10″ f/15 Aries Maksutov-Cassegrain Review.
IC 5146 Emission and Reflection Nebula in Cygnus.
The Bubble Nebula is an ionized hydrogen emission nebula 7,800 light years away, created by stellar winds from the Wolf-Rayet O-type star SAO 20575.
Some preliminary tests of the new Takahashi Mewlon 210 Dall–Kirkham based astrograph, with ASI 1600 MM-C CMOS camera.