becoming accessible around 20:42 (EDT), 60° above your north-western horizon. It will be lost to dawn twilight around 04:46, 20° above your northern horizon.
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