NGC 891 Galaxy (Jesco)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: NGC 891

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NGC 891 Galaxy

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NGC 891 Galaxy

New guidescope - 60mm instead of 30mm. This is more adequate for the focal length. I can still balance the scope on my HEQ5, but I need another counterweight for a more sensible low-torque weight placement.

I am getting better at processing. This one is LRGB style. Did color calibration and gradient removal on the stack and then seperated L and RGB. L was edited with deconvolution, a little denoise, mild masked stretch and curve transformations with starnet generated galaxy mask. Star cores were smoothed out with a tight starmask and convolution. RGB was saturated in the linear state, green noise removed, denoised and then mildy masked stretched. Star cores were repaired with a tight starmask and convolution. Some more stretching with a galaxy mask. L and RGB were merged via Lab ChannelCombination. Some sharpening on the final image and star reduction.

I a few more hours would have been good, but I like it already.

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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
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Star trails
Northern lights
Noctilucent clouds
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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	6320083
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 891 Galaxy

NGC 891 Galaxy

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Image Index:

Contribution Index (beta):

NGC 891 Galaxy

NGC 891 Galaxy

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Acquisition details

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