M13 Hercules Cluster (Aaron Freimark)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: Hercules Globular Cluster · IC 4617 · M 13 · NGC 6205 · NGC 6207

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M13 Hercules Cluster

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M13 Hercules Cluster

This is M13, the Great Globular Cluster in Hercules. Not quite a galaxy, it's basically a "clump" of over 100,000 gravitationally bound stars. It's also pretty close — around 25,000 light years from us.

In 1974, the Arecibo radio telescope beamed an encoded message at M13, trying to say hello to potential extraterrestrial life. With 100,000 stars, SOMEONE's got to be living in there, right?

Hopefully we'll hear back in another 50,000 years. Let's hope we're still around.

1. WeightedBatchProcessing (Calibrate only),

2. Crop one image as master

3. Image Registration all images to master

4. Subframe Selector for each filter

5. Local Normalization

6. Image Integration

7. Drizzle Integration

8. Dynamic Background Extraction on each filter

9. EZ Denoise

10. Statistics to see that B has highest median

11. R, G: LinearFit to R

12. ChannelCombination RGB

13. Image Solver script

14. Photometric Color Calibration

15. EZ Soft Stretch

Mid-Hudson Astronomical Association (MHAA)
Northeast Imagers
INDI Users

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	4493047
PixInsight job	OTBRDNFFQG3OAKI85C6W54GR7KYYVTIP
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h41m55s.97
RA (top/left)	16h38m44s.30
RA (top/right)	16h39m46s.82
RA (bottom/right)	16h45m04s.88
RA (bottom/left)	16h44m07s.79

Dec (center)	+36°27′49″.3
Dec (top/left)	+37°01′54″.1
Dec (top/right)	+35°43′35″.10
Dec (bottom/right)	+35°53′21″.1
Dec (bottom/left)	+37°11′54″.8

Image Index:

Contribution Index (beta):

M13 Hercules Cluster

M13 Hercules Cluster

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Image Index:

Contribution Index (beta):

M13 Hercules Cluster

M13 Hercules Cluster

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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IOTD/TP stats (last [x] days)

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