Monthly Archives: November 2023

A Very Deep Image of the Pleiades

This is a very deep image of the Pleiades (M45) in Taurus. This comprises 27 x 40-minute subs (18-hours) on the Sky90 array with M26C OSC CCDs.

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The Golden Solid Angle

I made a typo on the original, so here’s the typo fixed: https://www.wolframcloud.com/env/5b420541-41cd-427c-a02c-94e86a671327 

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The 32 Cygni Region of Cygnus

This single-frame Sky90/M26C OSC CCD image contains a lot of interesting bits and pieces. The data comprises 8-hours and 10-minutes of 10-minute subs with a UV/IR cut filter. The bright orange/yellow star lying on the centre line about 1/3rd of … Continue reading

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The Heart Nebula

Another complete reprocess. This time it is the Heart nebula, captured on the Sky90/M26C MiniWASP array. A two frame mosaic totalling 39 x 20-minute subs (13 hours).

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Carbon Star Y Tauri (SAO77516)

A complete reprocess of Sky90/M26C MiniWASP data for Y Tauri. This is 30 x 10-minute subs.

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Delta Persei a Very Blue Star

39-Delta Persei (SAO39053) is a VERY blue star as you can see. Spectral type B5III SB. This is 72 x 450-second subs (9 hours) on the Sky90 array using the M26C OSC CCDs.

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All My Data on M100

This is all the data I have from the HSIII and 814C plus the Sky90s and M26Cs. This will be in excess of 8-hours of data.

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Filters on the Hyperstar 4 – L-Extreme

As mentioned earlier, I did try the Optolong L-Extreme filter out on the Hyperstar 4 (on the Gamma Cass nebula) and the result was – no improvement as far as I could see. So as expected, these filters are not … Continue reading

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