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Contains:  NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, The star 9Sgr, The star 7Sgr
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Lagoon in SHO, 


            Diego Gravinese
Lagoon in SHO

Lagoon in SHO

Technical card

Imaging telescope or lens:SkyWatcher 200P

Imaging camera:ZWO ASI1600MM-COOL Pro

Mount:Sky-Watcher EQ6R-Pro

Guiding telescope or lens:ZWO OAG

Guiding camera:ZWO ASI183MM

Filters:ZWO OIII 1.25" 7nmZWO Ha 1.25" 7nmZWO SII 1.25" 7 nm

Resolution: 3520x4656

Dates:July 7, 2019

ZWO Ha 1.25" 7nm: 120x180" (gain: 139.00) -23C bin 1x1
ZWO OIII 1.25" 7nm: 80x180" (gain: 139.00) bin 1x1
ZWO SII 1.25" 7 nm: 80x180" (gain: 139.00) -23C bin 1x1

Integration: 14.0 hours

Darks: ~30

Flats: ~30

Bias: ~99

Avg. Moon age: 5.28 days

Avg. Moon phase: 28.32%

Bortle Dark-Sky Scale: 9.00 job: 2869334

RA center: 270.978 degrees

DEC center: -24.296 degrees

Pixel scale: 0.865 arcsec/pixel

Orientation: 72.840 degrees

Field radius: 0.701 degrees

Data source: Backyard


With a few lessons learned, this is a new edition of M8 from scratch, this time around trying to preserve as much data as possible.



Diego Gravinese
License: None (All rights reserved)


  • Lagoon in SHO, 


            Diego Gravinese
  • Lagoon in SHO, 


            Diego Gravinese
  • Final
    Lagoon in SHO, 


            Diego Gravinese


Stars color corrected

Sky plot

Sky plot


Lagoon in SHO, 


            Diego Gravinese

In these public groups

Astrofotógrafos de Argentina