M31 - The Andromeda Galaxy

M31 – The Andromeda Galaxy

The Andromeda Galaxy is our nearest (big) galactic neighbour, at a distance of 2.5 million light years. It is about twice the size of our own Milky Way galaxy and the two are expected to merge in to a single galaxy in about 4.5 billion years time. Acquisition: Sky-Watcher Evostar 80ED DS-Pro, Sky-Watcher 0.85x reducer, ZWO ASI1600MM-Cool, […]

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Cygnus Wall Narrowband

The Cygnus Wall

The Cygnus Wall is part of the North America Nebula (NGC7000).  It is a huge cloud of ionized Hydrogen gas estimated to be 1,600 light years away and the location of some intense star formation. The darker region to the right of this image is not the empty background of space; we are looking at […]

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Roof carriage chassis

Building a Small Imaging Observatory – Roof

In this part of the series, I will cover construction of the roof. This is the most complex part of the structure and it required a bit of trial and error to create something workable The Roof Chassis There are various options for making a workable roll-off mechanism, but I settled on using V-Groove steel […]

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Fence post framework

Building a Small Imaging Observatory – Foundations

In this post, we’ll get started on the foundations and framework for my roll-off roof back garden observatory. In the previous post, I finished building the telescope pier and now it’s time to enclose it. The Framework When planning this observatory, I considered a number of construction options. Many people buy a wooden, plastic or […]

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AR2673 in Hydrogen Alpha

AR2673 with M-Class Flare

Today I managed to capture the end of a large M-Class flare from AR2673 which has been very active for most of this week: Scope: Lunt LS60THa/B1200CPT, 2x Barlow (for detail images) Camera: ZWO ASI174MM, FireCapture Mount: Sky-Watcher AZ-GT Processing: AutoStakkert! 2, PixInsight 1.8 Date: 9th September 2017, 12:04UTC

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