Hemisphere:  Southern  ·  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
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 SkyX  ·  Photoshop  ·  Pixinsight

Filters: Baader H-Alpha 36mm 7nm  ·  Baader L  ·  B  ·  G  ·  R


Frames:
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

Astrometry.net 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

Description

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

Comments

Author

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

M8, M20 and M21, 



    
        

            Amir H. Abolfath

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