Colored version of my 9 pannels mosaic for the Orion Challenge (David Lindemann)

Colored version of my 9 pannels mosaic for the Orion Challenge

Here are some figures:

Hybdrid palette with LRGB composition

Composition formula HaLNIR

(HaR:G:B) + (SII

III:Ha))

194 unbinned raw images H-alpha of 10 minutes each

366 unbinned raw images LRGB of 5 minutes each

18 GBytes of acquired data

72h50 total exposure during 10 nights from 10/30/2015 to 11/12/2015 + embedded narrowband and NIR data captured in 2013 and 2014

A full resolution of 9020x6538 pixels for a total of 59 MPixels

A field of 5.2° per 3.8°

50 bias + 50 dark + 50 flats for calibration in CCDStack

---------------------------------------------------

Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT (http://www.innovationsforesight.com/), Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha 5nm and TrueBalance LRGB and NIR filters on 10micron GM2000 HPS II

Software: MaximDL to capture - SkySurveyor to calculate mosaic tiles and to automatically move the scope to the next tile coordinate - SharpLock to keep the optical train perfectly focused - CCDStack to calibrate, register, normalize, data reject and combine - Registar and PixInsight for mosaic composition - Photoshop CS5 and PixInsight for non-linear streching and HDR processing.

Original
B
Final
C

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 failed
Started	...
Astrometry.net job	882931
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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