Jones Emberson 1 (Wanda Conde)

Celestial hemisphere: Northern · Constellation: Lynx (Lyn) · Contains: PK164+31.1

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Jones Emberson 1

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Jones Emberson 1

This image was a challenge since the beginning for multiple reasons: (1) this object has a low surface brightness which made it tough to image from my Bortle 7, highly obstructed backyard. (2) I had problems with the autoguider focus point. That required me to tear down my imaging train several times in order to "redistribute" the spacers. Sometimes I could not achieve the right rotation manually therefore I had to crop the result significantly.

On top of that, the OIII signal practically canceled the Ha signal. This frustrated me a lot until I understood the reason why this happened. It turns out that for the OIII frames I used a gain of 300 while half of the Ha frames were taken with a gain of 200. The positive thing is that this "experiment" allowed me to confirm that probably I am better off using a high gain when I am imaging narrowband objects with low surface brightness. I also learned that I cannot assume that the Ha's signal is always so strong.

Here is my humble result. It is not an image worthy of an award, but given the effort, time and learning invested, it is worth the same or more to me than if it was.

As always comments and constructive feedback are welcome.

Clear skies to everyone!
Wanda

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
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Amateur hosting facility
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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.
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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	5509399
PixInsight job	S86K4W71BAYEECKKVTCIVYG4II9TIHR1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h57m50s.954
RA (top/left)	07h55m28s.291
RA (top/right)	07h58m55s.995
RA (bottom/right)	08h00m13s.605
RA (bottom/left)	07h56m45s.330

Dec (center)	+53°25′32″.50
Dec (top/left)	+53°24′56″.45
Dec (top/right)	+53°06′38″.27
Dec (bottom/right)	+53°25′56″.78
Dec (bottom/left)	+53°44′25″.88

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Jones Emberson 1

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Image Index:

Contribution Index (beta):

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Jones Emberson 1

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