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About this blog

Details of my astronomy related projects.

Entries in this blog

 

Gina's Ultimate All Sky Camera

I'm hoping this is my final and hence "Ultimate" generation of all sky cameras.  Based on the ASI185MC CMOS astro camera and Fujinon fish-eye lens of 1.4mm focal length and f1.8.  Image capture is provided by a Raspberry Pi 3 in conjunction with INDI drivers.  This is used with KStars/Ekos client software running on a Linux Mint desktop indoors.  Communication is via Wi-Fi.  The astro camera is an uncooled version but I have added a Peltier TEC cooler.  This cools the camera down to something like -15°C for night sky imaging with longer exposures of around a minute.  Daytime imaging is also covered using the camera's minimum exposure and gain.  The colour camera differentiates between dark clouds and blue sky and also shows the colours of stars at night. This Blog will describe the construction of the hardware and the special driver coding used to control dew heater, camera cooling and focussing.  

Gina

Gina

 

All Sky Camera Mark 7

This is my latest generation of all sky cameras and based on the ASI178MM followed by ASI185MC CMOS astro camera and a Fujinon fish-eye lens of 1.4mm focal length.  Although rated at f1.8, this lens lets a lot more light through than this would imply.  Image capture is provided by a Raspberry Pi 3 in conjunction with INDI software.  This is used with KStars/Ekos client software running on a Linux Mint desktop indoors.  Communication is via Wi-Fi.  The Mark 6 ASC has proved inadequate after being in use for some time.  This blog will describe the problems of the Mark 6 and report my progress in developing this new version.

Gina

Gina

 

Widefield Single Imaging Rig

This is based on the ZWO ASI1600MM-Cool CMOS astro camera and vintage film SLR camera lenses.  In particular the Asahi Pentax Takumar, Super Takumar and Super Multi-Coated Takumar lenses.  I plan to use this rig for LRGB and where I have only one lens of a particular focal length for NB imaging.  Between these is the ZWO EFWmini filter wheel.

Gina

Gina

 

Widefield Narrowband Dual Imaging Rig

This is a dual imaging rig using two ZWO ASI1600MM-Cool CMOS cameras and matching vintage SLR film camera lenses.  There will be no filter wheel and there will be one fixed filter per camera.  These will be Astrodon 3nm Ha and OIII.  A common 3D printed dew shield will be used.  This rig will be fully remotely operated with remote focussing and mount control using INDI/KStars/Ekos software and a Raspberry Pi to operate the rig.

Gina

Gina

 

Setting up a Raspberry Pi for Astro Imaging and Hardware Control

This is a tutorial explaining how to install an operating system and software into a micro SD card to use in a Raspberry Pi for astro imaging and control of the relevant hardware.  I have copied relevant posts from a thread in the Discussions - Software forum :- Tutorial :- Setting up a Raspberry Pi for Astro Imaging and Hardware Control

Gina

Gina

 

Ha Solar Imaging and Observing Rig

I have just acquired an Ha Solar telescope consisting of an Antares 127mm 1200mm FL telescope with Coronado PST.  I plan to set this up for both observing and imaging.  I have yet to decide on the final mounting for this but will start with a Skywatcher Pillar Mount with an NEQ6 SynScan Pro mount for testing as I want to reserve my EQ8 and main observatory for DSO imaging.

Gina

Gina

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