Hemisphere:  Southern  ·  Contains:  NGC 6522  ·  NGC 6528  ·  The star Alnasl (γ2Sgr)
NGC 6522 & 6528 & PN M3-23, 



    
        

            tornado33
NGC 6522 & 6528 & PN M3-23
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NGC 6522 & 6528 & PN M3-23

Technical card

Imaging telescopes or lenses: Astro Optical Supplies 10 inch F5.6 Newtonian

Imaging cameras: Canon EOS Ra

Mounts: Astro Optical Supplies Sampson German Equatorial

Guiding telescopes or lenses: Astro Optical Supplies 10 inch F5.6 Newtonian

Guiding cameras: ZWO ASI120MM

Software: Iris

Accessory: TS Optics Off Axis Guider 9 mm - for Canon EOS


Dates:Sept. 8, 2020

Frames: 2x300" ISO800 bin 1x1

Integration: 0.2 hours

Darks: ~2

Flats: ~3

Bias: ~2

Avg. Moon age: 20.43 days

Avg. Moon phase: 67.88%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 3832335

RA center: 18h 4' 52"

DEC center: -30° 12' 57"

Pixel scale: 0.757 arcsec/pixel

Orientation: 349.048 degrees

Field radius: 0.849 degrees


Resolution: 6719x4473

Data source: Backyard

Description

Two globulars NGC 6522 & 6528 with Planetary neb M3-23 as a tiny green disc at lower left buried in a dense starfield.

Comments

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tornado33
tornado33
License: None (All rights reserved)
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NGC 6522 & 6528 & PN M3-23, 



    
        

            tornado33