Ring Nebula
M 57
Ring Nebula M 577/11/22Telescope: Explore Scientific ED80ES Field Flattener
Camera: ZWO ASI294 MC ProGuide Scope: Deluxe Mini 50mm Guide Scope with Helical FocuserGuide Camera: Orion StarShoot AutoguiderFilter: Baader Moon and Sky Glow FilterBin: 1x1Gain: 121NINA for Camera control and ditheringPHD2 for GuidingSubs: 250 30 sec RGBCalibration Frames - 30 each of: Flats, Darks, and Dark Flat framesStacked with APPProcessed with Photoshop CS4 with Astronomy Tools and Gradient Xterminator
Camera: ZWO ASI294 MC ProGuide Scope: Deluxe Mini 50mm Guide Scope with Helical FocuserGuide Camera: Orion StarShoot AutoguiderFilter: Baader Moon and Sky Glow FilterBin: 1x1Gain: 121NINA for Camera control and ditheringPHD2 for GuidingSubs: 250 30 sec RGBCalibration Frames - 30 each of: Flats, Darks, and Dark Flat framesStacked with APPProcessed with Photoshop CS4 with Astronomy Tools and Gradient Xterminator
Name: Ring Nebula
Catalog #: M 57
Visual Magnitude: 8.8
Apparent Size (arcmin): 1.4 x 1.0
Distance (kly): 2.3
You can just barely make out the 12 mag star in the center.