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Citizen Science: Photometry with the Celestron Origin and Siril
By Stephen Dow and James Paulson With special thanks to Richard Berry for his guidance and insight on this endeavour. FORWARD This project came about because of a single slide in a presentation delivered by Eric of Celestron on his appearance on the ZOOM ASTRONOMY TALK meeting that we run once a month. When we asked Eric about the light curve on the slide, Eric reached out to a fellow by the name of Richard Berry of the AAVSO to see if we could learn more direct from him sinc

James Paulson
Jan 16 min read


The Road to Better Data
In several articles, I have discussed things we can do to improve the quality of our results. The last article on this site that was co-written with my friend Stephen Dow dissected a lot of things unique to the Celestron Origin, but all of which could be applied to any fixed data collection system, where you conduct experiments with the intent of collecting information to tweak a system. Let’s talk about signal to noise ratio and what exactly this means and why it matters.

James Paulson
Dec 16, 20253 min read


A Guide to Determining ISO and Exposure with the Celestron Origin
Authored by Stephen Dow and James Paulson We have been experimenting together for a couple of months now making all kinds of mistakes to learn this new device called Origin and its needs. We have been working together in tandem through any challenges we run into. We have come up with some general guidelines and observations on how best to expose various targets on the Celestron Origin using both the 178C and 678C camera. Here in a nutshell is our very basic starter guide. P

James Paulson
Dec 5, 20256 min read


The Imagination That Astronomy Reveals
For those of us who study this hobby called amateur astronomy, I think sometimes we forget some things that are right in front of us. Or perhaps we just never quite understand them. They really deserve to sit beside each other in an article to evoke those ideas though. Let’s begin When you look out at the night sky, night after night, season after season, year after year, you don’t see chaos. What you see is predictability, a sense of calm, of relaxation, of time spent with

James Paulson
Nov 20, 20253 min read


Why Struggle?
Why do we put new users through the funnel of “my experience” and bad "advice?" What do you call bad advice? Is bad advice telling new people to the hobby that they should not buy a telescope, but rather learn star charts and naked eye observing, and then binoculars and finally move to "push to" Dobsonian scopes, Telrads, pocket-charts and finally after we master all of this, you might move to wide field astrophotography and finally then and only then when you need a mount

James Paulson
Nov 5, 20254 min read


Celestron Origin Update
People have been asking me how I like the Celestron Origin. I will be honest. I really like it. I like it enough that I have listed my C8, my Hyperstar and my EQ6 up for sale because I won’t use it much anymore at all, and someone might as well enjoy it. The only thing I do not like about the Origin and it’s not that big of a deal yet because I think it is more of a training issue than a technical issue is how the dovetail meshes with the mount and tightens. To me it is fla

James Paulson
Oct 15, 20252 min read


Southern Alberta Star Party 2025
Our annual Southern Alberta Star Party (SASP) was held this year from Sunday, September 21 st to Friday September 26 th at the...

James Paulson
Oct 2, 20253 min read


Life on Mars?
NASA’s Perseverance Rover has collected some interesting results lately. Collecting samples from an ancient dry riverbed in Jezero...

James Paulson
Sep 18, 20251 min read


I Bought a Celestron Origin
I’ve been going back and forth on this idea for a while now about buying a Celestron Origin. I am going to tell you how I arrived at the...

James Paulson
Sep 5, 20252 min read


SSSP 2025
Last week I attended the Saskatchewan Summer Star Party in Cypress Hills, Saskatchewan. I wanted to go and set up my tent with my big rig...

James Paulson
Aug 25, 20253 min read


What is ZOOM ASTRONOMY TALK?
My lack of originality in naming this is profound, but I wanted people to understand the platform and the subject. It is astronomy talk...

James Paulson
Aug 12, 20252 min read


Updating the Firmware on the AM3 Mount
I wanted to write a blog article on this process to hopefully save others some time because I have been down this road twice, and it is...

James Paulson
Aug 8, 20253 min read


Taking Great Images
People ask what the secret is to getting great images. First off there is no secret. There are processes that we all follow and refine...

James Paulson
Aug 6, 20252 min read


Tried and True Workhorse – The “EQ6” Mount
I realize there are a lot of amateurs out there that have moved on in their mounts. Whether they are using ASTROPHYSICS and their line of...

James Paulson
Jul 31, 20252 min read


Achieve Better Seestar S50 Results
When I bought my S50 in the Summer of 2024, I really didn’t hold high expectations for this little scope. It’s a first-generation smart...

James Paulson
Jul 28, 20252 min read


Colonizing Mars
Lately there has been a lot of hype in the media about travelling to Mars with the intent of colonizing it. Without naming any specific...

James Paulson
Jul 18, 20251 min read


A New Discovery in the Solar System
Image By Nrco0e - Own work, CC BY-SA 4.0, Those pesky astronomers have been at it again. They have been out uncovering new things that...

James Paulson
Jul 16, 20252 min read


Antlia Tr-Band RGB Ultra filter
I recently purchased an Antlia Tri-Band Ultra 2 inch filter for use with my Hyperstar 8. I did it based on advice that I received...

James Paulson
Jul 14, 20252 min read


The Risk of Space Debris
How often is it that we are shooting images, only to discover a satellite trail through the image? It’s annoying when you see that but...

James Paulson
Jul 13, 20252 min read


Preparing for Annual Star Parties – Creature Comfort
Spring is here again, summer begins in one month, and that means that star party season is not far off. We all love those multi-evening...

James Paulson
May 27, 20253 min read
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