Cygnus Loop (HR_Maurer)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Filamentary nebula · IC 1340 · Lace-work nebula · NGC 6960 · NGC 6992 · NGC 6995 · Network nebula · The star 52Cyg · Veil nebula

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Cygnus Loop

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Cygnus Loop

After two years, i finally started a second attempt to capture this beautiful object. In 2017, most of my captured data was lost on a cheap crappy USB-stick, after deleting the data from my laptop for not running out of memory. Never trust give-away articles!

The Cygnus Loop is a supernova remnant in constellation Cygnus, in about 1500 LJ distance. Its estimated age is about 10.000 years. Material from this supernova, moving outwarts at velocities around 100 km/s today, forms a more or less spherical structure. Where this shell is projected edge on, we can observe these beautiful filaments. The western (NGC 6960) and eastern (NGC 6995) parts are even visually observable through smaller telescopes.

The structure measures nearly 3° across, which corresponds to six full moon diameters. To capture it in a single frame, i had to use my shortest telescope with my largest mono sensor, and frame very carefully.

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Description: [OIII] preprozessiert

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Description: HII preprozessiert

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Description: [SII] preprozessiert

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Description: RGB und HII-[OIII]-Bicolor.
Forgot downscaling to 8-bit before exporting to jpg

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Description: RGB und HII-[OIII]-Bicolor

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Description: [SII] - HII - [OIII] tweaked palette

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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.
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 failed
Started	...
Astrometry.net job	2783847
PixInsight job	0OAIY9OU76X44Z0T8VPQD16CRF2WPKAH
PixInsight queue size	n/a
PixInsight stage	PLATE_SOLVING_IMAGE

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Cygnus Loop

Cygnus Loop

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Cygnus Loop

Cygnus Loop

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Sky plot

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