A Sagittarius Starscape NASA APOD Sept 5th 2014 (Terry Hancock)

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A Sagittarius Starscape NASA APOD Sept 5th 2014

Selected as NASA Picture Of The Day 9/5/2014 Thanks to all at NASA apod.nasa.gov/apod/ap140905.html

Captured over 5 nights during the month of August 2014 from my Backyard Observatory in Western Michigan using LRGB & H-Alpha filters with the QHY11 Mono CCD/Takahashi E-180.

The original image is 6676 x 4659 pixels and covers an area of sky equal to 6.8 x 4.75 degrees and includes quite a few Messier objects including M16, M17, M18, M24 and M25.

A much larger 50% annotated view of this image can be seen here

nova.astrometry.net/annotated_full/831359

Total Exposure 10 hours

Image details

Location: DownUnder Observatory, Fremont MI

Date of Shoot: August 2014

H-Alpha 360 min, 9 x 8 min bin 1x1 (for each panel)

LRGB 240 min, 6 x 2 min each bin 1x1 (for each panel)

QHY11 monochrome CCD cooled to -10C

Takahashi E-180 F2.8 Astrograph

Paramount GT-1100S German Equatorial Mount

Image Acquisition Maxim DL

Stacking and Calibrating: CCDStack

Post Processing Photoshop CS5

Down Under Observatory on Facebook

Down Under Observatory

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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.

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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.

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A Sagittarius Starscape NASA APOD Sept 5th 2014

A Sagittarius Starscape NASA APOD Sept 5th 2014

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A Sagittarius Starscape NASA APOD Sept 5th 2014

A Sagittarius Starscape NASA APOD Sept 5th 2014

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