Imaging Projects

In this blog, I will share the results of all of my imaging projects. The newest will be at the top and the oldest will be further down the stack. Going back in time here is interesting - some of my early stuff was pretty rough - but I did not see it that way at the time - I was thrilled to get anything back that looked like an image! Hopefully, you will see how my work has progressed with time!

Messier 27 - A Reprocess of My Dumbbell Nebula Data in SHO - (10.25 Hours)
Patrick A. Cosgrove Patrick A. Cosgrove

Messier 27 - A Reprocess of My Dumbbell Nebula Data in SHO - (10.25 Hours)

This imaging project is not a recapture of data for M27 - the Dumbell Nebula. Rather it is an effort to reprocess old data using new tools and new processing methods to address some concerns I had about the original image - where I thought that the stars were bloated and unsharp, and that I thought I should be able to bring out more detail in the amazing outer gas shells that narrowband imaging shows for this target.

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Messier 27 - The Dumbbell Nebula in Narrowband - 10.25 Hours
Patrick A. Cosgrove Patrick A. Cosgrove

Messier 27 - The Dumbbell Nebula in Narrowband - 10.25 Hours

Messier 27 is the well know and often photographed Dumbbell Nebula located about 1200 light-years away in the constellation Vulpecula. This is the third time that I have imaged this object - and this one stands out because it was taken in narrowband with over 10.25 hours of integration! It reveals details that I have rarely seen associated with M27.

This was shot with the AP130 platform using the ZWO ASI2600MM-Pro Camera.

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NGC 6820 and NGC 6823 - An Open Cluster w/Nebula - A Grudge Match…
Gear Patrick A. Cosgrove Gear Patrick A. Cosgrove

NGC 6820 and NGC 6823 - An Open Cluster w/Nebula - A Grudge Match…

Located in the constellation Vulpecula, NGC 6823 is a small open cluster of stars and associated nebula, NGC 6820. The cluster is about 6000 light-years away and measures about 50 light-years across.

A year ago, I shot this, and it was one of the worst images in my collection. I came back again this year to reclaim my honor and vanquish this target foe!

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NGC 6823 & 6820 - An Open Cluster w/Nebula - Quite Possibly The Worst Image I Have Ever Taken!
Gear Patrick A. Cosgrove Gear Patrick A. Cosgrove

NGC 6823 & 6820 - An Open Cluster w/Nebula - Quite Possibly The Worst Image I Have Ever Taken!

Located in the constellation Vulpecula, NGC 6823 is a small open cluster of stars and associated reflection nebula, NGC 6820. The cluster is located about 6000 light-years away and measures about 50 light-years across.

This was one of the worst images I have ever done. Target not carefully chosen, no plan in place, poor shooting conditions. Just a real Bluh Image!

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Messier 27 - The Dumbell Nebula
Gear Patrick A. Cosgrove Gear Patrick A. Cosgrove

Messier 27 - The Dumbell Nebula

Messier 27 is a planetary nebula in the Constellation Vulpecula and is located about 1200 light-years away. M27 is also known as the “Apple Core” nebula and NGC 6853. It's basically a star the blew up between 10,000 and 14,000 years ago, and we get to see its expanding gas cloud. While this object is small, it is twice the size of the Messier 57 (The Ring Nebula) and allows for a bit more detail to be imaged. This was my second attempt at M27, the first being 2019 when I was first starting. See the comparison between the two.

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Messier 27 - The Dumbell Nebula - 2019 Version
Gear Patrick A. Cosgrove Gear Patrick A. Cosgrove

Messier 27 - The Dumbell Nebula - 2019 Version

Messier 27 - the "Dumbbell Nebula". This is a planetary nebula - basically a star that has thrown off its outer shell and we are seeing that gas still expanding around the remaining star. Located in the constellation Vulpecula, M27 is 1360 light-years from Earth.

One of my very first images.

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