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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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M8: Lagoon Nebula RGB + Narrowband, 


            Ivan Nair
M8: Lagoon Nebula RGB + Narrowband

M8: Lagoon Nebula RGB + Narrowband

Technical card

Resolution: 9036x6660

Dates:Aug. 27, 2018Aug. 28, 2018Aug. 31, 2018

ZWO B 36mm: 56x60" -10C bin 1x1
ZWO G 36mm: 75x60" -10C bin 1x1
ZWO Ha 36mm: 35x120" (gain: 139.00) bin 1x1
ZWO OIII 36mm: 37x120" (gain: 139.00) bin 1x1
ZWO R 36mm: 75x60" bin 1x1

Integration: 5.8 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Bias: ~20

Avg. Moon age: 17.27 days

Avg. Moon phase: 90.65% job: 2243895

RA center: 270.999 degrees

DEC center: -24.309 degrees

Pixel scale: 0.518 arcsec/pixel

Orientation: 16.370 degrees

Field radius: 0.807 degrees

Locations: Backyard, Surprise, Arizona, United States

Data source: Backyard


I tried RGB + NB for the first time, I definitely could have used longer exposures for the RGB data but I didn't want to start over. I had a tough time figuring out the color combination's to get a nice natural looking color. I'm still not 100% happy with it but it'll do for now. Also this was the first time using a motorized focuser, which was wonderful for multiple filters, I highly recommend the myfocuser pro 2 for a low cost option.



Ivan Nair
License: None (All rights reserved)

Sky plot

Sky plot


M8: Lagoon Nebula RGB + Narrowband, 


            Ivan Nair