Author: Lance Palmer

ATT Volume 18 Issue 3
Issues

ATT Volume 18 Issue 3

In this issue Dr. Thomas Fowler shows how the CFF 140mm offers wonderful optics and exceptionally well-made mechanical fittings; Dr. Leon Palmer provides a dynamic, affordable alternative for live video collimation just using an iPhone or Android phone; Dr. James R. Dire is extremely impressed with the quality and performance […]

ATT Volume 18 Issue 2
Issues

ATT Volume 18 Issue 2

In this issue Matt Harmston shows how establishing back-focus can be an iterative process requiring repeated confirmation and/or refinement of other observing system characteristics; Paul Temple describes his experiences with a classic Celestron 6” achromatic refractor nicknamed “The Beast!”; Rafael Fiol discusses how he designed and printed a 3D Newtonian […]

ATT Volume 18 Issue 1
Issues

ATT Volume 18 Issue 1

In this issue Dr. James Dire shows how the Masuyama 1.25”, 53° Premium Eyepieces are made with some of the best glass he has seen in eyepieces; Dr. Dire does double duty as he demonstrates how the Askar FRA 400 makes a great portable travel scope for visual use and […]

ATT Volume 17 Issue 10
Issues

ATT Volume 17 Issue 10

In this issue Matt Harmston shows how the Mallincam HD-10 II provides a unique opportunity for solar-system viewing without a PC; In his “Battle of the Quads!” Jim Thompson demonstrates that, while the four filters reviewed all share the “quad” designation in their names, they each fill a rather different […]

ATT Volume 17 Issue 9
Issues

ATT Volume 17 Issue 9

In this issue Dr. James R. Dire shows how the Celestron StarSense Autoguider makes visual observing and imaging more efficient and fun; Jim Thompson evaluates the performance of a selection of H-α filters, ranging in bandwidth from >100nm down to 3nm; Matt Harmston helps give advice for when you are […]

ATT Volume 17 Issue 8
Issues

ATT Volume 17 Issue 8

In this issue Dr. James Dire shows how the Unistellar eQuinox 2 opens up the whole universe to people in light polluted skies; Curtis Macchioni showcases the functionality of the Pegasus Pocket Power Box Advance; Matt Harmston shows how the QHY Polemaster was money well spent for his viewing style, […]

ATT Volume 17 Issue 7
Issues

ATT Volume 17 Issue 7

In this issue Dr. James Dire discusses how the Celestron SkyMaster Pro ED binocular lineup offers excellent choices for astronomical and terrestrial use; Christopher Hay shows that with the arrival of the Baader 6.5nm OIII filter, skywatchers have access to a very narrow yet affordable OIII filter that will provide […]

ATT Volume 17 Issue 6
Issues Uncategorized

ATT Volume 17 Issue 6

In this issue Dr. James R. Dire takes a deep dive into how the Celestron EclipSmart line of solar instruments provides great performance and exceptional value; Curtis Macchioni walks through some of the confusion about Lithium power sources; Dr. Rob Pettengill shows how the Celestron FirstScope is a versatile little […]

ATT Volume 17 Issue 5
Issues

ATT Volume 17 Issue 5

In this issue Curtis Macchioni walks through the options on choosing a mount for EEA; Jim Thompson offers a detailed summary of his investigation into the origin and nature of halos around bright stars caused by the presence of a filter; Matt Harmston describes his visual observing experiences under light-polluted […]

ATT Volume 17 Issue 4
Issues

ATT Volume 17 Issue 4

In this issue Thomas Fowler demonstrates how the Avalon Linear Telescope Mounts’ are as aesthetically beautiful as they are technologically advanced; Curtis Macchioni goes in the field to test the EBL Voyager 1000; Jim Thompson takes a deep dive into the new trend of ultra-narrowband filters; Richard Hill provides a […]

ATT Volume 17 Issue 3
Issues

ATT Volume 17 Issue 3

In this issue Matt Harmston and Jack Huerkamp take the new MallinCam SkyRaider SolarCam through its paces for solar system viewing; Dr. James Dire shows that the Unistellar eVscope 2 can offer pleasing views that rival looking through an eyepiece; Matt Harmston does double duty as he demonstrates that doing […]

ATT Volume 17 Issue 2
Issues

ATT Volume 17 Issue 2

In this issue Dr. James Dire shows he is extremely happy with the performance of the GSO 10-inch classical Cassegrain which has become one of his favorite telescopes for visual use and it has proved to be a very capable instrument of lunar and planetary imaging; Curtis Macchioni discusses how […]