Tag Archives: ASI1600mm Pro

M1: The Crab Nebula in Taurus in SHO

Posted on December 19, 2021 by paul

I first imaged this supernova remnant back in 2005 using a modified web-cam. I tried again is 2012 with a DSLR: I was very pleased with the results then but my recent efforts (Dec 2021) are significantly better as they … Continue reading →

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The Horsehead nebula in Orion – (Barnard 33, in the region of IC 434)

Posted on December 13, 2021 by paul

This is a tricky target from my back yard, I only have about a 50-minute window between some trees to capture this. Imaged on a windy night the stars are not a great shape but I can live with that. … Continue reading →

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Comparison of ZWO 7nm Oiii (2018 version) versus Baader 6.5nm Narrow Band OIII Filter – CMOS Optimised (2021)

Posted on October 31, 2021 by paul

Earlier this year purchased a ZWO ASI1600mm Pro + 36mm 7-position filter-wheel complete with the LRGBNB filter set. The ZWO filters represent very good value and I have had a lot of fun with them. However, of the set the … Continue reading →

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The Crescent Nebula NGC6888

Posted on October 26, 2021 by paul

This is was my first image of the 2021 season after a long break. It’s the result of two nights of roughly 1hr total for LRGB, 2hrs Ha and 5hrs Oiii.  I’ve been practicing with methods to combine the images… LRGB subs … Continue reading →

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The Wizard Nebula NGC7380 in HOO

Posted on October 23, 2021 by paul

This is the Wizard Nebula. I’m told it is supposed to look like a wizard in a pointed hat and gown with open arms. I imaged this over two nights under very bad weather conditions and a bright moon. I … Continue reading →

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The Cocoon Nebula IC5146

Posted on October 17, 2021 by paul

After cleaning and correctly(!) fitting my LRGB filters I decided to go a for a bright broadband target. Clouds, moon and poor seeing did not help but I managed about 45 mins each for RGB and Ha – shot with the ASI1600mm. … Continue reading →

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Now take my Soul, IC1848 the Soul nebula in SHO

Posted on September 28, 2021 by paul

Right next to the Heart ( IC1805 The Heart Nebula – SHO) you will find the Soul. This was trickier for me to process than the Heart nebula. Although it was clear, conditions were not great and I had few … Continue reading →

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IC1805 The Heart Nebula – SHO

Posted on September 25, 2021 by paul

This is my first imaging season using narrow band filters on a mono camera. I’m enjoying the freedom to image and not fight moonlight or light pollution from the city. The Heart nebula (IC1805) is in the constellation of Cassiopeia. … Continue reading →

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The NorthAmerican Nebula NGC7000 in SHO

Posted on September 25, 2021 by paul

This image is the result of 13 hrs of imaging. I still have much to learn about image processing but I am quite happy with this result. The S1, Ha and Oiii subs were 120s @gain 200 to avoid burning … Continue reading →

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SH2-101 The Tulip Nebula

Posted on September 15, 2021 by paul

I imaged this nebula over 2 nights, several weeks ago in August but I had a terrible time processing the data. I was convinced I had some issues with my flats and then my subs. Then I was sure I … Continue reading →

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