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30 Galaxies in one image?22 viewsAt this quiet time of year for astronomy I was looking back over previous images and came across one of my very dull and boring galaxy library photos. The galaxy I was imaging is part of the Abell 426 Galaxy Cluster. I wondered how many galaxies were caught in this image in total so I used "The Sky" software to generate a chart of the exact area and then "switched off" all the stars (an option in the software) to leave only the Galaxies behind. The image on the left is my original 60 second image (March 8th 2010) - the one in the centre is not an image but the corresponding chart and the one on the right is the chart showing galaxies only. Most of these galaxies can be seen in the original "boring" image and I estimate I captured over 30 galaxies in that single image - perhaps making it a little less boring! In addition one of these galaxies - NGC 1275 - is also known as C24 and is of particular interest. To find out why go to Page 62 of a book by the well known author- David Ratledge -"Observing the Caldwell Objects" (Caldwell C24)!
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C/2006 OF2 Broughton11 views(Lucky that those two pointers were there to show me where the comet was! ;-)
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26 viewsComet McNaught Animation – the comet moved as shown through Cepheus in the early hours of Thursday 13th May 2010. (Click to run) A series of 45 second images were taken and 23 of these were used to form the animation. (I used every 5th image from the sequence). The time of the first frame was 01:12 U.T. and the 23rd frame was 02:39 U.T. so the comet moved the distance shown (towards the North East) in 87 minutes. The scale of the square image is 11.4 minutes of arc on each side, giving an estimated 4 minutes of arc of movement of the comet giving a speed of 2.7 arc seconds per minute. I had to stop because the sky was brightening as it was actually beginning to get light! (3.39 am BST).
Len Adam
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Horsehead & Flame Nebulae49 viewsTaken on various dates in December with 4 inch Takahashi refractor and Canon 40D.
DR
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The Seahorse and the Jellyfish40 viewsIC 443 is the bright nebula to the west (right) and is known as the Jellyfish. To the east (left) is a dark nebula in the form of a seahorse.
DR
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Dumbbell Nebula - but not as we know it!19 viewsOne of the brightest planetary nebula in the northern sky so normally short exposures are sufficient. However, to record the faint outer reaches much longer exposures are required. DR
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M31 galaxy in Andromeda27 viewsAlso showing M32 and M110.
This was one of my first experiments with the Pentax K110D camera and a 135mm lens.
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M3360 viewsTaken from Lancashire with 4-inch refractor and Canon300D plus the all-important light pollution filter
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Split Personality, M6321 viewsBright spiral galaxy located in Canes Venatici. It is a classic flocculent type of spiral, ie one where its visual appearance has short dis-jointed spiral structure. However, studies of molecular gas in the galaxy reveal long symmetrical spiral arms - a case of split personality! DR.
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The Black Eye Galaxy, M6421 viewsLast of my spring images - the observatory is currently shut for 3 months during the summer light nights.
A collision of two galaxies has created this unusual galaxy with a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its popular name of the "Black Eye" galaxy. A famous HST image reveals the dark band in all its glory but we get a hint of its turbulent motion here. DR
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Galaxy M9419 viewsSpiral galaxy with very bright core situated in constellation Canes Venatici. Until very recently it was believed that the galaxy’s inner spiral region was surrounded by a faint outer ring of stars. However, a recent deep professional image (Jan 2010) clearly shows the outer ring is not a ring at all but a faint spiral arm sweeping far out. My image gives just a hint of this outer spiral structure. DR.
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Moses Gate Fair 200834 viewsOur Solar viewing demonstration, watched by His Worship the Mayor of Bolton
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