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 08:27, until soon before it sets at 20:07. 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 20:57 (PDT), 40° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:21.
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M7 (mag 3.3) is visible between 00:49 and 04:26. It will become accessible at around 00:49, when it rises to an altitude of 16° above your south-eastern horizon. It will reach its highest point in the sky at 02:38, 21° above your southern horizon. It will become inaccessible at around 04:26 when it sinks below 16° above your south-western horizon.
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M6 (mag 4.2) is visible between 00:29 and 04:19. It will become accessible at around 00:29, when it rises to an altitude of 18° above your south-eastern horizon. It will reach its highest point in the sky at 02:24, 23° above your southern horizon. It will become inaccessible at around 04:19 when it sinks below 18° above your south-western horizon.
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IC4665 (mag 4.2) is visible in the morning sky, becoming accessible around 21:44, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 02:30, 61° above your southern horizon. It will be lost to dawn twilight around 04:33, 49° above your south-western horizon.
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Caldwell 14 (mag 4.3) is visible in the dawn sky, becoming accessible around 03:44 (PDT), when it reaches an altitude of 18° above your north-eastern horizon. It will then reach an altitude of 24° before fading from view as dawn breaks at 04:33.
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NGC6633 (mag 4.6) is visible in the morning sky, becoming accessible around 22:26, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 03:11, 62° above your southern horizon. It will be lost to dawn twilight around 04:33, 56° above your south-western horizon.
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IC4756 (mag 4.6) is visible in the morning sky, becoming accessible around 22:40, when it reaches an altitude of 19° above your eastern horizon. It will then reach its highest point in the sky at 03:22, 61° above your southern horizon. It will be lost to dawn twilight around 04:33, 57° 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 00:38, when it reaches an altitude of 20° above your south-eastern horizon. It will then reach its highest point in the sky at 03:20, 32° above your southern horizon. It will be lost to dawn twilight around 04:33, 29° above your southern horizon.
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M4 (mag 5.4) is visible between 22:46 and 03:29. It will become accessible at around 22:46, when it rises to an altitude of 20° above your south-eastern horizon. It will reach its highest point in the sky at 01:08, 29° above your southern horizon. It will become inaccessible at around 03:29 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 21:01 (PDT), 37° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:03, 58° above your southern horizon. It will continue to be observable until around 04:24, 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 21:01 (PDT), 37° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:26, 87° above your northern horizon. It will be lost to dawn twilight at around 04:33, 51° above your western horizon.
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M12 (mag 6.1) is visible in the morning sky, becoming accessible around 21:25, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:31, 54° above your southern horizon. It will be lost to dawn twilight around 04:33, 34° above your south-western horizon.
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M3 (mag 6.3) is visible in the evening sky, becoming accessible around 21:01 (PDT), 71° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:23, 84° above your southern horizon. It will continue to be observable until around 03:48, 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 23:37 (PDT) and reaching an altitude of 58° above the south-eastern horizon before fading from view as dawn breaks at around 04:33.
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M55 (mag 6.3) is visible in the morning sky, becoming accessible around 02:59, when it reaches an altitude of 21° above your southern horizon. It will then reach its highest point in the sky at 04:23, 24° above your southern horizon. It will be lost to dawn twilight around 04:33, 24° above your southern horizon.
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M62 (mag 6.4) is visible between 00:10 and 03:20. It will become accessible at around 00:10, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 01:45, 25° above your southern horizon. It will become inaccessible at around 03:20 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 21:01 (PDT), 33° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:01, 80° above your northern horizon. It will be lost to dawn twilight at around 04:33, 59° above your north-western horizon.
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M2 (mag 6.6) is visible in the dawn sky, rising at 00:16 (PDT) and reaching an altitude of 47° above the south-eastern horizon before fading from view as dawn breaks at around 04:33.
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M10 (mag 6.6) is visible in the morning sky, becoming accessible around 21:41, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:41, 51° above your southern horizon. It will be lost to dawn twilight around 04:33, 34° 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 00:55 (PDT) and reaching an altitude of 33° above the north-eastern horizon before fading from view as dawn breaks at around 04:34.
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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 21:01 (PDT), 49° above your northern horizon. It will be lost to dawn twilight at around 04:33, 15° above your northern horizon.
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M83 (mag 7.2) is visible in the evening sky, becoming accessible around 21:01 (PDT), 23° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:17, 26° above your southern horizon. It will continue to be observable until around 23:56, 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 21:01 (PDT), 62° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:44, 69° above your northern horizon. It will be lost to dawn twilight at around 04:33, 28° above your north-western horizon.
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M94 (mag 8.2) is visible in the evening sky, becoming accessible around 21:01 (PDT), 80° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:31, 82° above your northern horizon. It will continue to be observable until around 03:29, when it sinks below 21° above your north-western horizon.
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M51 (mag 8.4) is visible in the evening sky, becoming accessible around 21:01 (PDT), 71° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:10, 76° above your northern horizon. It will continue to be observable until around 04:25, when it sinks below 21° above your north-western horizon.
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M104 (mag 8.6) is visible in the evening sky, becoming accessible around 21:01 (PDT), 44° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:21, 44° above your southern horizon. It will continue to be observable until around 00:53, when it sinks below 21° above your south-western horizon.
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NGC2403 (mag 8.9) will become visible at around 21:01 (PDT), 38° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 23:51 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 08:57, until soon before it sets at 21:30. 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 in the morning sky, becoming accessible around 00:18, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 02:47, 31° above your southern horizon. It will be lost to dawn twilight around 04:33, 26° above your south-western horizon.
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