Hydrogen alfa |
Ultraviolet |
Infrared |
Color |
The Owl nebula is very bright in H alpha and ultraviolet, but
barely visible in infrared. The central star of the nebula is very hot
and bright in UV image. In color image the central star is a blue
dot in the center of the nebula. Telescope: ITelescopes Telescope-11 0,51m (20inch), f/6.8, f/4.5 focal reducer (Located to New Mexico USA) Camera: FLI ProLine PL11002M CCD Camera, Anti Blooming Gate, 0.81 Arc secs/pixels Filter: Infrared (806nm, Bandwidth 149nm), Ha (656.28nm), Ultraviolet (365nm, Bandwidth: 66nm) Exposure: 3 * 300s Ha, 3 * 300s I, 3 * 600s U Date: 08-10 May. 2017 |
Hydrogen alfa |
Ultraviolet |
Infrared |
Color |
The Little Dumbbell nebula is very bright in H alpha and ultraviolet, but
barely visible in infrared. The central star of the nebula is totally obscured and it is not visible even in ultraviolet image. Telescope: ITelescopes Telescope-11 0,51m (20inch), f/6.8, f/4.5 focal reducer (Located to New Mexico USA) Camera: FLI ProLine PL11002M CCD Camera, Anti Blooming Gate, 0.81 Arc secs/pixels Filter: Infrared (806nm, Bandwidth 149nm), Ha (656.28nm), Ultraviolet (365nm, Bandwidth: 66nm) Exposure: 3 * 300s Ha, 3 * 300s I, 3 * 600s U Date: 01-06 Oct. 2017 |
Hydrogen alfa |
Ultraviolet |
Infrared |
Color |
The Robin's egg nebula is very dim planetary nebula in the constellation of Fornax. Telescope: ITelescopes Telescope-17 0,43m (17inch), f/6.8 (Located to Australia) Camera: FLI PL4710 - Non Anti Blooming Gate 0.92 Arc secs/pixels Filter: Infrared (806nm, Bandwidth 149nm), Ha (656.28nm), Ultraviolet (365nm, Bandwidth: 66nm) Exposure: 3 * 600s Ha, 3 * 300s I, 3 * 600s U Date: 05-08 Nov. 2017 |