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Contains:  NGC 6723, NGC 6726, The star εCrA
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NGC 6726, 6723, and friends, 



    
        

            morrienz
NGC 6726, 6723, and friends
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NGC 6726, 6723, and friends

Technical card


Dates:Nov. 17, 2019

Frames: 280x15"

Integration: 1.2 hours

Avg. Moon age: 19.65 days

Avg. Moon phase: 75.33%


Basic astrometry details

Astrometry.net job: 3055987

RA center: 19h 1' 51"

DEC center: -36° 54' 57"

Pixel scale: 1.710 arcsec/pixel

Orientation: 91.728 degrees

Field radius: 1.188 degrees


Resolution: 4136x2814

Locations: Home Orchard, Katikati, New Zealand

Data source: Backyard

Description

NGCs 6723, 6726, 6727, 6729, IC4812, dark nebula Bernes 157/Dunlop 559, HH 98 and HH 104 (Herbig-Haro objects - glowing gas arcs surrounding embryonic stars) in Corona Australis. ZWO Asiair, C11 @ f/2 with Hyperstar. ZWO ASI294MC Pro, 280 x 15 second exposures at -15 deg C and gain 120, guided although probably not necessary for these 15 sec exposures. ASIAIR, Astronomik IR/UV block filter. Overloaded Celestron AVX mount. Stacked with Astro Pixel Processor, processed in Pixinsight and Photoshop Elements. Captured from Katikati, New Zealand last night, with poor transparency at times, I think due to strands of smoke in the atmosphere from Australia's recent bush fires. Around 420 light years from us. A wonderful and very busy area of sky. A dense starfield, blue reflection nebulae, dark dust clouds, plus the HH objects, and the globular cluster NGC 6723.

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Author

morrienz
morrienz
License: None (All rights reserved)
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NGC 6726, 6723, and friends, 



    
        

            morrienz