Archive for the 'Amateur Astronomy' Category
Sunday, September 28th, 2008
The Heart Nebula (IC 1805) is approximately 6000 light years from earth and appears in the constellation of Cassiopeia. The following image is composed of 60 10-minute Ha-filtered exposures, taken between September 20th and September 26th, 2008. Interior of the Heart Nebula (IC 1805) – Ha Filter Click on the above image to see the […]
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Sunday, September 28th, 2008
The Eagle Nebula (M 16) is approximately 7000 light years from earth. The following image is composed of 69 10-minute Ha-filtered exposures, taken between September 20th and September 26th, 2008. Eagle Nebula (M 16) – Ha Filter Click on the above image to see the full size original. Image Details: Imaging Equipment: WO ZS 80 […]
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Sunday, September 28th, 2008
The Veil Nebula (or Cygnus Loop) appears in the constellation of Cygnus and is approximately 1500 light years from earth. It is the result of a supernova that occurred 5000 to 10000 years ago. The mosaic below shows only a portion of the entire nebular complex, including the Western Veil Nebula (NGC 6960), also known […]
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Sunday, August 3rd, 2008
This is a two panel image of a portion of NGC 6995 in Ha and OIII. The color balance is off at bit, and there are some problems with the color layers not quite lining up correctly, but still, it is not a bad image. Eastern portion of the Veil Nebula (NGC 6995) – Ha/OIII […]
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Wednesday, July 30th, 2008
The following image of NGC 6888 combines the previous Ha image with new OIII data. The OIII data is has definite focus issues, and I think the previous image is better from an aesthetic point of view, but this does show more the OIII portion of the nebula. The Crescent Nebula (NGC 6888) – Ha/OIII […]
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Sunday, July 27th, 2008
Last night’s imaging session was once again NGC 6888, but this time with an OIII filter. Unfortunately the sky became hazy quite early, so the OIII images are very noisy. However, here is what you get when you combine them with the previous Ha images (Ha/synthetic/OIII). The Crescent Nebula (NGC 6888) – Ha/OIII Version 1 […]
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Saturday, July 26th, 2008
In order to get a feel for how long an exposure is actually useful, I’ve been capturing more Ha data for NGC 6888. The following image is composed of 71 10-minutes subs. The Crescent Nebula (NGC 6888) – Version 2 Imaging Equipment: WO ZS 80 II ED, DSI Pro II, Razorback Cooler, Baader 7nm Ha […]
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Thursday, July 24th, 2008
I’m still having some problems with the guiding camera connection randomly failing, but overall the imaging setup is working fairly well at this point. The following image was taken last night (July 23rd, 2008). It is composed of 29 10-minute exposures taken with Baader Ha filter. The Crescent Nebula (NGC 6888) Imaging Equipment: WO ZS […]
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Wednesday, July 23rd, 2008
Three months have passed without any images worth posting. During that time I’ve had multiple problems with the telescope setup that I’ve just recently resolved—if I’m really lucky they will remain resolved. The first problem was an issue with the USB cables connecting the laptop to the cameras. DSI Pro/DSI II Pro cameras, at least […]
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Saturday, April 26th, 2008
Since it is galaxy season, and due to the fact that narrow band filters really don’t do a thing for galaxies, I’ve decided to try capturing some variable stars. The don’t make very interesting images, but they do make interesting graphs once the images are reduced to photometric data and plotted. The first one up […]
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