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 09:46, until soon before it sets at 21:25.
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M44 (mag 3.1) will become visible at around 20:38 (PDT), 60° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:39.
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M7 (mag 3.3) is visible in the morning sky, becoming accessible around 02:07, when it reaches an altitude of 16° above your south-eastern horizon. It will then reach its highest point in the sky at 03:56, 21° above your southern horizon. It will be lost to dawn twilight around 04:54, 19° above your southern horizon.
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M6 (mag 4.2) is visible in the morning sky, becoming accessible around 01:48, when it reaches an altitude of 18° above your south-eastern horizon. It will then reach its highest point in the sky at 03:43, 23° above your southern horizon. It will be lost to dawn twilight around 04:52, 21° above your southern horizon.
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NGC2232 (mag 4.2) will become visible at around 20:42 (PDT), 18° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 41 minutes after the Sun at 22:18.
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IC4665 (mag 4.2) is visible in the morning sky, becoming accessible around 23:02, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 03:49, 61° above your southern horizon. It will be lost to dawn twilight around 04:52, 58° above your south-western horizon.
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M47 (mag 4.4) will become visible at around 20:42 (PDT), 24° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 22 minutes after the Sun at 22:59.
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NGC6633 (mag 4.6) is visible in the morning sky, becoming accessible around 23:45, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 04:29, 62° above your southern horizon. It will be lost to dawn twilight around 04:52, 61° above your southern horizon.
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IC4756 (mag 4.6) is visible in the morning sky, becoming accessible around 23:59, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 04:41, 61° above your southern horizon. It will be lost to dawn twilight around 04:52, 61° above your southern horizon.
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Globular clusters
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M22 (mag 5.2) is visible in the morning sky, becoming accessible around 01:56, when it reaches an altitude of 20° above your south-eastern horizon. It will then reach its highest point in the sky at 04:39, 32° above your southern horizon. It will be lost to dawn twilight around 04:52, 31° above your southern horizon.
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M4 (mag 5.4) is visible between 00:05 and 04:47. It will become accessible at around 00:05, when it rises to an altitude of 20° above your south-eastern horizon. It will reach its highest point in the sky at 02:26, 29° above your southern horizon. It will become inaccessible at around 04:47 when it sinks below 20° above your south-western horizon.
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M5 (mag 5.7) is visible in the morning sky, becoming accessible around 21:00, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:21, 58° above your southern horizon. It will be lost to dawn twilight around 04:52, 31° above your western horizon.
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M13 (mag 5.8) is visible in the morning sky, becoming accessible around 20:56, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 02:44, 87° above your northern horizon. It will be lost to dawn twilight around 04:52, 63° above your western horizon.
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M12 (mag 6.1) is visible in the morning sky, becoming accessible around 22:43, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:50, 54° above your southern horizon. It will be lost to dawn twilight around 04:52, 43° above your south-western horizon.
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M3 (mag 6.3) is visible all night. It will become visible at around 20:42 (PDT), 51° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:41, 84° above your southern horizon. It will be lost to dawn twilight at around 04:52, 25° above your western horizon.
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M15 (mag 6.3) is visible in the dawn sky, rising at 00:55 (PDT) and reaching an altitude of 47° above the eastern horizon before fading from view as dawn breaks at around 04:52.
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M55 (mag 6.3) is visible in the dawn sky, rising at 01:14 (PDT) and reaching an altitude of 23° above the southern horizon before fading from view as dawn breaks at around 04:52.
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M62 (mag 6.4) is visible between 01:28 and 04:39. It will become accessible at around 01:28, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 03:04, 25° above your southern horizon. It will become inaccessible at around 04:39 when it sinks below 21° above your southern horizon.
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M92 (mag 6.5) is visible in the morning sky, becoming accessible around 21:16, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 03:20, 80° above your northern horizon. It will be lost to dawn twilight around 04:52, 69° above your north-western horizon.
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M2 (mag 6.6) is visible in the dawn sky, rising at 01:35 (PDT) and reaching an altitude of 38° above the south-eastern horizon before fading from view as dawn breaks at around 04:52.
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M10 (mag 6.6) is visible in the morning sky, becoming accessible around 23:00, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:00, 51° above your southern horizon. It will be lost to dawn twilight around 04:52, 43° above your south-western horizon.
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Galaxies
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M31 (mag 3.4) is visible in the dawn sky, rising at 02:14 (PDT) – 3 hours and 43 minutes before the Sun – and reaching an altitude of 23° above the north-eastern horizon before fading from view as dawn breaks at around 04:53.
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M81 (mag 6.9) is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 20:42 (PDT), 54° above your northern horizon. It will be lost to dawn twilight at around 04:52, 18° above your northern horizon.
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M83 (mag 7.2) is visible between 21:58 and 01:14. It will become accessible at around 21:58, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 23:36, 26° above your southern horizon. It will become inaccessible at around 01:14 when it sinks below 21° above your southern horizon.
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M101 (mag 7.9) is visible all night. It will become visible at around 20:42 (PDT), 49° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:06, 69° above your northern horizon. It will be lost to dawn twilight at around 04:52, 37° above your north-western horizon.
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M94 (mag 8.2) is visible in the evening sky, becoming accessible around 20:42 (PDT), 63° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:50, 82° above your northern horizon. It will continue to be observable until around 04:48, when it sinks below 21° above your north-western horizon.
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M51 (mag 8.4) is visible all night. It will become visible at around 20:42 (PDT), 56° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:29, 76° above your northern horizon. It will be lost to dawn twilight at around 04:52, 30° above your north-western horizon.
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M104 (mag 8.6) is visible in the evening sky, becoming accessible around 20:42 (PDT), 36° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:39, 44° above your southern horizon. It will continue to be observable until around 02:12, when it sinks below 21° above your south-western horizon.
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NGC2403 (mag 8.9) will become visible at around 20:42 (PDT), 48° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 01:10 when it dips 21° above your north-western horizon.
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Nebulae
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Caldwell 49 (mag 0.0) is visible from soon after it rises, at 10:16, until soon before it sets at 22:49.
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M8 (mag 5.8) is visible in the morning sky, becoming accessible around 01:36, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 04:06, 31° above your southern horizon. It will be lost to dawn twilight around 04:52, 30° above your southern horizon.
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