Category Archives: Writing

M31 – the Final Cut

I just found another 6-hours of 40-minute subs of M31 taken with the Sky90 array, and I added this to the earlier composite. You can see the result above and it is virtually no different from the previous result. I … Continue reading

Posted in Hyperstar 4 and ASI2600MC-Pro, mini-WASP Array, Projects, Sky 90 and SXVF-M26C | Leave a comment

A Maths Problem for You

Here’s a simple little maths problem for you to look at, if you like that sort of thing. For what value of x does the following equation hold true? x^n + 2.x^n+1 = x^n+3 Where x^3 is x cubed.

Posted in News, Projects | 10 Comments

The Full Stellar Spectral Classification

Kemble’s Cascade alone has R N and S-type stars in the frame. In case the labelling on the image itself doesn’t come out too well, the TOP labelled star is BD Camelopardalis S-type, the MIDDLE star is V Camelopardalis N-type, … Continue reading

Posted in News, Writing | Leave a comment

Stellar Spectral Classes

I just put this montage together of stellar spectral classes with some real examples.

Posted in Writing | Leave a comment

The Propus Region of Gemini

Now there’s a LOT going on in this one! Central object is the Jellyfish nebula with bright star Propus. Top right we have TWO open clusters, the larger one is M35, and the smaller golden one to its right is … Continue reading

Posted in Canon 200mm prime lens, mini-WASP Array | Leave a comment

The Whole of Canis Minor

The whole of Canis Minor. Canis Minor only comprises 2 stars – Procyon (bright white star bottom left) and Gomeisa (blue star towards top right). This is a 2-frame mosaic using the Canon 200mm prime lenses and the M26C OSC … Continue reading

Posted in Canon 200mm prime lens, mini-WASP Array | Leave a comment

Arcturus Wide Field

A 2-frame mosaic of the Arcturus region using the Canon 200mm prime lenses and the M26C OSC CCDs. This image comprises 40 subs at 5-minutes per sub. Note the Napoleon’s Hat asterism at the 5 o’clock position.

Posted in Canon 200mm prime lens, mini-WASP Array | Leave a comment

The IC2087 Region in Taurus

Lots of Taurus Molecular Cloud dust in this one taken using the 200mm lenses and the ASI 2600MC Pro CMOS cameras on the MiniWASP array. This image comprises 26 x 15-minute subs and could do with at least the same … Continue reading

Posted in 200mm lens and ASI 2600MC-Pro camera, mini-WASP Array | Leave a comment

Larger Field of View Flaming Star Nebula

Here is a larger field of view of the Flaming Star nebula region taken on the 200mm lenses, without stars.

Posted in 200mm lens and ASI 2600MC-Pro camera, mini-WASP Array | Leave a comment

Hind’s Variable Nebula

A reprocess of Hind’s Variable nebula in the constellation Taurus. Taken on the Sky90 array with M26C OSC CCDs and UV/IR cut filters. This image comprises 65 x 20-minute subs (or almost 22-hours of exposure time).

Posted in mini-WASP Array, Sky 90 and SXVF-M26C | Leave a comment