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 16:50, until soon before it sets at 04:29.
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Collinder 50 (mag 1.0) is visible in the evening sky, becoming accessible around 17:31 (PST), 33° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:31, 71° above your southern horizon. It will continue to be observable until around 03:16, 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 17:34 (PST), 46° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:52, 80° above your southern horizon. It will continue to be observable until around 02:55, when it sinks below 12° above your western horizon.
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NGC2451 (mag 2.8) is visible between 23:32 and 02:13. It will become accessible at around 23:32, when it rises to an altitude of 15° above your southern horizon. It will reach its highest point in the sky at 00:53, 17° above your southern horizon. It will become inaccessible at around 02:13 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 20:14, when it reaches an altitude of 16° above your eastern horizon. It will then reach its highest point in the sky at 01:48, 75° above your southern horizon. It will be lost to dawn twilight around 05:55, 33° above your western horizon.
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M42 (mag 4.0) is visible between 18:23 and 02:55. It will become accessible at around 18:23, when it rises to an altitude of 17° above your eastern horizon. It will reach its highest point in the sky at 22:39, 50° above your southern horizon. It will become inaccessible at around 02:55 when it sinks below 17° above your western horizon.
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NGC2232 (mag 4.2) is visible between 19:16 and 03:48. It will become accessible at around 19:16, when it rises to an altitude of 18° above your eastern horizon. It will reach its highest point in the sky at 23:32, 51° above your southern horizon. It will become inaccessible at around 03:48 when it sinks below 18° above your western horizon.
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Caldwell 14 (mag 4.3) is visible all night. It will become visible at around 17:57 (PST), 62° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:25, 66° above your northern horizon. It will continue to be observable until around 02:43, when it sinks below 18° above your north-western horizon.
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M47 (mag 4.4) is visible between 21:05 and 04:23. It will become accessible at around 21:05, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 00:44, 41° above your southern horizon. It will become inaccessible at around 04:23 when it sinks below 18° above your south-western horizon.
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M41 (mag 4.5) is visible between 20:40 and 03:00. It will become accessible at around 20:40, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 23:50, 35° above your southern horizon. It will become inaccessible at around 03:00 when it sinks below 18° above your south-western horizon.
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Globular clusters
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M5 (mag 5.7) is visible in the dawn sky, rising at 02:17 (PST) and reaching an altitude of 41° above the south-eastern horizon before fading from view as dawn breaks at around 05:51.
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M13 (mag 5.8) is visible in the dawn sky, rising at 01:44 (PST) and reaching an altitude of 42° above the eastern horizon before fading from view as dawn breaks at around 05:51.
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M12 (mag 6.1) is visible in the dawn sky, rising at 03:56 (PST) – 2 hours and 59 minutes before the Sun – and reaching an altitude of 22° above the eastern horizon before fading from view as dawn breaks at around 05:51.
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M3 (mag 6.3) is visible in the dawn sky, rising at 23:20 (PST) and reaching an altitude of 76° above the eastern horizon before fading from view as dawn breaks at around 05:51.
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M15 (mag 6.3) will become visible at around 17:57 (PST), 39° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 21:12.
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M92 (mag 6.5) is visible in the dawn sky, rising at 01:41 (PST) and reaching an altitude of 37° above the north-eastern horizon before fading from view as dawn breaks at around 05:51.
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M2 (mag 6.6) will become visible at around 17:57 (PST), 31° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 46 minutes after the Sun at 20:39.
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Galaxies
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M31 (mag 3.4) will become visible at around 17:56 (PST), 82° above your northern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:18.
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M33 (mag 5.8) is visible in the evening sky, becoming accessible around 17:57 (PST), 80° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:39, 86° above your southern horizon. It will continue to be observable until around 00:12, 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 03:03, 54° above your northern horizon. At dusk, it will become visible at around 17:57 (PST), 18° above your northern horizon. It will be lost to dawn twilight at around 05:51, 47° above your northern horizon.
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NGC253 (mag 7.1) will become visible at around 17:57 (PST), 30° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:41.
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M83 (mag 7.2) is visible in the dawn sky, rising at 02:12 (PST) and reaching an altitude of 24° above the southern horizon before fading from view as dawn breaks at around 05:51.
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M101 (mag 7.9) is visible in the dawn sky, rising at 20:12 (PST) and reaching an altitude of 65° above the north-eastern horizon before fading from view as dawn breaks at around 05:51.
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M94 (mag 8.2) is visible in the dawn sky, rising at 21:28 (PST) and reaching an altitude of 82° above the northern horizon before fading from view as dawn breaks at around 05:51.
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M51 (mag 8.4) is visible in the dawn sky, rising at 21:23 (PST) and reaching an altitude of 74° above the north-eastern horizon before fading from view as dawn breaks at around 05:51.
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M104 (mag 8.6) is visible in the morning sky, becoming accessible around 02:14, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 05:47, 44° above your southern horizon. It will be lost to dawn twilight around 05:51, 44° above your southern horizon.
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NGC2403 (mag 8.9) is visible all night. It will become visible at around 17:57 (PST), 26° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 05:51, 36° 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 17:20, until soon before it sets at 05:53.
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