M104: Sombrero Galaxy (ivnlpz)

Celestial hemisphere: Southern · Constellation: Virgo (Vir) · Contains: M 104 · NGC 4594 · Sombrero Galaxy

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M104: Sombrero Galaxy

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M104: Sombrero Galaxy

The Sombrero Galaxy is a spiral galaxy in the constellation borders of Virgo and Corvus, being about 9.55 megaparsecs from our galaxy, within the local supercluster. It has a diameter of approximately 15 kiloparsecs, three-tenths the size of the Milky Way.

Preprocessing in PI:
- WBPP for calibration and cosmetization
- SubframeSelector to find best image by PSF signal
- StarAlignment
- NormalizeScaleGradient using 30% weight
- ImageIntegration
- IntegerResample to get bin2 images

Processing in PI:
- DynamicCrop
- DBE
- ChannelCombination to get RGB image
- PCC
- EZ soft stretch RGB and luminance

Postprocessing in PI:
- LRGBCombination
- CurvesTransformation
- TGVDenoise
- ACDNR
- MLT to slightly sharpen image
- LocalHistogramEqualization with RangeSelection masks
- final CurvesTransformation
- FastRotation

/r/astrophotography
PixInsight Addicts
Images from the EdgeHD Series
Texas Astronomy
Schmidt-Cassegrain Telescope (SCT) Imagers
N.I.N.A. Users
ZWO ASI1600MM/QHY163M
Suburban Astrophotography

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	5506971
PixInsight job	7DYFTTDB9M7WTLQ577G222QJ1C7JSF9A
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h39m58s.875
RA (top/left)	12h40m54s.540
RA (top/right)	12h39m03s.219
RA (bottom/right)	12h39m03s.477
RA (bottom/left)	12h40m54s.536

Dec (center)	-11°37′39″.91
Dec (top/left)	-11°27′49″.50
Dec (top/right)	-11°27′56″.74
Dec (bottom/right)	-11°47′29″.13
Dec (bottom/left)	-11°47′22″.30

Image Index:

Contribution Index (beta):

M104: Sombrero Galaxy

M104: Sombrero Galaxy

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Acquisition details

Description

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Image Index:

Contribution Index (beta):

M104: Sombrero Galaxy

M104: Sombrero Galaxy

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

Notifications

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IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

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