Oldfield's Observation Log and Astronomy Topics

Welcome to my astronomy blog, I dedicate myself to the simplest form of amateur astronomy which requires only portable equipment. I have two small refractors, two small binoculars, one small GOTO mount and another small equatorial mount, and a small H-alpha solar filter. Originally from a city where the people were proud of their light pollution, that is Hong Kong where I loved. Relocated to the UK since 2021.

Friday, September 26, 2025

20250926 Deep sky imaging resumed

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First time after the long daylight summer, I tried to use a LiFePO4 battery to power the setup. But then the deep sky camera will disconnect...
Monday, September 22, 2025

20250921 Family observation

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Almy said, let's do some stargazing. 85mm refractor, with a large 2" eyepiece for widefield, a 8-24mm zoom and a 3-8mm zoom. Almach...
Tuesday, September 16, 2025

20250916 Sun

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Got some sunshine today, not exactly good but I caught thart moment.   It rains soon after I packed up my stuff.  I have bought a bigger box...
Monday, August 18, 2025

20250817 Sun

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It has been several months since my last imaging session. The weather was nice occasionally, just no energy to pull out the stuff for imagin...
Saturday, May 17, 2025

20250517 Sun (reducer finally works)

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This is a test of equipment, a 1.25" 0.5x focal reducer.  It won't come to focus before, but then I remember that I have a very sho...
Tuesday, May 13, 2025

20250513 Sun

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Didn't pull out my setup for quite long, the thing couldn't get focus properly at first for unknown reason.  I removed the filter an...
Friday, April 18, 2025

20250417 Setting up and testing

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Add a quick release mechanism between the mount and the pillar, need to try out polar alignment so that it could be far faster later. Did a ...
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Oldfield
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