Messier 57 - Ring Nebula
Messier 57 - Ring Nebula
Ring Nebula in Lyr - M57 (NGC 6720)

Image Details
Scope Astrokamera 254/1400mm (By courtesy of Ralf Mündlein www.astro-theke.de)
Astronomik Profi-UHC Filter
Baader H-Alpha Filter 7nm
Camera Canon 40Da
Mount Losmandy G11
Guiding Lumicon Off-Axis-Guider with ALccd5 and Guidemaster
Exposure 1740min (12 x 5min & 42 x 10min & 13 x 20min + 8 x 20min UHC + 41 x 20min Hα)
Date 27. & 29. March, 14. &, 21. April, 19., 20., 24. & 28. September, 02., 04. & 07. October 2012
Location Unterspiesheim (Germany)

Image Processing THELI, DeepSkyStacker, Fitsworks, CCDSharp, Photoshop CS2
Complete field of view
Former Versions
Image Details
Scope GSO 200/800mm Newton
Siebert Optics 1,5x Telecentric Ultra Barlow
Camera Canon 40Da
Mount Losmandy G11
Guiding 80/900mm Refractor with ALccd5 and Guidemaster
Exposure 81min (27 x 180sek)
Date 31. May 2009
Location Waldbüttelbrunn / Würzburg (Germany)

Image Processing DeepSkyStacker, Fitsworks, CCDSharp, REGIM, Photoshop CS2
Image Details
Scope GSO 200/800mm Newton
TeleVue Paracorr Coma Corrector
2x ED Barlow-Element
Camera Canon 40Da
Mount Modified Eq-6 with Boxdörfer MTS-3 SDI
Guiding 102/1300mm Maksutov with ALccd5 and Guidemaster
Exposure 108min (27 x 240sek)
Date 05. May 2008
Location Waldbüttelbrunn / Würzburg (Germany)


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