NGC6632 (Carlo Caligiuri)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: NGC 6632

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NGC6632

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NGC6632

The QHY8 camera sometimes surprise me... I was looking for some little and rarely imaged DSO for testing the camera and i found this nice spiral galaxy that was near the zenit and at a good distance from the Moon. I was discarding this image because i tried to do a lot of things to get out somethings good and always the result was ugly... But i realized that i need to pay more attention to the color calibration before export fits to tiff. Siril has a very nice photometric color calibration tool but sometimes the human eye of course is really better!
So after a lot of attempts i finally get the colors that satisfy me a little bit.
I really now understand why a lot of people (me included) use DSLR in astrophotography... Images from dedicated cameras need more and more skills in processing to get somethings beauty. I will never get tired to repeat this!

I have solved (it seems...) the readout noise gradient... the tricks was using at least 100 bias frame (or more) and use a different driver for this camera! The "Microsoft and QHY" mystery. Instead of QHY8 Driver i use the QHY8 Pro driver. The only difference between two cameras is that the Pro has the temperature controller and QHY8 not. Another strange thing is that with the "QHY8 dedicated correct driver" the gain and offset control is not present...

Thanks to this camera and Microsoft Windows i can get a "reverse engineering" graduation!!!!

Imagers of Italy

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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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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	4798019
PixInsight job	417SK4VJYR66PHYGOP9083CDU9WNJSLR
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h25m03s.307
RA (top/left)	18h25m47s.206
RA (top/right)	18h25m44s.500
RA (bottom/right)	18h24m19s.527
RA (bottom/left)	18h24m22s.355

Dec (center)	+27°32′01″.41
Dec (top/left)	+27°45′42″.50
Dec (top/right)	+27°17′50″.53
Dec (bottom/right)	+27°18′19″.40
Dec (bottom/left)	+27°46′10″.15

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NGC6632

NGC6632

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NGC6632

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