Popular Articles
  • Digital SLR Astrophotography

    Digital SLR Astrophotography

    This tutorial covers the methods I use for astrophotography with my Canon XSi digital SLR and Celestron CGEM. It is similar to the tutorial I wrote in December of 2007 for digital SLR astrophotography with my Canon 300D. With the exception of the Orion ED80 refractor, I am using all new equipment. I am also using different software for processing the RAW images into a detailed composite photo. Note that Read More
  • Astrophotography on a Budget by Martin Cohen

    Astrophotography on a Budget by Martin Cohen

    Many years ago, before digital photography revolutionized the medium, taking a beautiful shot of the Andromeda Galaxy (M31), or even a detailed image of the moon, showing its many craters, rilles and mountains would only be possible if you had a large wallet and access to highly specialized equipment and techniques. For the average amateur astronomer it was entirely out of reach. With high-end telescopes now being mass produced, new Read More
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Roll-Off Observatory Plans

SkyShed plans provide you with all the information needed to construct an easy to build, attractive and fully functional roll-off observatory. 95% of materials are available from your local building materials retailer.
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Horsehead and Flame Nebula

After a couple of attempts to acquire a decent image of the Horsehead and Flame Nebula, it finally happened in March of this year! My 2011 image represents a major milestone for me in astrophotography with a DSLR camera and telescope. Learning my new equipment (i.e., Celestron CGEM, XSi DSLR, and Orion Autoguider) and various software programs is really making a difference. My goal for this article is to point out the main factors that helped contribute to my success.

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Astrophotography Tutorial: Creating Seamless Mosaics in Photoshop by Martin Cohen

Introduction

This article gives a general outline of the techniques I use in Photoshop CS3 (CS2 and CS4 will work as well) to put together seamless mosaics of the moon and other celestial objects. Since I work with a PC myself, shortcuts for Photoshop will be given for a PC. For those who use a Mac the commands are very similar, but in general the Apple key replaces the Ctrl key.

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CGEM Pier and Observatory at DaltonSkyGazer

Hello everyone. It’s been awhile since I’ve made a post but wanted to give you a heads-up on what’s happening over at DaltonSkyGazer. Jeff Turner is in the process of establishing a permanent setup for his CGEM Edge 800HD and Meade 80mm 5000 Series APO. This setup includes a rock-solid pier and personal dome observatory. If a permanently mounted telescope has been on your mind lately, I highly recommend following Jeff’s blog for a play-by-play of the construction and installation process. Jeff is doing a great job of documenting his experience with lots of details and photos. 

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