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Michael G7VJR

@clublog.org
987 followers 896 following 588 posts

Author of Club Log, a web and app-based application that analyses log files from a global community of radio amateurs. status.clublog.org

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Michael G7VJR @clublog.org · 11/10/2026
The Triangulum galaxy last night. I'll follow up with a hydrogen imaging night which will add a lot of interest, but it's pretty in broadband! 🔭
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Michael G7VJR @clublog.org · 08/10/2026
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Michael G7VJR @clublog.org · 05/10/2026
Start with the wizard's hat and then see him "casting" a few big blobs to the right... :) It's awesome
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Michael G7VJR @clublog.org · 04/10/2026
Club Log expedition charts have been modernised (to match the mobile app). Changes now live.
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Michael G7VJR @clublog.org · 03/10/2026
The Club Log mobile app now includes DX-World forthcoming activity calendar. Many thanks to the amazing team at DX-World for the collaboration, and their generosity sharing what's expected in the world of DXing! www.dx-world.net App download links: clublog.org/app.php
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Michael G7VJR @clublog.org · 02/10/2026
A clear night gave me the chance to finish the Heart Nebula project. Last night I got the extra data needed for the Hubble palette. The blue region is oxygen, red is hydrogen, and the green is sulphur.
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Michael G7VJR @clublog.org · 22/09/2026
The Heart Nebula - IC 1805 - last night. This is currently using the 'Foraxx' palette - when I have the extra data I'll make a Hubble palette version. Picked this as it's currently on a perfect overhead path - the best! Slightly amazed how bright and big the nebula is.
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Michael G7VJR @clublog.org · 16/09/2026
Conditions last night were just about perfect, so I put the telescope out to capture Andromeda in narrowband. You can really see the hydrogen regions (red) where stars are forming. ✨
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Michael G7VJR @clublog.org · 12/09/2026
Said clock
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Michael G7VJR @clublog.org · 09/09/2026
This might look a bit more 'familiar' although I'm not always keen on chucking colours around. But it's kind of beautiful...
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Michael G7VJR @clublog.org · 09/09/2026
Andromeda, our nearest neighbour last night. M31 is so vast I can only just fit it into a frame on my scope (with a reducer!) It's six times bigger than the moon by width - if we could only see it by eye. We see a smudge on dark nights. Also M32 (above) and M110 (below). @kat-astro-bot.bsky.social
Astrophoto of Andromeda, M31
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Michael G7VJR @clublog.org · 24/08/2026
This object is a little too small for my setup (a large newtonian reflector would do it justice). It sits in a beautiful region, though, and I do get to see M51 in the scene (the cluster to the lower left) as well as some other clouds of gases. This was a tougher target than I was expecting!
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Michael G7VJR @clublog.org · 24/08/2026
I spent a few extra nights taking just SII+OIII narrowband on NGC 7635 (the Bubble Nebula). Using the Hubble palette, this lets the true nature of the oxygen shell show in blue. 21h of imaging - but great to see it not looking pure red!
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Michael G7VJR @clublog.org · 17/08/2026
Fixed in next build
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Michael G7VJR @clublog.org · 14/08/2026
A closer look just at the hydrogen here
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Michael G7VJR @clublog.org · 14/08/2026
I had a good look at the Bubble Nebula (NGC 7365) over the past few nights while it was clear. It sits in a huge hydrogen alpha region (red) - so much so there's only a little finger of black space here. It's not sensor dust! 🤯 A monochrome rig to show the oxygen in blue. Wonderful to study!
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Michael G7VJR @clublog.org · 14/08/2026
Club Log app update: iOS app is queued for review and release with Apple. The Android build is coming together and is a native (Kotlin) rebuild, starting to look good! There is so much excitement for this (I've never seen a beta fill so fast). Load tested the server layer...🫣 👍
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Michael G7VJR @clublog.org · 12/08/2026
It was pretty!
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Michael G7VJR @clublog.org · 28/07/2026
Palm Pilot for me. But even earlier, a Sharp PC1403 - which is this...I still love it I have to say. For whatever reason, even if I just need a calculator, I reach for this. The keys are brilliant and it does everything without fuss (and a lot more, most of which I've forgotten!).
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Michael G7VJR @clublog.org · 28/07/2026
This is pretty wild. 22 languages - a lot of QA to do...
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Michael G7VJR @clublog.org · 26/07/2026
Spoiler alert
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Michael G7VJR @clublog.org · 18/07/2026
Building a watchOS app that connects to NINA and shows your guiding stats in rel time. Relives me from spending the small hours looking at a laptop display, seems really useful. Anyone interested in using this? It'll be in the app store and free soon
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Michael G7VJR @clublog.org · 14/07/2026
As hoped, I added about 2.5h of narrowband (hydrogen and oxygen) data to this stack with another short imaging session. I'd love to boost this up to 12h+ but it will have to wait. Still, hopefully if you couldn't see the wizard before, you can now?
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Michael G7VJR @clublog.org · 10/07/2026
Ah! That *does* look good. Have a great night, this should be amazing.
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Michael G7VJR @clublog.org · 09/07/2026
The Wizard nebula last night. Summer's short nights are a major constraint - this is from just 3 hours of data, which is honestly barely enough for a faint DSO like this. A great test run of NINA though. I will add some extra hours to this soon.
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Michael G7VJR @clublog.org · 09/07/2026
Turning all my astronomy needs into a macOS app. Mac silicon outperforms (e.g. 60 megapixel FITS load instantly!). With this taking shape, I'm now adding data science ideas with UIs which I can't find in mainstream apps, like this one - grading frames for SNR contribution.
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Michael G7VJR @clublog.org · 07/07/2026
Sensor tilt from a FWHM heat map done. This is quite an interesting project now...
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Michael G7VJR @clublog.org · 05/07/2026
Writing a little tool to explore field flatness. I chose this image from my 14mm wide angle lens as a test - very cool. Building a little macOS app for all my needs and this is going in for sure
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Michael G7VJR @clublog.org · 04/07/2026
Having a go using NINA for the first time (moving away from ZWO). It's been a steep learning curve! I had a quick test run of just 20 minutes on the Pelican Nebula. Surprised to see quite a bit of detail- normally these take hours and hours to stack. Looking forward to longer nights later in summer.
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Michael G7VJR @clublog.org · 24/06/2026
Sheep are fearless! Near Neist Point
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Michael G7VJR @clublog.org · 22/06/2026
Impressive jet fly by today!
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Michael G7VJR @clublog.org · 24/05/2026
The moon in the summer twilight last night
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Michael G7VJR @clublog.org · 22/05/2026
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Michael G7VJR @clublog.org · 22/05/2026
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Michael G7VJR @clublog.org · 22/05/2026
Added light and dark mode (plus automatic with local time) and unified the styling of the new DX Dashboard and Livestreams. This is clearer to me but also works on mobile devices correctly, which was a major gap before.
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Michael G7VJR @clublog.org · 21/05/2026
New Club Log feature beta test. clublog.org/dx-dash/C21TS (replace C21TS with your own callsign to try it). Looking for bugs/issues with this
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Michael G7VJR @clublog.org · 13/05/2026
Decent stargazing! Short nights put the brakes on any serious imaging, but it's lovely out there.
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Michael G7VJR @clublog.org · 21/04/2026
Looking at clear skies and a beautiful Moon
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Michael G7VJR @clublog.org · 09/04/2026
M51, the whirlpool...
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Michael G7VJR @clublog.org · 08/04/2026
Bode's Galaxy (14 hours). A lovely galaxy that's just within reach for my refractor telescope ✨
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Michael G7VJR @clublog.org · 03/04/2026
Looking after this wonderful hound for the weekend. Nice to have a dog around again!
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Michael G7VJR @clublog.org · 28/03/2026
AM5N performance is fantastic when conditions allow!
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Michael G7VJR @clublog.org · 22/03/2026
Also, new moon!
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Michael G7VJR @clublog.org · 22/03/2026
M105 under a very clear sky that went rather damp around 1am. About 4 hours of stacking - a few extra galaxies here I'm hoping @kat-astro-bot.bsky.social will ID for me
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Michael G7VJR @clublog.org · 19/03/2026
Caldwell 38 Needle galaxy, plus its companions. This is about seven hours of data, taken fully automatically including all sorts of meridian flipping, focusing and recalibrating guiding all done while I was asleep. Helpful for a work day! @kat-astro-bot.bsky.social what do you see?
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Michael G7VJR @clublog.org · 18/03/2026
Ah, it's a shame the ICC colour profile has been stripped, as it looks flat. Here's the image mapped to sRGB...
Colourfil
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Michael G7VJR @clublog.org · 18/03/2026
Took my last chance to get a solid set of images of NGC2024 last night, as it was so amazingly clear. This beautiful patch of sky is more or less vanishing for spring, not to return for some time, so I'm glad I did 🤩 (126/f7, about 4 hours of subs)
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Michael G7VJR @clublog.org · 13/03/2026
Markarian's Chain - ridiculous number of galaxies in a 1 degree patch of sky. I only spent 1 hour on this, so much more to do....what a spectacular region!
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Michael G7VJR @clublog.org · 12/03/2026
Last year, I caught a glimpse of M42 (the Orion Nebula) and went down the rabbit hole of astronomy and astrophotography. It's been so much fun getting to a strong setup capable of gathering enough light to reveal the cosmos. Here's a then and now comparison in two images!
M42 on a 900mm refractor, ZWO cooled camera, guided mountM42 taken on a 200mm f2.8 lens, Sony Alpha 7 with a basic tracking mount
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Michael G7VJR @clublog.org · 11/03/2026
J51A is probably the most intense, most workable expedition there's been. Any mode, any band. Truly impressive!
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