ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs (Stefano Ciapetti)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: LBN 135 · NGC 6823 · Sh2-86

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ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs

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ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs

This image is the sum of 615 60 secs unguided subs taken during the nights of the 13th and 14th of June. Scope was a Newton 250 F 3.9 Orion USA, Ioptron CEM60EC mount, QHY183M camera, Astronomik ha 12nm filter and a Baader MK coma corrector.

Aquisition, stackin and a small cosmetics done in Astroart (gradient removal and star elongation correction) - very small processing in Gimp (gaussian selective blur in order to reduce noise and some curves). This image has to be process with PS in order to improve it. I will do in some next version.

NGC 6820 is a small reflection nebula near the open cluster NGC 6823 in Vulpecula. The reflection nebula and cluster are embedded in a large faint emission nebula called Sh 2-86. The whole area of nebulosity is often referred to as NGC 6820.

M27, the Dumbbell Nebula, is found three degrees to the east, and α Vulpeculae three degrees to the west.

Open star cluster NGC 6823 is about 50 light-years across and lies about 6,000 light-years away. The center of the cluster formed about two million years ago and is dominated in brightness by a host of bright young blue stars. Outer parts of the cluster contain even younger stars. It forms the core of the Vulpecula OB1 stellar association. (Wikipedia)

Original
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Description: local contrast improvement using curves

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Multiscope Setup
Suburban Astrophotography
Imagers of Italy
Low-Cost Astrophotography
Short exposures DSO
ZWO ASI183/QHY183
Fast Newtonians

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Status	Advanced success
Started	...
Astrometry.net job	4667899
PixInsight job	T71TWX3FRQDHCJYFNGEU0MJRBTNTCE1V
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h43m08s.406
RA (top/left)	19h42m59s.999
RA (top/right)	19h41m31s.992
RA (bottom/right)	19h43m16s.973
RA (bottom/left)	19h44m44s.704

Dec (center)	+23°19′46″.28
Dec (top/left)	+22°55′28″.31
Dec (top/right)	+23°29′57″.91
Dec (bottom/right)	+23°44′05″.54
Dec (bottom/left)	+23°09′28″.17

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ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs

ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs

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ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs

ngc6823 of 13th and 14th June 2021 - 615 60 secs unguided subs

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