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Contains:  IC 1274, IC 4685, Lagoon Nebula, M 20, M 21, M 8, NGC 6514, NGC 6523, NGC 6526, NGC 6530, NGC 6531, NGC 6546, NGC 6559, The star 11Sgr, The star 4Sgr, The star 7Sgr, The star 9Sgr, Trifid Nebula
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M8, M20 and M21, 


            Amir H. Abolfath
M8, M20 and M21
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Technical card

Imaging telescopes or lenses:Vixen VSD 100

Imaging cameras:SBIG STF 8300M

Mounts:Paramount MX

Guiding telescopes or lenses:SBIG OAG-8300

Guiding cameras:SBIG STi mono

Focal reducers:Vixen VSD reducer 0.79x

Software:The SkyXPhotoshopPixinsight

Filters:Baader LBaader H-Alpha 36mm 7nmBGR

B: 21x300" -5C bin 1x1
G: 22x300" -5C bin 1x1
Baader H-Alpha 36mm 7nm: 23x600" -10C bin 1x1
Baader L: 24x300" -5C bin 1x1
R: 14x300" -5C bin 1x1

Integration: 10.6 hours

Darks: ~36

Flats: ~40

Flat darks: ~40

Bias: ~4000

Bortle Dark-Sky Scale: 4.20

Basic astrometry details job: 3787448

RA center: 18h 5' 23"

DEC center: -23° 36' 57"

Pixel scale: 4.018 arcsec/pixel

Orientation: 1.714 degrees

Field radius: 2.119 degrees

Resolution: 3000x2328

Data source: Traveller


Optic: Vixen VSD100 at F3
Mount: Software Bisque Paramount MX
Camera: SBIG STF8300M
Filters: Baader Ha(7nm) LRGB
Guider: SBIG Sti 50mm GuideScope
Exposure: Ha: 23x600s L:24x300s R:14x300s G:22x300s B: 21x300s
Binning: All 1x1
Calibration: Flats, Dark, Dark Flat, Bias
CCD Sensor Temp: -10c/-5c
Dithering: Yes
Software: TheSkyX, PixInsight, Photoshop



Amir H. Abolfath
License: None (All rights reserved)

Sky plot

Sky plot


M8, M20 and M21, 


            Amir H. Abolfath

In these public groups

The refractors!