All Images Copyright Rod Gallagher Click on image to see full size
M17 -- Swan Nebula
Object
|
Type |
Star Forming Nebula |
|
Constellation |
Sagittarius |
|
Distance |
5,000 light years |
|
Magnitude |
6.0 |
|
Size |
11.0 arc-min |
|
Also Known As |
Omega Nebula, NGC 6618 |
|
|
|
|
|
|
|
|
|
Image
|
Date |
2021-07-09 / 2021-07-12 / 2021-07-13 |
|
Place |
Cheddar Ranch Observatory |
|
Exposure Data |
HaLRGB 90:60:80:80:80 mins @ -15C |
|
|
Ha 18x5, L 12x5, R 16x5, G 16x5, B 16x5 |
|
Notes |
Ha & Lum binned 1x1; R, G, B filters binned 2x2 |
|
|
|
|
|
|
Equipment
|
Optics |
Takahashi TOA-150 |
|
Focal Length |
1100 mm @f/7.3 |
|
Mount |
Paramount ME |
|
Camera |
SBIG STL-6303E |
|
Focuser |
RoboFocus |
|
Filters |
Internal CFW, Astrodon LRGB (Gen 2), H-Alpha (3nm) |
|
Software |
TheSkyX, CCDSoft, CCDAutopilot5, CCDStack2+, PhotoShop CS6, eXcalibrator, PixInsight, BlurXTerminator |
|
|
Reprocessed on 01/25/2023 |