Objects in your sky: Deep Sky
by Dominic Ford
Open clusters
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NGC1977 (mag 0.0) is visible between 20:52 and 04:46. It will become accessible at around 20:52, when it rises to an altitude of 21° above your eastern horizon. It will reach its highest point in the sky at 00:49, 51° above your southern horizon. It will become inaccessible at around 04:46 when it sinks below 21° above your south-western horizon.
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Collinder 50 (mag 1.0) is visible between 17:52 and 05:22. It will become accessible at around 17:52, when it rises to an altitude of 11° above your eastern horizon. It will reach its highest point in the sky at 23:37, 71° above your southern horizon. It will become inaccessible at around 05:22 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), 17° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:58, 80° above your southern horizon. It will continue to be observable until around 05:01, when it sinks below 12° above your western horizon.
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NGC2451 (mag 2.8) is visible between 01:38 and 04:19. It will become accessible at around 01:38, when it rises to an altitude of 15° above your southern horizon. It will reach its highest point in the sky at 02:59, 17° above your southern horizon. It will become inaccessible at around 04:19 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 22:20, when it reaches an altitude of 16° above your eastern horizon. It will then reach its highest point in the sky at 03:54, 75° above your southern horizon. It will be lost to dawn twilight around 05:37, 62° above your south-western horizon.
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M42 (mag 4.0) is visible between 20:33 and 05:05. It will become accessible at around 20:33, when it rises to an altitude of 17° above your eastern horizon. It will reach its highest point in the sky at 00:49, 50° above your southern horizon. It will become inaccessible at around 05:05 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 21:26, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 01:42, 51° above your southern horizon. It will be lost to dawn twilight around 05:33, 23° above your south-western horizon.
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Caldwell 14 (mag 4.3) is visible all night. It will become visible at around 17:45 (PST), 45° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:30, 66° above your northern horizon. It will continue to be observable until around 04:49, 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 23:11, when it reaches an altitude of 18° above your south-eastern horizon. It will then reach its highest point in the sky at 02:50, 41° above your southern horizon. It will be lost to dawn twilight around 05:33, 27° above your south-western horizon.
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M41 (mag 4.5) is visible between 22:50 and 05:09. It will become accessible at around 22:50, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 02:00, 35° above your southern horizon. It will become inaccessible at around 05:09 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), 26° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 17 minutes after the Sun at 19:59.
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IC4756 (mag 4.6) will become visible at around 17:45 (PST), 28° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 26 minutes after the Sun at 20:08.
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Globular clusters
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M3 (mag 6.3) is visible in the dawn sky, rising at 01:26 (PST) and reaching an altitude of 46° above the eastern horizon before fading from view as dawn breaks at around 05:33.
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M15 (mag 6.3) will become visible at around 17:45 (PST), 63° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:17.
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M92 (mag 6.5) will become visible at around 17:45 (PST), 29° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 21:11.
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M2 (mag 6.6) will become visible at around 17:45 (PST), 52° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:45.
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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), 63° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:53, 82° above your northern horizon. It will continue to be observable until around 02:23, 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), 52° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:44, 86° above your southern horizon. It will continue to be observable until around 02:18, 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 05:09, 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 05:33, 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), 22° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:58, 30° above your southern horizon. It will continue to be observable until around 22:18, 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 22:18 (PST) and reaching an altitude of 46° above the north-eastern horizon before fading from view as dawn breaks at around 05:33.
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M94 (mag 8.2) is visible in the dawn sky, rising at 23:34 (PST) and reaching an altitude of 59° above the north-eastern horizon before fading from view as dawn breaks at around 05:33.
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M51 (mag 8.4) is visible in the dawn sky, rising at 23:29 (PST) and reaching an altitude of 52° above the north-eastern horizon before fading from view as dawn breaks at around 05:33.
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M104 (mag 8.6) is visible in the dawn sky, rising at 02:22 (PST) and reaching an altitude of 33° above the south-eastern horizon before fading from view as dawn breaks at around 05:33.
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NGC2403 (mag 8.9) is visible in the morning sky, becoming accessible around 19:17, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 02:50, 58° above your northern horizon. It will be lost to dawn twilight at around 05:33, 50° 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 21:19, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:46, 60° above your southern horizon. It will be lost to dawn twilight around 05:33, 30° above your western horizon.
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