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A wide-angle shot of the Great Hercules Cluster from the 'burbs. If you know where to look you can also find the spiral galaxy NGC 6207 (mag 11.6) - easy, NGC 6196 (mag 12.9, NGC 6197 (mag 14.6), IC 4614 (mag 14.3), PGC 214518 (mag 16.4), NGC 6194 (mag 13.8), and PGC 2075499 (juuust barely visible at mag 17.4).
This is Messier object 13, also referred to as the Great Globular Cluster in Hercules. M13 is approximately 25,100 light-years away from Earth. Galaxy NGC 6207 is on the upper right.
Taken from my backyard in Orange, CA
8-26-09 at 10:30pm
Celestron Omni XLT 150
Canon Rebel XT
25" exposures @ ISO 1600 x 5
Stacked and processed in Photoshop CS4
M13 is literally a swarm of stars gravitationally bound to each other estimated in the numbers well over 100,000. About 3.8 total hours of exposure LRGB composite.
M13, the Great Globular Cluster in Hercules. A 600 second exposure taken with an SBIG 8300M camera mounted on a Meade 10 inch LX200GPS. Location Cardana, Besozzo, northern Italy. Brian Worth
M13 Hercules Cluster
July 25, 2015, 1:00 UT
8 inch Celestron C8 telescope at f/5
Meade DSI Pro CCD Camera
Monochrome image
Stack of 40 subframes, each 8 seconds in exposure length.
Skyglow/Moon glow filter and Atik 0.5 focal reducer used
Acworth, GA
Deep Sky Stacker and Gimp used for processing.
Parametros:
- 72 lights 180s iso 200
- 40 darks
- 50 bias
Software:
- Secuencia de captura canon eos utility
- Auto guiado PHD2
- Apilado en deep sky stacker
- Procesado en Photoshop 2020 y Photoshop express
Equipo:
- Telescopio skywatcher evostar 80ed f/7.5
- Montura sky-watcher eqm-35 pro
- Canon eos rebel sl2 (200d)
- Telescopio guía celestron travel scope 80
- Camara guía Meade instruments LPI-G monocromatica
17/MARZO/2021
Capultitlán, Toluca, Estado de México
Escala bortle: 5
While (unsuccessfully) trying to image the Cave Nebula through the clouds I changed my objective at least until the weather was clear again… I imaged some other objects just for fun but M13 resulted in a very good exposure, so I decided to process it and upload it.
Some info ℹ👇
Messier 13 or M13, also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of several hundred thousand stars in the constellation of Hercules.
M13 was discovered by Edmond Halley in 1714, and catalogued by Charles Messier on June 1, 1764 into his list of objects not to mistake for comets; Messier's list, including Messier 13, eventually became known as the Messier Catalog.
M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is a red giant, the variable star V11, with an apparent visual magnitude of 11.95. M13 is about 22,200 light-years away from Earth.
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• Image details:
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- RGB: 11x60"
- ISO: 3200
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30 darks, 30 flats and 100 bias
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Total exposure: 11’
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• Equipment: ⠀⠀⠀⠀⠀⠀⠀
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- Skywatcher ED80 on EQ6R
- Canon EOS 6D (Baader BCF 2 Filter)
- ZWO ASI120MC-S ⠀⠀⠀⠀⠀⠀⠀⠀⠀
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• Softwares: ⠀⠀⠀⠀⠀⠀⠀
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- Sharp Cap Pro (polar alignment)
- APT (capturing)
- PHD2 (guiding)
- PixInsight (stacking & processing)
M13 AKA The Great globular cluster in Hercules'is one of the most prominent and best known globulars of the Northern celestial hemisphere.It is 25,100 light years from Earth and contains over one million stars.
This is a high magnification image taken using a 16 inch Meade telescope that is operated by slooh.com. You go on line and use their telescope and their imaging devices. You decide the magnification of the shot that you want and save the image to your computer. Sometimes it is easier to use their equipment than my own, since on cloudy nights or lazy nights I don't have to drag my scope outside. They have telescope arrays set up in three locations. The Canary Islands, Chile, and soon to come, one in Australia. The cost for their service is aprox 25 dollars U.S. for 500 minutes. You just go online and control the scope when they have it pointed at something that you find of interest.
48x120" @ ISO 1200
1000mm @ f/5.2
Telescope: Skywatcher 190MN
Camera: Canon EOS R
Mount: HEQ5 Pro
Guide Scope: Williams Optics 50mm
Guide Camera: ASI120mm
Filter: Optolong L-Pro
4 x 2min lights, 4 darks, 10 bias and 10 flat frames. Canon 7d, 80mm refractor with field flattener and HEQ5Pro mount without guiding. Used Astrotortilla for polar alignment and star alignment. Pixinsight post processing.