Globular Cluster Archives - Astrodoc: Astrophotography by Ron Brecher

Messier 92

Ron Brecher — Mon, 05 Aug 2024 14:47:45 +0000

Messier M92 Click image for full size version August 5, 2024 Globular cluster Messier 92 (M92) lies in Hercules, not far from M13, which usually gets more attention from both visual observers and imagers. M92 is one of my favourite telescope targets, especially in my 20" reflector. It lies about 26,700 light years away from [...]

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NGC 5466

Ron Brecher — Tue, 28 May 2024 08:15:22 +0000

NGC 5466 Click image for full size version May 28, 2024 NGC 5466 is an ancient globular cluster. Its age is currently estimated to be 12.88 billion years. It lies about 52,000 light years from us in the constellation Boötes, and about the same distance from the centre of the Milky Way. Unlike some of [...]

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Messier 3

Ron Brecher — Thu, 25 Apr 2024 07:58:14 +0000

Messier 3 Click image for full size version April 25, 2024 Messier 3 (M3) is a bright globular cluster in the southernmost part of the constellation Canes Venatici (the hunting dogs). I have imaged this object several times, including May 2017 and May 2019. However, the 14" telescope I'm using now gives it a whole new [...]

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M13, The Hercules Cluster

Ron Brecher — Mon, 07 Jun 2021 13:08:35 +0000

M13, The Hercules Cluster Click image for full size version June 7, 2021 There are about 150 globular clusters orbiting the main part of the Milky Way, and they are common around other galaxies too. These objects are star clusters of a few hundred thousand to a few million stars and they are very old [...]

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Globular Cluster M92

Ron Brecher — Mon, 17 May 2021 18:06:22 +0000

Globular Cluster M92 Click image for full size version May 17, 2021 Globular cluster M92 lies in Hercules, not far from M13, which usually gets more attention from both visual observers and imagers. Late spring is, after all, globular season! M92 is one of my favourite telescope targets, especially in my 20" reflector. M92 lies [...]

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M22, Globular Cluster

Ron Brecher — Sun, 20 Dec 2020 15:20:55 +0000

M22, Globular Cluster Click image for full size version December 20, 2020 M22 might be the most famous northern globular cluster, if only it rose higher for people at mid-northern latitudes. M22 is beautifully set in the Milky Way in Sagittarius. It's in the same league as M13 in terms of splashiness, even though it [...]

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Messier 15

Ron Brecher — Thu, 27 Aug 2020 13:31:16 +0000

Messier 15 Click image for full size version August 26, 2020 M15 is a globular cluster in Pegasus. It was catalogued by French comet hunter Charles Messier, but was discovered by Jean-Dominique Maraldi in 1746. This cluster contains more than a hundred thousand stars, and is about 12 billion years old. It is a paltry [...]

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M56 Globular Cluster (2020)

Ron Brecher — Sun, 10 May 2020 17:33:01 +0000

M56 Globular Cluster (2020) Click image for full size version May 10, 2020 Globular cluster M56, in Lyra, the Harp, lies about 33,000 light years away and its stars have the mass of about 230,000 times that of the Sun. It sometimes goes unnoticed because it shares the general area of the sky with a [...]

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NGC 5053 (2019)

Ron Brecher — Sat, 09 Feb 2019 16:40:43 +0000

NGC 5053 (2019) Click image for full size version February 9, 2019 This image captures globular cluster NGC 5053. It tends to be ignored by imagers and observers alike, including me until about 2015, because of its surroundings: NGC 5053 lies near a much brighter, richer cluster, M53, and there are some interesting galaxies in the area too. NGC 5053 [...]

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Globular Cluster M71

Ron Brecher — Fri, 29 Jun 2018 15:01:14 +0000

M71 Globular Cluster Click image for full size version June 29, 2018 The object at the centre of this image is M71, a globular cluster located about 12,000 light years away. It is about 27 light years across, and relatively young at around 9 or 10 billion years old. It has the mass of around 17,000 [...]

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