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 09:22, until soon before it sets at 21:02. 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 20:44 (PDT), 54° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:16.
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M7 (mag 3.3) is visible in the morning sky, becoming accessible around 01:44, when it reaches an altitude of 16° above your south-eastern horizon. It will then reach its highest point in the sky at 03:33, 21° above your southern horizon. It will be lost to dawn twilight around 04:48, 18° above your southern horizon.
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M6 (mag 4.2) is visible in the morning sky, becoming accessible around 01:24, when it reaches an altitude of 18° above your south-eastern horizon. It will then reach its highest point in the sky at 03:19, 23° above your southern horizon. It will be lost to dawn twilight around 04:46, 20° above your southern horizon.
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IC4665 (mag 4.2) is visible in the morning sky, becoming accessible around 22:39, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 03:25, 61° above your southern horizon. It will be lost to dawn twilight around 04:46, 56° above your south-western horizon.
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Caldwell 14 (mag 4.3) is visible in the dawn sky, becoming accessible around 04:39 (PDT), when it reaches an altitude of 18° above your north-eastern horizon. It will then reach an altitude of 19° before fading from view as dawn breaks at 04:46.
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M47 (mag 4.4) will become visible at around 20:48 (PDT), 19° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 54 minutes after the Sun at 22:36.
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NGC6633 (mag 4.6) is visible in the morning sky, becoming accessible around 23:21, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 04:06, 62° above your southern horizon. It will be lost to dawn twilight around 04:46, 60° above your southern horizon.
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IC4756 (mag 4.6) is visible in the morning sky, becoming accessible around 23:36, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 04:17, 61° above your southern horizon. It will be lost to dawn twilight around 04:46, 60° 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 01:33, when it reaches an altitude of 20° above your south-eastern horizon. It will then reach its highest point in the sky at 04:15, 32° above your southern horizon. It will be lost to dawn twilight around 04:46, 31° above your southern horizon.
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M4 (mag 5.4) is visible between 23:41 and 04:24. It will become accessible at around 23:41, when it rises to an altitude of 20° above your south-eastern horizon. It will reach its highest point in the sky at 02:03, 29° above your southern horizon. It will become inaccessible at around 04:24 when it sinks below 20° above your south-western horizon.
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M5 (mag 5.7) is visible all night. It will become visible at around 20:48 (PDT), 24° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:58, 58° above your southern horizon. It will be lost to dawn twilight at around 04:46, 28° above your western horizon.
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M13 (mag 5.8) is visible all night. It will become visible at around 20:48 (PDT), 24° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:21, 87° above your northern horizon. It will be lost to dawn twilight at around 04:46, 60° above your western horizon.
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M12 (mag 6.1) is visible in the morning sky, becoming accessible around 22:20, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:26, 54° above your southern horizon. It will be lost to dawn twilight around 04:46, 41° above your south-western horizon.
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M3 (mag 6.3) is visible all night. It will become visible at around 20:48 (PDT), 57° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:18, 84° above your southern horizon. It will be lost to dawn twilight at around 04:46, 22° above your western horizon.
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M15 (mag 6.3) is visible in the dawn sky, rising at 00:32 (PDT) and reaching an altitude of 50° above the south-eastern horizon before fading from view as dawn breaks at around 04:46.
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M55 (mag 6.3) is visible in the dawn sky, rising at 00:51 (PDT) and reaching an altitude of 24° above the southern horizon before fading from view as dawn breaks at around 04:46.
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M62 (mag 6.4) is visible between 01:05 and 04:15. It will become accessible at around 01:05, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 02:40, 25° above your southern horizon. It will become inaccessible at around 04:15 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 20:53, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 02:56, 80° above your northern horizon. It will be lost to dawn twilight around 04:46, 66° above your north-western horizon.
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M2 (mag 6.6) is visible in the dawn sky, rising at 01:11 (PDT) and reaching an altitude of 41° above the south-eastern horizon before fading from view as dawn breaks at around 04:46.
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M10 (mag 6.6) is visible in the morning sky, becoming accessible around 22:36, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:36, 51° above your southern horizon. It will be lost to dawn twilight around 04:46, 41° 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 01:50 (PDT) and reaching an altitude of 25° above the north-eastern horizon before fading from view as dawn breaks at 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 dusk, becoming accessible at around 20:48 (PDT), 53° above your northern horizon. It will be lost to dawn twilight at around 04:46, 17° above your northern horizon.
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M83 (mag 7.2) is visible between 21:34 and 00:51. It will become accessible at around 21:34, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 23:12, 26° above your southern horizon. It will become inaccessible at around 00:51 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 20:48 (PDT), 54° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:39, 69° above your northern horizon. It will be lost to dawn twilight at around 04:46, 34° above your north-western horizon.
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M94 (mag 8.2) is visible in the evening sky, becoming accessible around 20:48 (PDT), 69° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:26, 82° above your northern horizon. It will continue to be observable until around 04:24, 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 20:48 (PDT), 61° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:05, 76° above your northern horizon. It will be lost to dawn twilight at around 04:46, 27° above your north-western horizon.
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M104 (mag 8.6) is visible in the evening sky, becoming accessible around 20:48 (PDT), 39° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:16, 44° above your southern horizon. It will continue to be observable until around 01:48, when it sinks below 21° above your south-western horizon.
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NGC2403 (mag 8.9) will become visible at around 20:48 (PDT), 45° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 00:46 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 09:52, until soon before it sets at 22:25.
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M8 (mag 5.8) is visible in the morning sky, becoming accessible around 01:13, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 03:42, 31° above your southern horizon. It will be lost to dawn twilight around 04:46, 29° above your southern horizon.
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