Free Republic
Browse · Search
General/Chat
Topics · Post Article

Skip to comments.

Astronomy Picture of the Day - M13: The Great Globular Cluster in Hercules
APOD.NASA.gov ^ | 4 Aug, 2022 | Image Credit & Copyright: Joan Josep Isach Cogollos

Posted on 08/04/2022 1:11:19 PM PDT by MtnClimber

Explanation: In 1716, English astronomer Edmond Halley noted, "This is but a little Patch, but it shows itself to the naked Eye, when the Sky is serene and the Moon absent." Of course, M13 is now less modestly recognized as the Great Globular Cluster in Hercules, one of the brightest globular star clusters in the northern sky. Sharp telescopic views like this one reveal the spectacular cluster's hundreds of thousands of stars. At a distance of 25,000 light-years, the cluster stars crowd into a region 150 light-years in diameter. Approaching the cluster core upwards of 100 stars could be contained in a cube just 3 light-years on a side. For comparison, the closest star to the Sun is over 4 light-years away. The remarkable range of brightness recorded in this image follows stars into the dense cluster core. Distant background galaxies in the medium-wide field of view include NGC 6207 at the upper left.


TOPICS: Astronomy; Astronomy Picture of the Day
KEYWORDS: nasa
To be added or removed from the Astronomy Picture of the Day ping list please send me a request via "Private Reply" (Mail).

For more detail go to the link and click on the image for a high definition image. You can then move the magnifying glass cursor then click to zoom in and click again to zoom out. When zoomed in you can scan by moving the side bars on the bottom and right side of the image.

1 posted on 08/04/2022 1:11:19 PM PDT by MtnClimber
[ Post Reply | Private Reply | View Replies]

To: MtnClimber

2 posted on 08/04/2022 1:11:37 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 1 | View Replies]

To: 21stCenturion; 21twelve; 4everontheRight; abb; AFB-XYZ; AFPhys; America_Right; AZ .44 MAG; ...
Pinging the APOD list.

🪐 🌟 🌌 🍔


3 posted on 08/04/2022 1:12:12 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 2 | View Replies]

To: MtnClimber

A galaxy without a Black Hole..........................yet................


4 posted on 08/04/2022 1:22:27 PM PDT by Red Badger (Homeless veterans camp in the streets while illegal aliens are put up in hotels.....................)
[ Post Reply | Private Reply | To 2 | View Replies]

To: MtnClimber

“oh my god — it’s full of stars”


5 posted on 08/04/2022 1:29:28 PM PDT by Fish Speaker (Quis custodiet ipsos custodes? Oh, and, "Let's Go Brandon!")
[ Post Reply | Private Reply | To 1 | View Replies]

To: MtnClimber

Distant background galaxies in the medium-wide field of view include NGC 6207 at the upper left.

Hey! I was looking for that just the other day! Glad you found it.


6 posted on 08/04/2022 1:40:22 PM PDT by Seruzawa ("The Political left is the Garden of Eden of incompetence" - Marx the Smarter (Groucho))
[ Post Reply | Private Reply | To 1 | View Replies]

To: Red Badger
i>A galaxy without a Black Hole..........................yet................

I don't know. We had a black hole in the White Hut.

7 posted on 08/04/2022 1:44:56 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 4 | View Replies]

To: MtnClimber

Great Balls of Fire!!!


8 posted on 08/04/2022 2:11:06 PM PDT by DannyTN
[ Post Reply | Private Reply | To 2 | View Replies]

To: Seruzawa

The only time I’ve ever seen it (ngc 6207), was in our club’s 10” f/13 refractor, with averted vision. That was years ago, when the skies were darker. Now we have a BMX track across the street, and in the summer, everything is lit up like daytime.
Progress…


9 posted on 08/04/2022 3:16:04 PM PDT by telescope115 (Proud member of the ANTIFAuci movement. )
[ Post Reply | Private Reply | To 6 | View Replies]

To: MtnClimber

I had a globular cluster removed last year. It was quite unpleasant.


10 posted on 08/04/2022 4:23:28 PM PDT by FlatulusMaximus
[ Post Reply | Private Reply | To 2 | View Replies]

To: Fish Speaker
“oh my god — it’s full of stars”
You beat me to it since GMTA.
11 posted on 08/04/2022 5:29:57 PM PDT by dainbramaged (Louis XVI of France and I share a common ancestor, but I still have my head.)
[ Post Reply | Private Reply | To 5 | View Replies]

To: MtnClimber

Nice view from a nearby planet but the radiation would be a killer.


12 posted on 08/04/2022 6:49:59 PM PDT by minnesota_bound (Need more money to buy everything now)
[ Post Reply | Private Reply | To 2 | View Replies]

Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.

Free Republic
Browse · Search
General/Chat
Topics · Post Article

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson