IC 4685
Constellation: Sagittarius
IC 4685 is a blue nebula around the variable start 11 Sgr in the constellation of Sagittarius. It is crossed by the dark nebulae, Barnard 302 and 303. To the left, one can see NGC 6995, which is a star forming region. Link to interactive sky chart.
Dates:
Data acquired remotely in June 2025 using Martin’s equipment.
His telescope is located in Chile (Observatorio El Sauce).
Colour palette is SHO.
Telescope & Mount:
PlaneWave CDK17 (F6.8) on a Software Bisque Paramount ME mount.
Imaging:
Camera: SBIG STXL11002, FW8G, AO
Data:
Astrodon Ha: 29x1800s
Astrodon O3: 37x1800s
Astrodon S2: 501x1800s
Total integration time: 58h