Category Archives: Writing

The Veil nebula in Cygnus

This is a composite image comprising 8-hours of 20-minute subs taken last night on the Canon 200mm prime lenses, together with a 32-hour 2-framer taken on a single Sky90 including Ha and OIII narrowband data. It still needs a LOT … Continue reading

Posted in 200mm lens and ASI 2600MC-Pro camera, mini-WASP Array, Sky 90 and SXVF-M26C, Uncategorized, Veil Nebula | Leave a comment

The Sadr Region of Cygnus

I had my first imaging session of the new season on the array last night using the 200mm lenses and the ASI 2600MC Pro CMOS cameras.   The bright star Sadr sits in the centre and it also sits with … Continue reading

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The Only “Cloud” in the Sky

A blisteringly hot day today, a clear azure-blue sky, without a SINGLE cloud, except for this odd-shaped one 🙂 

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Starless Cygnus Wall with Additions

A starless Cygnus Wall region.

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A Star-Reduced Version of the Cygnus Wall

 

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A Starless Version of the Cygnus Wall

I used Registar to combine a number of images that included the Cygnus Wall, and the used Russ Croman’s StarXTerminator to remove the stars.

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Four Numbers

This is an image of the whiteboard in my study. In the top left hand corner are 4 numbers taken to a LOT of decimal places. What are these numbers? A good mathematician should get 3, and exceptional mathematician should … Continue reading

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From M42 to M78

Only 2 x 20-minute subs with the 200mm lenses – but it shows the way to proceed with this one. Obviously a 20-minute sub is way too long for M42, but just fine for the Horsehead region. So a fair … Continue reading

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Got Today’s EPOD

Thank you Jim for continuing to publish my work. This is EPOD number 120.

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Stunning Sirius

I managed to get 22 x 2-minute subs using the Canon 200mm prime lenses and the ASI 2600MC Pro OSC CMOS camera on beautiful Sirius last night. Given the bright Moon overhead I am very pleased at the final result. … Continue reading

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