NGC6820 (SH2-86) in Vulpecula ( AstroDarkTeam )

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NGC6820 (SH2-86) in Vulpecula

Revision title: new corrected version

Imaging Telescopes Or Lenses: Takahashi TOA-130
Imaging Cameras: ZWO ASI2600MM Pro
Mounts: Sky-Watcher EQ8-R Pro
Filters: Chroma Blue 36 mm · Chroma Green 36 mm · Chroma H-alpha 3nm Bandpass 36 mm · Chroma OIII 3nm Bandpass 36 mm · Chroma Red 36 mm · Chroma SII 3nm Bandpass 36 mm
Accessories: MoonLite NiteCrawler 2.5" · Takahashi 67 Flattener for TOA-130 (TKA31583S) · ZWO EFW 7 x 36mm · ZWO OAG M68
Software: Adobe Photoshop · Pleiades Astrophoto PixInsight · Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)
Guiding Telescopes Or Lenses: Takahashi TOA-130
Guiding Cameras: ZWO ASI290MM Mini

Dates:: July 7, 2023
Frames:: Chroma Blue 36 mm: 30×120″(1h)
Chroma Green 36 mm: 30×120″(1h)
Chroma H-alpha 3nm Bandpass 36 mm: 107×900″(26h 45′)
Chroma OIII 3nm Bandpass 36 mm: 73×900″(18h 15′)
Chroma Red 36 mm: 30×120″(1h)
Chroma SII 3nm Bandpass 36 mm: 70×900″(17h 30′)
Integration:: 65h 30′
Avg. Moon age:: 19.37 days
Avg. Moon phase:: 77.89%

RA center: 19h43m17s.740

DEC center: +23°18′51″.55

Pixel scale: 0.774 arcsec/pixel

Orientation: -95.109 degrees

Field radius: 0.796 degrees

WCS transformation: thin plate spline

More info:Open

Resolution: 6176x4095

File size: 17.6 MB

Locations: Astro Aro, Alentejo, Alentejo, Portugal

Data source: Own remote observatory

We are pleased to offer you our new deep sky target, imaged from the remote observatory in Portugal by the AstroDarkTeam composed of Pascal Gouraud and Stéphane Rolland. Thanks again to the French Astro ARO team for the efficient management of this superb site which hosts us.
This nebuleuse is NGC 6820 (or also Sh2-86) or Little Fox Nebula. It is an emission nebula associated with the open cluster NGC 6823 and visible in the constellation Little Fox. It is located in the south-central part of the Little Fox constellation, about 3.9° northwest of the famous planetary Dumbbell Nebula (M27). With binoculars, only the central open cluster NGC 6823 can be identified, with difficulty, while the cloud remains invisible even by direct observation with a telescope. However, the use of filters and astrophotography makes it possible to identify even the nebulous halo, which extends for almost 1°. The best time to observe it in the evening sky is between June and November.The gases in the cloud receive light from the young stars in this cluster, ionizing and thus becoming luminous.Obvious indications of the presence of young stellar objects are given by the presence of two Herbig Haro objects, (HH 165 and HH 365)

Technical details
A total exposure of 62.5 hours was achieved between 9 and July 23, 2023 (3 hours in RGB for stars, 59.5 Hours in SHO with narrowband filters)
TOA telescope 130 mm diameter, 1000 mm focal length, field flattener,
Focuser/rotator Moonlite Nightcrawler 35,
ASI2600MM monochrome camera cooled to -10 degrees, ZWO filter wheel with filters, 36mm Chroma LRGBSHO
EQ8-R mount, ZWO autoguiding optical splitter with ASI290MM camera
NINA software with advanced and automated sequencer, PHD2 autoguiding,
Pixinsight and Photoshop processing.

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Title: new corrected version

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Status	Advanced success
Started	...
Astrometry.net job	8447217
PixInsight job	27219HCG3BCUHQI8MK20BHMWSK3OEKG4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h43m17s.740
RA (top/left)	19h41m06s.501
RA (top/right)	19h41m38s.479
RA (bottom/right)	19h45m26s.408
RA (bottom/left)	19h44m56s.681

Dec (center)	+23°18′51″.55
Dec (top/left)	+23°56′08″.71
Dec (top/right)	+22°36′53″.20
Dec (bottom/right)	+22°41′33″.11
Dec (bottom/left)	+24°00′51″.78

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NGC6820 (SH2-86) in Vulpecula

Revision title: new corrected version

NGC6820 (SH2-86) in Vulpecula

Revision title: new corrected version

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NGC6820 (SH2-86) in Vulpecula

Revision title: new corrected version

NGC6820 (SH2-86) in Vulpecula

Revision title: new corrected version

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