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Contains:  M 4, NGC 6121, The star Al Niyat (σSco)
Getting plate-solving status, please wait...
Sh2-9 and M4, 


            Nikita Misiura
Sh2-9 and M4

Sh2-9 and M4

Technical card

Resolution: 3110x2243

Dates:June 16, 2017June 17, 2017June 18, 2017June 19, 2017June 21, 2017June 22, 2017June 23, 2017June 24, 2017June 27, 2017June 28, 2017June 30, 2017

Astrodon 5nm H-Alpha filter: 8x1800" -20C bin 1x1
Astrodon 5nm H-Alpha filter: 4x600" -20C bin 1x1
Astrodon Blue Tru-Balance E-series gen 2: 17x600" -20C bin 1x1
Astrodon Green Tru-Balance E-series gen 2: 15x600" -20C bin 1x1
Astrodon Luminance Tru-Balance E-series gen 2: 17x600" -20C bin 1x1
Astrodon Red Tru-Balance E-series gen 2: 12x600" -20C bin 1x1

Integration: 14.8 hours

Avg. Moon age: 17.25 days

Avg. Moon phase: 25.19% job: 1753349

RA center: 245.533 degrees

DEC center: -26.051 degrees

Pixel scale: 2.094 arcsec/pixel

Orientation: 270.106 degrees

Field radius: 1.115 degrees

Locations: Deep Sky West Remote Observatory, Rowe, New Mexico, United States


Beautiful Al Niyat with Sh2-9 surrounding it. M4 is visible through dust. Antares is not far outside the FOV, lightening up the dust. There is so much going on in this area...

Interesting region, but looks unfinished without the rest of Rho Ophiuchi area.



Nikita Misiura
License: Attribution-NonCommercial Creative Commons

Sky plot

Sky plot


Sh2-9 and M4, 


            Nikita Misiura