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 13:27, until soon before it sets at 00:58.
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Collinder 50 (mag 1.0) will become visible at around 19:20 (EDT), 58° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:08.
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M45 (mag 1.3) will become visible at around 19:24 (EDT), 59° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:05.
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M44 (mag 3.1) is visible in the evening sky, becoming accessible around 19:43 (EDT), 50° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:17, 67° above your southern horizon. It will continue to be observable until around 04:00, when it sinks below 16° above your western horizon.
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M42 (mag 4.0) will become visible at around 19:48 (EDT), 41° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:56.
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NGC2232 (mag 4.2) is visible in the evening sky, becoming accessible around 19:48 (EDT), 42° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:05, 42° above your southern horizon. It will continue to be observable until around 00:03, when it sinks below 18° above your south-western horizon.
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IC4665 (mag 4.2) is visible in the dawn sky, rising at 00:02 (EDT) and reaching an altitude of 48° above the south-eastern horizon before fading from view as dawn breaks at around 06:00.
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Caldwell 14 (mag 4.3) will become visible at around 19:48 (EDT), 51° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 00:30 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 19:48 (EDT), 29° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:14, 33° above your southern horizon. It will continue to be observable until around 00:20, when it sinks below 18° above your south-western horizon.
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M41 (mag 4.5) is visible in the evening sky, becoming accessible around 19:48 (EDT), 26° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:23, 26° above your southern horizon. It will continue to be observable until around 22:44, when it sinks below 18° above your south-western horizon.
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NGC6633 (mag 4.6) is visible in the dawn sky, rising at 00:39 (EDT) and reaching an altitude of 44° above the south-eastern horizon before fading from view as dawn breaks at around 06:00.
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IC4756 (mag 4.6) is visible in the dawn sky, rising at 00:55 (EDT) and reaching an altitude of 42° above the south-eastern horizon before fading from view as dawn breaks at around 06:00.
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Globular clusters
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M4 (mag 5.4) is visible in the dawn sky, rising at 00:48 (EDT) and reaching an altitude of 21° above the southern horizon before fading from view as dawn breaks at around 06:00.
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M5 (mag 5.7) is visible in the morning sky, becoming accessible around 23:48, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:58, 49° above your southern horizon. It will be lost to dawn twilight around 06:00, 47° above your south-western horizon.
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M13 (mag 5.8) is visible in the dawn sky, rising at 20:26 (EDT) and reaching an altitude of 82° above the south-eastern horizon before fading from view as dawn breaks at around 06:00.
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M12 (mag 6.1) is visible in the dawn sky, rising at 23:31 (EDT) and reaching an altitude of 45° above the southern horizon before fading from view as dawn breaks at around 06:00.
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M3 (mag 6.3) is visible in the morning sky, becoming accessible around 20:41, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:22, 76° above your southern horizon. It will be lost to dawn twilight around 06:00, 55° above your western horizon.
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M92 (mag 6.5) is visible in the dawn sky, rising at 19:53 (EDT) and reaching an altitude of 79° above the eastern horizon before fading from view as dawn breaks at around 06:00.
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M10 (mag 6.6) is visible in the dawn sky, rising at 23:48 (EDT) and reaching an altitude of 42° above the southern horizon before fading from view as dawn breaks at around 06:00.
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Galaxies
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M31 (mag 3.4) will become visible at around 19:47 (EDT), 31° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:01.
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M33 (mag 5.8) will become visible at around 19:48 (EDT), 34° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:27.
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M81 (mag 6.9) is visible all night because it is circumpolar. It will be highest in the sky at 23:32, 63° above your northern horizon. At dusk, it will become visible at around 19:48 (EDT), 50° above your north-eastern horizon. It will be lost to dawn twilight at around 06:00, 36° above your north-western horizon.
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M101 (mag 7.9) is visible in the morning sky, becoming accessible around 19:08, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 03:43, 78° above your northern horizon. It will be lost to dawn twilight at around 06:00, 64° above your north-western horizon.
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M94 (mag 8.2) is visible in the morning sky, becoming accessible around 19:03, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 01:31, 88° above your southern horizon. It will be lost to dawn twilight around 06:00, 51° above your western horizon.
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M51 (mag 8.4) is visible in the morning sky, becoming accessible around 19:15, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 03:10, 85° above your northern horizon. It will be lost to dawn twilight around 06:00, 59° above your north-western horizon.
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M104 (mag 8.6) is visible between 22:19 and 05:21. It will become accessible at around 22:19, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 01:20, 36° above your southern horizon. It will become inaccessible at around 05:21 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 21:14, 66° above your northern horizon. At dusk, it will become visible at around 19:48 (EDT), 63° above your northern horizon. It will be lost to dawn twilight at around 06:00, 24° above your northern horizon.
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Nebulae
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Caldwell 49 (mag 0.0) is visible from soon after it rises, at 13:48, until soon before it sets at 02:31.
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