Photo Details
Telescope: Celestron C8N (1000mm)
Camera: Sbig ST-2000XM, Filter wheel, Baader 1.25" LRGB filtes
Mount: NJP Takahashi
Guiding: Self-guided
Exposure: LRGB L 10x10min, 10x5min, RGB 6x8min, 3x5min
When: April/May 2014
Other information: very good transparency, good seeing, all obtained in very short session 20min total at downM57 The Ring Nebula M53
The Ring Nebula (M57 or NGC 6720) is a planetary nebula in the constellation of Lyra. This objects was formed when a shell of ionized gas expelleded into the surrounding interstellar medium by a red giant star, which was passing through the last stage in its evolution before becoming a white dwarf.
Photo Details
Telescope: Celestron C8N (1000mm)
Camera: Sbig ST-2000XM, Filter wheel, Baader 1.25" LRGB filtes
Mount: NJP Takahashi
Guiding: Self-guided
Exposure: LRGB L 15x30sec, 8,4,4x30sec RGB
When: May 2014
Other information: very good transparency, good seeing, all obtained in very short session 20min total at down