Hemisphere:  Southern  ·  Contains:  NGC 6723  ·  Part of the constellation Corona Austrina (CrA)  ·  The star γCrA  ·  The star εCrA
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Dusty Southern Crown, 


            Eduardo Oliveira
Dusty Southern Crown
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Dusty Southern Crown

Technical card

Imaging telescopes or lenses: Megrez 90

Imaging cameras: QHY163m

Mounts: Orion Atlas EQ-G

Guiding cameras: ZWO ASI 120 MM

Focal reducers: Televue TRF-2008

Filters: Baader Planetarium LRGB CCD 1.25"

Accessory: ATIK EFW2

Dates:July 21, 2017

Baader Planetarium Blue 1.25": 14x300" -15C bin 1x1
Baader Planetarium Green 1.25": 11x300" -15C
Baader Planetarium Luminance 1.25": 20x300" -15C bin 1x1
Baader Planetarium Red 1.25": 10x300" -15C bin 1x1

Integration: 4.6 hours

Darks: ~40

Flats: ~10

Bias: ~50

Avg. Moon age: 27.33 days

Avg. Moon phase: 5.36%

Basic astrometry details

Astrometry.net job: 1757613

RA center: 19h 1' 43"

DEC center: -36° 52' 44"

Pixel scale: 1.781 arcsec/pixel

Orientation: 352.453 degrees

Field radius: 1.423 degrees

Resolution: 4596x3462

Locations: Home Observatory, Diamantina, MG, Brazil; Fazenda São Paulo, Padre Bernardo, GO, Brazil

Data source: Backyard


Image captured partly during the X Brazilain Astrophotography Meeting. Getting used with my new camera QHY163M.

"The corona australis Molecular Cloud is a dark molecular cloud with many embedded reflection nebulae, including NGC 6729, NGC 6726–7, and IC 4812. A star-forming region of around 7000 M☉, it contains Herbig–Haro objects (protostars) and some very young stars. About 430 light years (130 parsecs) away, it is one of the closest star-forming regions to the Solar System.The related NGC 6726 and 6727, along with unrelated NGC 6729, were first recorded by Johann Friedrich Julius Schmidt in 1865" Source: Wikipedia

Luminance: 20 x 300s
Red: 10 x 300s
Green: 11 x 300s
Blue: 14 x 300s



Eduardo Oliveira
License: None (All rights reserved)

Sky plot

Sky plot


Dusty Southern Crown, 


            Eduardo Oliveira