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 07:32, until soon before it sets at 19:12. Always take extreme caution when trying to make daytime observations of the Moon while the Sun is above the horizon.
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M44 (mag 3.1) will become visible at around 21:07 (PDT), 26° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 25 minutes after the Sun at 23:26.
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M7 (mag 3.3) is visible between 23:54 and 03:31. It will become accessible at around 23:54, when it rises to an altitude of 16° above your south-eastern horizon. It will reach its highest point in the sky at 01:42, 21° above your southern horizon. It will become inaccessible at around 03:31 when it sinks below 16° above your south-western horizon.
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M6 (mag 4.2) is visible between 23:34 and 03:24. It will become accessible at around 23:34, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 01:29, 23° above your southern horizon. It will become inaccessible at around 03:24 when it sinks below 18° above your south-western horizon.
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IC4665 (mag 4.2) is visible all night. It will become visible at around 21:12 (PDT), 23° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:35, 61° above your southern horizon. It will be lost to dawn twilight at around 04:26, 41° above your south-western horizon.
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Caldwell 14 (mag 4.3) is visible in the dawn sky, becoming accessible around 02:49 (PDT), when it reaches an altitude of 18° above your north-eastern horizon. It will then reach an altitude of 30° before fading from view as dawn breaks at 04:26.
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NGC6633 (mag 4.6) is visible in the morning sky, becoming accessible around 21:31, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 02:16, 62° above your southern horizon. It will be lost to dawn twilight around 04:26, 49° above your south-western horizon.
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IC4756 (mag 4.6) is visible in the morning sky, becoming accessible around 21:45, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 02:27, 61° above your southern horizon. It will be lost to dawn twilight around 04:26, 50° above your south-western horizon.
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Globular clusters
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M22 (mag 5.2) is visible in the morning sky, becoming accessible around 23:43, when it reaches an altitude of 20° above your south-eastern horizon. It will then reach its highest point in the sky at 02:25, 32° above your southern horizon. It will be lost to dawn twilight around 04:26, 25° above your south-western horizon.
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M4 (mag 5.4) is visible between 21:51 and 02:34. It will become accessible at around 21:51, when it rises to an altitude of 20° above your south-eastern horizon. It will reach its highest point in the sky at 00:12, 29° above your southern horizon. It will become inaccessible at around 02:34 when it sinks below 20° above your south-western horizon.
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M5 (mag 5.7) is visible in the evening sky, becoming accessible around 21:12 (PDT), 48° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:04, 58° above your southern horizon. It will continue to be observable until around 03:25, when it sinks below 21° above your western horizon.
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M13 (mag 5.8) is visible all night. It will become visible at around 21:12 (PDT), 50° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:31, 87° above your northern horizon. It will be lost to dawn twilight at around 04:26, 42° above your western horizon.
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M12 (mag 6.1) is visible all night. It will become visible at around 21:12 (PDT), 30° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:36, 54° above your southern horizon. It will be lost to dawn twilight at around 04:26, 25° above your western horizon.
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M3 (mag 6.3) is visible in the evening sky, becoming accessible around 21:12 (PDT), 83° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:28, 84° above your southern horizon. It will continue to be observable until around 02:53, when it sinks below 21° above your western horizon.
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M15 (mag 6.3) is visible in the dawn sky, rising at 22:42 (PDT) and reaching an altitude of 65° above the south-eastern horizon before fading from view as dawn breaks at around 04:26.
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M55 (mag 6.3) is visible in the morning sky, becoming accessible around 02:04, when it reaches an altitude of 21° above your southern horizon. It will then reach its highest point in the sky at 03:28, 24° above your southern horizon. It will be lost to dawn twilight around 04:26, 23° above your southern horizon.
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M62 (mag 6.4) is visible between 23:15 and 02:25. It will become accessible at around 23:15, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 00:50, 25° above your southern horizon. It will become inaccessible at around 02:25 when it sinks below 21° above your southern horizon.
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M92 (mag 6.5) is visible all night. It will become visible at around 21:12 (PDT), 44° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:06, 80° above your northern horizon. It will be lost to dawn twilight at around 04:26, 50° above your north-western horizon.
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M2 (mag 6.6) is visible in the dawn sky, rising at 23:21 (PDT) and reaching an altitude of 52° above the south-eastern horizon before fading from view as dawn breaks at around 04:26.
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M10 (mag 6.6) is visible all night. It will become visible at around 21:12 (PDT), 27° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:46, 51° above your southern horizon. It will be lost to dawn twilight at around 04:26, 25° 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 00:00 (PDT) and reaching an altitude of 42° above the north-eastern horizon before fading from view as dawn breaks at around 04:27.
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M33 (mag 5.8) is visible in the dawn sky, rising at 01:43 (PDT) – 3 hours and 54 minutes before the Sun – and reaching an altitude of 28° above the eastern horizon before fading from view as dawn breaks at around 04:26.
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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 21:12 (PDT), 44° above your north-western horizon. It will be lost to dawn twilight at around 04:26, 14° above your northern horizon.
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M83 (mag 7.2) is visible in the evening sky, becoming accessible around 21:12 (PDT), 26° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:22, 26° above your southern horizon. It will continue to be observable until around 23:01, 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 21:12 (PDT), 68° above your northern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:49, 69° above your northern horizon. It will be lost to dawn twilight at around 04:26, 22° above your north-western horizon.
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M94 (mag 8.2) will become visible at around 21:12 (PDT), 80° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 05:06.
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M51 (mag 8.4) is visible in the evening sky, becoming accessible around 21:12 (PDT), 76° above your northern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:15, 76° above your northern horizon. It will continue to be observable until around 03:30, when it sinks below 21° above your north-western horizon.
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M104 (mag 8.6) will become visible at around 21:12 (PDT), 43° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:56.
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NGC2403 (mag 8.9) will become visible at around 21:12 (PDT), 31° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 22:56 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 08:02, until soon before it sets at 20:35. Always take extreme caution when trying to make daytime observations of the Moon while the Sun is above the horizon.
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M8 (mag 5.8) is visible between 23:23 and 04:22. It will become accessible at around 23:23, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 01:52, 31° above your southern horizon. It will become inaccessible at around 04:22 when it sinks below 21° above your south-western horizon.
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