Full Guide: Plate solving [2021 Edition]

Full Guide: Plate solving [2021 Edition]

Plate SolvingHamza Touhami
Problem Plate solving ( AKA astrometric solving )is used to accurately center an object in the sky within the field of view of your telescope, one ...
Full Guide: Plate solving [2021 Edition]

Full Guide: Plate solving [2021 Edition]

Plate SolvingHamza Touhami
Problem Plate solving ( AKA astrometric solving )is used to accurately center an object in the sky within the field of view of your telescope, one ...
How To Plan an Imaging Session with PRISM

How To Plan an Imaging Session with PRISM

PlanningHamza Touhami
PRISM v10 includes some of the most powerful tools for planning. With a complete skychart on board, the user can simply click a few times to find targets to image very easily. PRISM includes some of the most useful star, galaxy and nebulae catalogs to make easier to retrieve information about location, rise and set times that would otherwise require multiple piece of software
Calibration : Part I - Pre-processing

Calibration : Part I - Pre-processing

BiasHamza Touhami
Calibration frames are used to correct for optical defects in the imaging train such as: hot pixels, cold pixels, dead columns, vignetting, and dust motes. This process is indispensable in applications such as asteroid photometry. These frames are classified into three separate categories
How To Create a Mosaic

How To Create a Mosaic

mosaicsHamza Touhami
You can create a mosaic in PRISM very quickly and easily, with just a few clicks. With its powerful built-in skychart, all one has to do is enter the object names, how many panels they desire to image and PRISM will magically gather all the data required.
How-To: Find a Suitable Star For Autofocus

How-To: Find a Suitable Star For Autofocus

AutofocusHamza Touhami
How To Choose The Right Star To Focus Hamza Avid astrophotographer  How to choose a good star for focus? Background: Choosing the right magnitude s...
The power of focus in Prism

The power of focus in Prism

Hamza Touhami
Considering how much automation is currently used in astronomy , it is no surprise that these processes are more and more powerful. One that is use...
Collimation woes!

Collimation woes!

CollimationHamza Touhami
After getting the big OOUK AG16 installed with all its accessories, camera, filterwhel, etc..we thought playtime was around the corner and we were going to image our hearts put. WRONG! the Collmation ( optical alignment) did not survive the trip to the observatory and we had to do something about it. Typically, a laser suffices to align a newtonian but not this time, the AG16 operates at F/3.6 with the provided 0.95x coma corrector/reducer which makes things very tricky.
NGC 253 -  The Sculptor Galaxy | Hyperion Astronomy

NGC 253 - The Sculptor Galaxy

Hamza Touhami
Target Description NGC 253 is one of the brightest spiral galaxies visible, but also one of the dustiest. Dubbed the Silver Coin for its appearance...