M17  in Ha Wide

“Swan Nebula”

Constellation-Sagittarius

 

 

 

Right Ascension: 18h 21m 04s

Declination: -16° 10' 57"

Distance: 5,000 light years

Visual Brightness: 7.0 mag

Apparent Dimension: 11.0 arc minutes

 

 

 

Image information-

Date taken- July 29, 2013

Telescope/Focal length/Camera/Temperature- Takahashi FS-78 @ f/6.4 (Sky90 Reducer), ATIK 383L Mono @ -20C, on a HDX-110 EQ-G autoguided with PHD2.5

Integrations-  LRGB, L = x seconds binned 2x2, RGB = x seconds each binned 2x2

Processing- Flats and darks, aligned and combined in CCDSoft, processed with Astroart 5 and Photoshop CS5