M4 (RonAdams) - AstroBin

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: M 4 · NGC 6121 · NGC 6144

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M4

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M4

M4 is not what I intended on imaging tonight. I really wanted to image IC 4628 the Prawn Nebula again. I
began imaging IC 4628 as soon as it got dark enough to image. When I image this object I only have a small
window of time before it gets into some tall pine trees. I tried using my ZWO ASI1600MM Pro camera. I kept
trying different exposures and gain settings. However I could not find a setting where I could see nebulosity.
There is a lot I don't understand about that camera. Anyway I fiddle farted around with the camera so long that
I let IC 4628 drop below the pine trees. And to make matters worse a very bright full Moon rose and limited
what I could pick for another target. Since I was already in Scorpius I decided to image M4. It's one of my
favorite clusters and it's been a while since I imaged it. So my clear night was not wasted. Sometimes I get
very frustrated with myself and my ZWO ASI1600MM Pro camera. With all of that said please enjoy my most recent
image of M4.

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	Basic success
Started	...
Astrometry.net job	4795834
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M4

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Image Index:

Contribution Index (beta):

M4

M4

Equipment

Acquisition details

Description

Comments

Sky plot

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