Objects in your sky: Deep Sky
by Dominic Ford
Open clusters
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NGC1977 (mag 0.0) is visible between 20:32 and 04:26. It will become accessible at around 20:32, when it rises to an altitude of 21° above your eastern horizon. It will reach its highest point in the sky at 00:29, 51° above your southern horizon. It will become inaccessible at around 04:26 when it sinks below 21° above your south-western horizon.
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Collinder 50 (mag 1.0) is visible between 17:33 and 05:02. It will become accessible at around 17:33, when it rises to an altitude of 11° above your eastern horizon. It will reach its highest point in the sky at 23:17, 71° above your southern horizon. It will become inaccessible at around 05:02 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 17:23 (PST), 21° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:38, 80° above your southern horizon. It will continue to be observable until around 04:41, when it sinks below 12° above your western horizon.
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NGC2451 (mag 2.8) is visible between 01:19 and 03:59. It will become accessible at around 01:19, when it rises to an altitude of 15° above your southern horizon. It will reach its highest point in the sky at 02:39, 17° above your southern horizon. It will become inaccessible at around 03:59 when it sinks below 15° above your southern horizon.
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M44 (mag 3.1) is visible in the morning sky, becoming accessible around 22:01, when it reaches an altitude of 16° above your eastern horizon. It will then reach its highest point in the sky at 03:34, 75° above your southern horizon. It will be lost to dawn twilight around 05:40, 58° above your western horizon.
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M42 (mag 4.0) is visible between 20:13 and 04:45. It will become accessible at around 20:13, when it rises to an altitude of 17° above your eastern horizon. It will reach its highest point in the sky at 00:29, 50° above your southern horizon. It will become inaccessible at around 04:45 when it sinks below 17° above your western horizon.
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NGC2232 (mag 4.2) is visible in the morning sky, becoming accessible around 21:06, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 01:22, 51° above your southern horizon. It will be lost to dawn twilight around 05:36, 18° above your western horizon.
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Caldwell 14 (mag 4.3) is visible all night. It will become visible at around 17:45 (PST), 48° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:11, 66° above your northern horizon. It will continue to be observable until around 04:29, when it sinks below 18° above your north-western horizon.
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M47 (mag 4.4) is visible in the morning sky, becoming accessible around 22:51, when it reaches an altitude of 18° above your south-eastern horizon. It will then reach its highest point in the sky at 02:30, 41° above your southern horizon. It will be lost to dawn twilight around 05:36, 24° above your south-western horizon.
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M41 (mag 4.5) is visible between 22:30 and 04:50. It will become accessible at around 22:30, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 01:40, 35° above your southern horizon. It will become inaccessible at around 04:50 when it sinks below 18° above your south-western horizon.
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NGC6633 (mag 4.6) will become visible at around 17:45 (PST), 22° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 59 minutes after the Sun at 19:40.
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IC4756 (mag 4.6) will become visible at around 17:45 (PST), 24° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 7 minutes after the Sun at 19:48.
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Globular clusters
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M3 (mag 6.3) is visible in the dawn sky, rising at 01:06 (PST) and reaching an altitude of 51° above the eastern horizon before fading from view as dawn breaks at around 05:36.
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M15 (mag 6.3) will become visible at around 17:45 (PST), 60° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:58.
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M92 (mag 6.5) will become visible at around 17:45 (PST), 26° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 20:51.
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M2 (mag 6.6) will become visible at around 17:45 (PST), 50° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:25.
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Galaxies
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M31 (mag 3.4) is visible in the evening sky, becoming accessible around 17:45 (PST), 67° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:34, 82° above your northern horizon. It will continue to be observable until around 02:03, when it sinks below 16° above your north-western horizon.
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M33 (mag 5.8) is visible in the evening sky, becoming accessible around 17:45 (PST), 56° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:25, 86° above your southern horizon. It will continue to be observable until around 01:58, when it sinks below 21° above your north-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 04:49, 54° above your northern horizon. At dusk, it will become visible at around 17:45 (PST), 13° above your northern horizon. It will be lost to dawn twilight at around 05:36, 54° above your northern horizon.
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NGC253 (mag 7.1) is visible in the evening sky, becoming accessible around 17:45 (PST), 24° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:38, 30° above your southern horizon. It will continue to be observable until around 21:58, when it sinks below 21° above your south-western horizon.
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M101 (mag 7.9) is visible in the dawn sky, rising at 21:59 (PST) and reaching an altitude of 49° above the north-eastern horizon before fading from view as dawn breaks at around 05:36.
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M94 (mag 8.2) is visible in the dawn sky, rising at 23:15 (PST) and reaching an altitude of 63° above the north-eastern horizon before fading from view as dawn breaks at around 05:36.
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M51 (mag 8.4) is visible in the dawn sky, rising at 23:09 (PST) and reaching an altitude of 56° above the north-eastern horizon before fading from view as dawn breaks at around 05:36.
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M104 (mag 8.6) is visible in the dawn sky, rising at 02:02 (PST) and reaching an altitude of 36° above the south-eastern horizon before fading from view as dawn breaks at around 05:36.
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NGC2403 (mag 8.9) is visible in the morning sky, becoming accessible around 18:57, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 02:31, 58° above your northern horizon. It will be lost to dawn twilight at around 05:36, 48° above your north-western horizon.
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Nebulae
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Caldwell 49 (mag 0.0) is visible in the morning sky, becoming accessible around 20:59, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:26, 60° above your southern horizon. It will be lost to dawn twilight around 05:36, 25° above your western horizon.
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