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DMS Latitude: 41° 32' 47.8176'' N, DMS Longitude: 72° 47' 21.2280'' W
Latitude: 41.546616, Longitude: -72.789230

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Today's Date: 03/19/2024 03:17:21
Universal Time: 03/19/2024 07:17:21



M13

Discovered by Edmond Halley in 1714.

M13, also called the 'Great globular cluster in Hercules', is one of the most prominent and best known globulars of the Northern celestial hemisphere. It was discovered by Edmond Halley in 1714, who noted that "it shows itself to the naked eye when the sky is serene and the Moon absent."

At its distance of 25,100 light years, its angular diameter of 20' corresponds to a linear 145 light years - visually, it is perhaps 13' large. It contains several 100,000 stars.

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Taken on 8/1/2008

Orion ED80
Hap Griffin modified Rebel XT 350D
30 - 90 second exposures
ISO 800
Stacked with DeepSkyStacker
Processed with PhotoShop CS


Copyright © 2008 – Antonio Pascarella
Taken on 7/25/2008

Orion ED80
Hap Griffin modified Rebel XT 350D
20 - 60 second exposures
ISO 800
Stacked with DeepSkyStacker
Processed with PhotoShop CS


Copyright © 2008 – Antonio Pascarella
Taken on 7/6/07 with an Unmodified Canon Rebel XT
20 - 30 seconds exposures
ISO 800
Stacked with DeepSkyStacker
Processed with Photoshop CS
No darks/flats/bias images were applied

Copyright © 2007 – Antonio Pascarella

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