Objects in your sky: Deep Sky
by Dominic Ford
Open clusters
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NGC1977 (mag 0.0) is visible between 18:19 and 01:32. It will become accessible at around 18:19, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 21:56, 42° above your southern horizon. It will become inaccessible at around 01:32 when it sinks below 21° above your south-western horizon.
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Collinder 50 (mag 1.0) is visible in the evening sky, becoming accessible around 17:14 (EST), 37° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:48, 63° above your southern horizon. It will continue to be observable until around 02:40, when it sinks below 11° above your western horizon.
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M45 (mag 1.3) is visible in the evening sky, becoming accessible around 17:17 (EST), 50° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:08, 71° above your southern horizon. It will continue to be observable until around 02:28, when it sinks below 12° above your western horizon.
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M44 (mag 3.1) is visible in the morning sky, becoming accessible around 19:21, when it reaches an altitude of 16° above your eastern horizon. It will then reach its highest point in the sky at 01:04, 67° above your southern horizon. It will be lost to dawn twilight around 06:03, 24° above your western horizon.
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M42 (mag 4.0) is visible between 17:57 and 01:54. It will become accessible at around 17:57, when it rises to an altitude of 17° above your south-eastern horizon. It will reach its highest point in the sky at 21:56, 42° above your southern horizon. It will become inaccessible at around 01:54 when it sinks below 17° above your south-western horizon.
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NGC2232 (mag 4.2) is visible between 18:50 and 02:47. It will become accessible at around 18:50, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 22:48, 42° above your southern horizon. It will become inaccessible at around 02:47 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 03:45 (EST) – 3 hours and 25 minutes before the Sun – and reaching an altitude of 23° above the eastern horizon before fading from view as dawn breaks at around 05:58.
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Caldwell 14 (mag 4.3) is visible all night. It will become visible at around 17:42 (EST), 72° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:41, 75° above your northern horizon. It will continue to be observable until around 03:13, when it sinks below 18° above your north-western horizon.
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M47 (mag 4.4) is visible between 20:50 and 03:03. It will become accessible at around 20:50, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 23:57, 33° above your southern horizon. It will become inaccessible at around 03:03 when it sinks below 18° above your south-western horizon.
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M41 (mag 4.5) is visible between 20:45 and 01:27. It will become accessible at around 20:45, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 23:06, 26° above your southern horizon. It will become inaccessible at around 01:27 when it sinks below 18° above your south-western horizon.
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Globular clusters
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M5 (mag 5.7) is visible in the dawn sky, rising at 01:31 (EST) and reaching an altitude of 43° above the south-eastern horizon before fading from view as dawn breaks at around 05:58.
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M13 (mag 5.8) is visible in the dawn sky, rising at 00:09 (EST) and reaching an altitude of 53° above the eastern horizon before fading from view as dawn breaks at around 05:58.
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M12 (mag 6.1) is visible in the dawn sky, rising at 03:14 (EST) – 3 hours and 56 minutes before the Sun – and reaching an altitude of 28° above the south-eastern horizon before fading from view as dawn breaks at around 05:58.
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M3 (mag 6.3) is visible in the dawn sky, rising at 22:03 (EST) and reaching an altitude of 75° above the southern horizon before fading from view as dawn breaks at around 05:58.
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M15 (mag 6.3) will become visible at around 17:42 (EST), 31° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 20:40.
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M92 (mag 6.5) is visible in the dawn sky, rising at 23:36 (EST) and reaching an altitude of 49° above the eastern horizon before fading from view as dawn breaks at around 05:58.
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M2 (mag 6.6) will become visible at around 17:42 (EST), 23° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 25 minutes after the Sun at 19:55.
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M10 (mag 6.6) is visible in the dawn sky, rising at 03:32 (EST) – 3 hours and 38 minutes before the Sun – and reaching an altitude of 24° above the south-eastern horizon before fading from view as dawn breaks at around 05:58.
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Galaxies
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M31 (mag 3.4) will become visible at around 17:42 (EST), 82° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:44.
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M33 (mag 5.8) is visible in the evening sky, becoming accessible around 17:42 (EST), 78° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 17:55, 78° above your southern horizon. It will continue to be observable until around 23:46, when it sinks below 21° above your western horizon.
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M81 (mag 6.9) is visible all night because it is circumpolar. It will be highest in the sky at 02:19, 63° above your northern horizon. At dusk, it will become visible at around 17:42 (EST), 27° above your northern horizon. It will be lost to dawn twilight at around 05:58, 51° above your north-western horizon.
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M101 (mag 7.9) is visible in the dawn sky, becoming accessible around 22:51 (EST), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 77° before fading from view as dawn breaks at 05:58.
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M94 (mag 8.2) is visible in the morning sky, becoming accessible around 22:46, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 05:14, 88° above your southern horizon. It will be lost to dawn twilight around 05:58, 81° above your western horizon.
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M51 (mag 8.4) is visible in the morning sky, becoming accessible around 22:58, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 05:53, 85° above your northern horizon. It will be lost to dawn twilight around 05:58, 85° above your northern horizon.
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M104 (mag 8.6) is visible in the morning sky, becoming accessible around 02:03, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 05:03, 36° above your southern horizon. It will be lost to dawn twilight around 05:58, 34° above your southern 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 23:57, 66° above your northern horizon. At dusk, it will become visible at around 17:42 (EST), 36° above your north-eastern horizon. It will be lost to dawn twilight at around 05:58, 38° above your north-western horizon.
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Nebulae
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Caldwell 49 (mag 0.0) is visible between 18:34 and 03:11. It will become accessible at around 18:34, when it rises to an altitude of 21° above your eastern horizon. It will reach its highest point in the sky at 22:53, 52° above your southern horizon. It will become inaccessible at around 03:11 when it sinks below 21° above your western horizon.
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