CPC 1100 GPS (XLT) COMPUTERIZED TELESCOPE 11”
Progress on the James Webb Space Telescope trundles along, with its array of mirrors passing its first optical test.
The 2023 White House Holiday Display featured its first-ever Advent calendar, including new, high-resolution images taken from the James Webb Space Telescope.
Equatorial Platform for the North: In this Instructable, I will show you how I designed an equatorial platform for my telescope. But first, what is an equatorial platform? This device will let you observe an object for several minutes or take photos of the night sky without having to…
The iconic James Webb Space Telescope has been making epic headlines since its launch in 2021. This cutting-edge technology has been an instrumental tool in ...
a team of astronomers have discovered quasar tsunamis, 'the most energetic outflows ever witnessed in the universe', using NASA’s hubble space telescope.
A new analysis of distant galaxies imaged by NASA’s James Webb Space Telescope shows that they are extremely young and share some remarkable similarities to “green peas,” a rare class of small galaxies in our cosmic backyard.
The Hubble Space Telescope is back to doing science, three weeks after going out of service due to a gyro failure.
There is a relatively simple method to realize an equatorial mount for Dobsonians
406 mm (16 inch) f/5 motorized alt-azimuth telescope constructed by Robert Houdart
Astronomers have discovered seven rocky planets roughly the size of Earth around the red dwarf star TRAPPIST-1.
How to replace, calculate offset, properly collimate and star test for astigmatism a secondary mirror of a Newtonian telescope using the simplest methods
Photos d'astronomie, photos de foudre, photos de l'�clipse du 11 ao�t 1999, macrophotographie
A picture recently went viral claimed to depict the Earth as seen from Hubble. No, it isn't, and here's why.
My Unitron Scope uploaded in Classic Telescopes: 4" Unitron with 2.4" guidescope
Casting a Large, Light-Weight Telescope Mirror From Recycled Glass: The first photo below shows a 12.5 inch diameter, 1.5 inch thick, telescope mirror blank, made from recycled glass, that has been lightened by casting the mirror in a mold that made lots of hexagon-shaped pockets in the back of the mirror. This is t…
The magic of mirror making. The disk of glass has a diameter of 800mm indeed. First: hogging the main part of the volume of glass to reach a depth of about 1...
As of now, there are over 5,000 exoplanets discovered, and scientists are not stopping their quest to find and sustain life in outer space. So did James Webb...
Sumerian 18 inch Canopus.Taken by Michael in Holland prior to shippingWell at last it has arrived here at home and as they say good things are worth waiting for.The Dob MobI decided it was time to try to join the ‘Dob Mob’ as it is called on site, a little known and secret organisation where meet...
