Astronomy every Thursday
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NGC 2301 is an Open cluster in Monoseros
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About a dozen members used the 16" telescope over the Christmas period with Keith providing a demonstration of the set-up and use of the new CCD.
The evening ended with cloud relatively early but they did get 10 light frames and below is a stack of these using Astro Pixel Processor.
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Image by CMHASD Members. 16" LX200, total of 360s unfiltered.[/caption]
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The Pacman Nebula, NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm. It is 20×30 arcmin in size.
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Image by Neil Webster - No Details Provided[/caption]
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In April 2019 Mars was close to M45 (the Pleiades) and NGC 1499 and this coincided with the Kelling Heath Star Party. Unfortunately at this time of year Taurus is very low, setting in the late evening making this a difficult object to image, my attempts to stack and then process with Deep Sky Stacker were hopeless, so I turned to Astro Pixel Processor (using a 30 day free trial) which has a very easy to use light pollution killer, this allowed me to remove the gradient that resulted from the very low elevation and trees that crept into the field.
Total exposure is 84 minutes, from 30s subs. Tracking was achieved with an iOptron Star tracker, camera was a Canon 600D with a full spectrum mod and a CLSCCD clip-in filter.
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NGC 7789, known as Carolines Rose, is an open cluster in Cassiopeia that was discovered by Caroline Herschel in 1783.
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NGC 6946, known as the Fireworks Galaxy is a face-on intermediate spiral galaxy with a small bright nucleus.
Discovered by William Herschel on 9 September 1798,
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Open Cluster in Vulpecula.
The cluster is bright enough to be seen even with small binoculars, which can partially resolve it.
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Altair Astro 115 APO, NEQ6, Canon 600D, ISO800, f/7, ZWO ASI385MC
Exposure 35x 120s
St Marys Platt, England
2018/10/06
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NGC 6811 is an open cluster in the constellation of Cygnus. It has an angular size half that of the full Moon and includes about 1000 stars of roughly similar magnitude. It has also been called "The Hole in the Cluster" because of its dark centre.
It appears as a hazy patch in 10x binoculars, but it is best seen at around 70x with a moderate-aperture telescope.
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'Hole in a Cluster'
Altair Astro 115 APO, NEQ6, Canon 600D, ZWO AS1385 MC, ISO 800, f/7
Exposure: 26x 180s
St Marys Platt, England
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