Today's image is of the Omega Nebula, sometimes called the Swan Nebula, or by its Messier catalogue number M17. It's actually considered to be one of the brightest, most massive star forming regions in our ...

The Cygnus Wall region in the North America Nebula features a great range of colours and wavelengths, making it a common and effective yardstick for comparing different filters and processing techniques. Askar's new Colour Magi...

Today's AAAPOD goes to Mr. Tampubolon for this shot of the waxing crescent moon in the early evening hours with his newly acquired Seestar S50! We're starting a new collective for Seestar users of all ages and skill levels, the...

The North America Nebula and its close neighbor the Pelican Nebula make up an incredibly large region of nebulosity in the constellation Cygnus, designated as Sh2-117 in the second Sharpless catalogue. Sh2-117 is indeed just one regio...

  M101, also known as the Pinwheel Galaxy, is maybe the best example of a face-on, grand design spiral galaxy in our night sky. Gravitational interactions with nearby satellite galaxies introduce tidal forces which interrupt th...

The brightness of the image produced by a telescope or lens is determined by its F/ ratio, the proportion between the optic's focal length and the diameter of its primary objective optic, be it a lens or a mirror. The focal length det...

The Cygnus Wall is a region of intense star formation in the North America Nebula, within the constellation of Cygnus, the Swan. The visible parts are regions where ultraviolet light from a very hot central star ionizes low pressure g...