Overview The iOptron GEM45 is a lightweight and very capable mount. It is similar to the CEM40, but with a traditional right ascension and...
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Telescope Live is an interesting platform that puts data from a network of global telescopes at your disposal. I signed up for a subscription,...
Like many, I used to use my trusty laptop to control my telescope and astrophotography setup. While it worked well, the main drawbacks were...
I have been very pleased with the performance of my Planewave CDK14 for imaging with its long focal length (f/7.2). See my review for...
Astrophotography involves replacing an eyepiece with a camera. While this seems simple in theory, for the high resolution and large fields we try to...
I put the 45-megapixel Canon R5 mirrorless camera through its paces for astrophotography. A high-resolution (in this case 45-megapixel) stock camera doesn’t seem like...
For imaging nebulae, the combination of a monochrome camera and narrowband filters can create truly breathtaking results. Nebulae are composed of a number of...
I always recommend using flat field frames to calibrate deep sky images. My most recent imaging setup with a large full-frame camera and an...
Most deep sky imagers need to guide their mounts for long-exposure imaging. Large telescopes with long focal lengths and fine image scale are especially...
Periodic collimation is critical for the best optical performance. But clear nights are for observing, while telescope maintenance is a cloudy night activity. Unfortunately,...