Archive for the “CCD Images” Category

CCD Astrophotography Images

A couple of nights ago with a full Moon I took some Arcturus data with the 3 x Sky 90s.

I combined the recent data with some taken a while back and came up with this result :)

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Looking through this year’s captures I found one I hadn’t put up for viewing.  This is Carbon star X Cancri taken on 15th February 2015.

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I composited some 4-hours of Hyperstar III data and some 6-hours of Sky 90 data to give the following deep image of NGC281 – the Pac Man nebula.

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A clear Moonless night last night so I put the mini-WASP array on Polaris.

A total of 36 x 5-minute subs gave the result below which I’m pretty pleased with.

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I was looking through some old data yesterday and NGC1333 (Hyperstar III data) stood out as worth taking a second look at.

So I reprocessed the data and came up with the (slight improvement) below :)

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I managed to get 4-hours worth of 10-minute subs on La Superba last night using the mini-WASP array.  I composited this with around another 4-hours of data from a Sky 90/M25C combo – so around 8-hours in total using 10-minutes subs on La Superba and friends.  I consider this one now done :)

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I had one hour last night to get a 2-framer of the Merak region before thick heavy cloud came over.  As it was, many of these subs were taken through thin high cloud which put a great glow around Merak.  Merak is the brightest star and to the right we have the Broken Engagement Ring.  To the lower left we have Messier 108 and Messier 97 (The Owl nebula) – in the background there are dozens of faint fuzzies.  Only 18 subs at 4-minutes per sub for each frame using all 3 scopes and cameras – so managed the job in the hour, and got a half reasonable image at the end of it which was very surprising :)

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Last night I managed to get another 11 x 20-minute subs on this region to go with the 7 x 20-minute subs I got a few days ago.  This shows Coddington’s nebula – which is actually an irregular galaxy – and towards the bottom left is a large red Carbon star V Y Ursae Majoris.  The star’s name gives it away, these are to be found in Ursa Major.  Blazing Moon last night didn’t help with trying to improve the dataset – but even so there are traces of the Integrated Flux Nebula coming through which is to be expected as it is pretty dense in this region (close to M81 & M82).

 

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A few posts below I gave a procedure on collimating your imaging camera to a Hyperstar III.  On reflection I thought that this could be considered as so much “hot air” without results to prove the procedure actually works.  So a few nights ago I fired up the Hyperstar III and ran through the collimation procedure with a nicely flattened M25C OSC CCD.  I flattened the M25C chip using the procedure described on the Starlight Xpress web site.  The results of around 45-minutes of collimation adjustments are given below, and the results speak for themselves :)

A larger view of the results can be seen here:

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Here is second light for the 3 x Sky 90 mini-WASP parallel imaging array.  This is open cluster NGC7789 near Caph in Cassiopeia.

The image is 18 x 15-minute subs or a total data time of 4 and a half hours with only 1 and a half hours of actual imaging time.

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