The following photos were taken with the help of a “parallel-port” home-built DIY autoguider using a 4-inch refractor  and a 60 mm guidescope. I have since moved to a setup that uses a GPUSB (instead of a parallel port). I am keeping this list as an archive.

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M42 (Orion Nebula), a stack of 10 images, each having 6 minutes exposure time.

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M51 (Whirlpool Galaxy), a stack of 8 images, each having an exposure time of 4 minutes.

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M33 (Pinwheel Galaxy),  a stack of 2 images, each having an exposure time of 90 seconds.

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M81 (Bode’s Galaxy) and M82 (Cigar Galaxy), a stack of 4 images, each having an exposure time of 4 minutes.

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M1 (Crab Nebula), a stack of 2 images, each having an exposure time of 180 seconds.

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M20 (Trifid Nebula), single exposure of 240 seconds

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M8 (Lagoon Nebula), a stack of 2 images, each having an exposure time of 4 minutes.

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M57 (Ring Nebula), a stack of 10 images, each having an exposure time of 60 seconds.

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M27 (Dumbell Nebula), a stack of 5 images, each having an exposure of 90 seconds.

Related articles:
DIY Autoguider (Part 1: Introduction)
DIY Autoguider (Part 2: Setting-up the Guiding Software)
DIY Autoguider (Part 3: Wiring Diagrams)
DIY Autoguider (Part 4: Autoguiding and Polar Alignment)

For featured photos, click here.
For tutorials on how to get started with astrophotography, click here.
For DIY astronomy projects useful for astrophotography, click here.
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© Anthony Urbano (Manila, Philippines)

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