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Martin Schoenmaker

@koplamp.bsky.social
111 followers 143 following 103 posts

Autodidact Acappella Addict and Astronerd Follow my astro-adventures on YouTube or Insta: ▶️ youtube.com/koplamp 🎞️ instagram.com/astrokoplamp

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Martin Schoenmaker @koplamp.bsky.social · 17/08/2026
I had a camera running throughout the entire thing and I uploaded an excerpt of 5 mins around totality. (English subtitles are available) You can find it on YouTube: www.youtube.com/watch?v=aNzp...
youtube.com
The 2026 eclipse in Spain - realtime video
YouTube video by Martin Schoenmaker
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Martin Schoenmaker @koplamp.bsky.social · 17/08/2026
I was in #spain for the #eclipse too! You've probably been bombarded with eclipse spam already. But I think I have something interesting for those who haven't seen it, but want to experience it a bit too. (1/2)
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Martin Schoenmaker @koplamp.bsky.social · 28/06/2026
A new hobby? Something different from my usual #astrophotography, that is sure. I just picked up a normal pencil and a blank sheet out of my printer and drew my beautiful wife 🥰 #drawing, #pencil, #portrait
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Reposted by Martin Schoenmaker
Chris Lintott @chrislintott.bsky.social · 06/04/2026
Amateur astronomers with telescopes equipped with video cameras are requested to look for impact flashes on the Moon tonight, to coordinate with #ArtemisII observations. Details here: www.geodes.umd.edu/impactflash
geodes.umd.edu
Impact Flash! - GEODES: Geophysical Exploration of the Dynamics and Evolution of the Solar System
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Martin Schoenmaker @koplamp.bsky.social · 05/04/2026
Thread 5/5 If we mark the circumference of the earth we can see what was hiding behind it. #moon #artemis #nasa #astrophotography @esa.int
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Martin Schoenmaker @koplamp.bsky.social · 05/04/2026
Thread 4/5 The image on top of a manually aligned Stellarium screenshot. #moon #artemis #nasa #astrophotography @esa.int
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Martin Schoenmaker @koplamp.bsky.social · 05/04/2026
Thread 3/5 An annotated version of the image, pointing out a few interesting features. #moon #artemis #nasa #astrophotography @esa.int
This image highlights the Aurora visible on the North and South limb of the planet. Also the zodiacal light is visible. The planet Venus is the brightest starlike object in the top left.
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Martin Schoenmaker @koplamp.bsky.social · 05/04/2026
Thread 2/5 The reprocessed image, rotated to a world view that I am more accustomed with 😅 #moon #artemis #nasa #astrophotography @esa.int
The Earth as seen from the Artemis 2 mission. Because the night side is lit by the full moon the city lights are visible too. We see the north of Africa and Spain. On the left we can barely make out the American continent as it is quite cloudy there.
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Martin Schoenmaker @koplamp.bsky.social · 05/04/2026
Thread 1/5 I downloaded the Hello World image and after some tweaks placed it in it’s starry context on a Stellarium screenshot. Awesome shot by Reid Wiseman from the Orion spacecraft on its way to the Moon www.instagram.com/reel/DWuVODb... #moon #artemis #nasa #astrophotography @esa.int
instagram.com
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Martin Schoenmaker @koplamp.bsky.social · 22/03/2026
I was on that nebula too last week. Didn't like the outcome yet... so it is still in the processing phase. 38x 300s EdgeHD 9.25" at f/7 (1733mm) with the ASI294MC Pro camera and an L-eXtreme filter (Ha / OIII 3nm). Stacked and processed in Siril, separately extracting Ha and OIII from the raw data
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Martin Schoenmaker @koplamp.bsky.social · 06/03/2026
The Monkey Head Nebula (NGC 2174) in HOO 🐒✨ It has been soo long since I shared an #astrophoto on this platform. Still WIP, but I think it is coming along nicely. Used: Siril, Sycon Starless, GraXpert denoise and deconv and a bit of Photoshop. Shot in two panels with my Celestron EdgeHD 9.25"
Monkey Head Nebula in HOO palette
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Martin Schoenmaker @koplamp.bsky.social · 25/01/2026
Finally did some #astrophotography again. The Boogey Man Nebula. Quite a difficult target to get it to show itself. telescopius.com/pictures/vie...
telescopius.com
VDB 63, VDB 62, Boogie Man Nebula, HH 113 and HH 122 - astrophotography by schoenmaker
I don't know whether it is my editing skills or just a wrong balance of subs, but this object proved to be quite a challenge to edit to this result. I hoped that a massive amount of luminance data wou...
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Martin Schoenmaker @koplamp.bsky.social · 24/01/2026
Fotografie is hot inderdaad. Voor wie wat Noord-Oostelijk in Nederland zit en ook kennis wil maken met #astrofotografie kan terecht bij de Cosmos Sterrenwacht in Twente. sterrenwachtcosmos.nl/astrofotogra...
sterrenwachtcosmos.nl
Astrofotografie voor beginners
Astrofotografie is een vorm van fotografie waarbij men zich richt op het fotograferen van objecten aan de sterrenhemel. Voorbeelden hiervan zijn foto’s van de Melkweg, sterrenbeelden, de maan, planete...
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Martin Schoenmaker @koplamp.bsky.social · 06/01/2026
This is such an insightful post every year. Thanks @cbassa.bsky.social! My screenshot of the zoomable version also shows how I spent Christmas this year. Thanks to my automated setup I was able to combine spending time at family with doing #astrophotography in my garden at home ;-)
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Martin Schoenmaker @koplamp.bsky.social · 06/01/2026
The problem (I feel) with my edit is that I still have too few subs to properly get rid of satellite trails. Same issue with an image I shot of the Witch Head Nebula. The Orion area is a pain due to the geostationary satellites all passing by continuously.
Witch head nebula in LRGBZoomed in version of the Witch Head which shows a remnant of red green and blue streaks, where geostationary satellites moved through the frame
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Martin Schoenmaker @koplamp.bsky.social · 05/01/2026
I always feel the same with that object. This is my last attempt on it. 3 nights (24th till 26th of december); 85 x 180s with a 294MC Pro on the EdgeHD 9.25" at f/7 (1733mm). Also Bortle 6/7. It is these kinds of images that probably show my lack of editing skills. #astrophotography
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Martin Schoenmaker @koplamp.bsky.social · 15/11/2025
It continues to impress me, those landing rockets. New Glenn reminds me - even more than Falcon or Starship - of the Thunderbirds.
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Martin Schoenmaker @koplamp.bsky.social · 15/11/2025
Goedemorgen. Het eerste wat ik dacht te zien was een telescoop met een automatische flatpanel... Hobby-deformatie ;-)
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Martin Schoenmaker @koplamp.bsky.social · 04/09/2025
You are obviously in Australia… everything has a spider probably 😅
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Martin Schoenmaker @koplamp.bsky.social · 04/09/2025
Even your cassegrain has a spider…
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Reposted by Martin Schoenmaker
Daniel Pomarède @pomarede.bsky.social · 21/07/2025
Gemini North telescope in Hawai‘i reveals never-before-seen companion to Betelgeuse, solving millennia-old mystery noirlab.edu/public/news/... 🧪🔭 Credit image :International Gemini Observatory/NOIRLab/NSF/AURA; Image Processing: M. Zamani (NSF NOIRLab)
The star field in the Orion Constellation. An inset shows Betelgeuse and Its stellar companion.
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Martin Schoenmaker @koplamp.bsky.social · 14/07/2025
That is a whole lot more impressive than my DuoLingo streak 😅 💪👍
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Martin Schoenmaker @koplamp.bsky.social · 02/07/2025
@dylanodonnell.bsky.social I was in London for work and found something that made me think of you
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Martin Schoenmaker @koplamp.bsky.social · 02/07/2025
@dylanodonnell.bsky.social I was in London for work and found something that made me think of you
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Martin Schoenmaker @koplamp.bsky.social · 24/06/2025
Hi there. A bit of #astrophotography madness for you. Did you know that mounting a reducer on an @celestronuniverse.bsky.social #EdgeHD925 can be a challenge? When there is a #ZWO #EAF mounted too, you need to reduce the bracket as well. #hacksaw youtu.be/5hUqAVTlH88
youtu.be
Mounting a reducer on the EdgeHD 9.25" together with an ZWO EAF and Celestron OAG - using a hacksaw
YouTube video by Martin Schoenmaker
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Martin Schoenmaker @koplamp.bsky.social · 20/06/2025
In the photo it is about at it’s highest 🫣 11.3° according to my app.
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Martin Schoenmaker @koplamp.bsky.social · 19/06/2025
That looks great! I have so far had two attempts at this target, but I am not satisfied yet. Need to find a spot where there is no light dome in that exact direction.
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Martin Schoenmaker @koplamp.bsky.social · 18/06/2025
Ook een goedemorgen gewenst!
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Martin Schoenmaker @koplamp.bsky.social · 17/06/2025
But now with the reducer it fits and I got a nice #firstlight Mounting the reducer required the use of a hacksaw 😳 I’ll make a video of the footage I shot of that process. The things you do for #astrophotography
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Martin Schoenmaker @koplamp.bsky.social · 17/06/2025
Last week I attempted WR134 in Cygnus. It couldn’t fit in my FOV without doing mosaics at f/10. An initial test stack got me to this. 4 panels as is painfully clear from all challenges I got to endure. #astrophotography
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Martin Schoenmaker @koplamp.bsky.social · 17/06/2025
Should’ve done this much earlier. I got a 9.25” @celestronuniverse.bsky.social #EdgeHD in july 2023. But it wasn’t until last night that I mounted the 0.7x reducer. youtu.be/i9SymknulPk
youtu.be
My EdgeHD got an enlargement - mounting EAF, OAG and ASI294MC Pro and then image the Moon.
YouTube video by Martin Schoenmaker
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Martin Schoenmaker @koplamp.bsky.social · 10/06/2025
Working on a YouTube video about #astrophotography at a 5000 year old burial site in the Netherlands. Will take some time still as I am also learning #davinciresolve for this vid.
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Martin Schoenmaker @koplamp.bsky.social · 08/06/2025
So sad, that this magnificent plane is in ruins now...
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Reposted by Martin Schoenmaker
Corey S. Powell @coreyspowell.bsky.social · 25/05/2025
This movie shows the bubbling surface of a distant star, as captured with unprecedented clarity by the ALMA observatory. R Doradus is a huge star. Each of these bubbles is 50-75 times the diameter of our entire Sun! 🧪🔭 www.almaobservatory.org/en/press-rel...
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Martin Schoenmaker @koplamp.bsky.social · 24/05/2025
You sir, are a machine. I still have to make my 100th post since moving from the Blue Bird to this platform. I guess my content of Astrophotography isn't as interesting as yours. ;-) Or I post too few images.
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Martin Schoenmaker @koplamp.bsky.social · 23/05/2025
How is your #Dutch? And you like #astronomy? Know @sterrenstofnieuws.bsky.social already? In their latest podcast (48) they suggest the #astrophotography enthusiasts amongst their listeners to shoot + share images of M90, a spiral #galaxy in Virgo. Here is my attempt telescopius.com/pictures/vie...
telescopius.com
M 90 and IC 3583 - astrophotography by schoenmaker
Sterrenstof is a Dutch Astronomy podcast that tells the story of Astronomy targeting a wide public. In episode 48 they suggested the astrophotographers among their listeners to shoot and share images ...
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Martin Schoenmaker @koplamp.bsky.social · 23/05/2025
I was at the #ATT in Essen, Germany. Europe's biggest expo, according to themselves. I made a video touring the event. Were you there too? Did I miss anything? Feel free to leave me suggestions for next years edition on May 9th 2026 www.youtube.com/watch?v=3nOU... #astronomy #astrophotography
youtube.com
May 2025, The ATT in Essen - An impression
YouTube video by Martin Schoenmaker
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Martin Schoenmaker @koplamp.bsky.social · 05/05/2025
My M51 project obsessive data mongering is done (for now). Curiously it was only the 4th time I was imaging this very well-known target. As I have only been sharing the crop, I thought to also show the full field of view. telescopius.com/pictures/vie... #astrophotography #astronomy #celestron
telescopius.com
Whirlpool Galaxy, NGC 5195, IC 4278 and IC 4277 - astrophotography by schoenmaker
In preparation of an article about comparing your own images to those of the famous Hubble Space Telescope, I embarked on this project where a comparison between my image and that of the Hubble, make ...
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Martin Schoenmaker @koplamp.bsky.social · 04/05/2025
Need to play with my data a bit more, but I am thoroughly impressed with the new @siril.org and its ability to stack and stitch mosaics.
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Martin Schoenmaker @koplamp.bsky.social · 03/05/2025
Editing my data of M51, I tried pushing it to the extremes. I still think it is awesome to see so much resemblance between my @celestronuniverse.bsky.social backyard image and that of @stsci.edu #HST Hubble Space Telescope. #astrophotography #astronomy #parallax #stars
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Martin Schoenmaker @koplamp.bsky.social · 26/04/2025
On Instagram I share a view of how the explosion resulting in The Crab Nebula, might have looked. #astrophotography #astronomy www.instagram.com/reel/DI7NvZE...
instagram.com
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Martin Schoenmaker @koplamp.bsky.social · 25/04/2025
Expansion of M1, the Crab nebula over 20 years. #astronomy #astrophotography My @celestronuniverse.bsky.social EdgeHD 9.25" compared to the @stsci.edu Hubble Space Telescope
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Martin Schoenmaker @koplamp.bsky.social · 23/04/2025
Makes me want to read "Rendevous with Rama" again. Would've been cool if that gets turned into a movie.
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Martin Schoenmaker @koplamp.bsky.social · 21/04/2025
I am still enjoying to compare my own #astrophotography images to those of the #HST and #JWST run by @spacetelescope.bsky.social. I improved an edit I did on Stephan's Quintet. 95x180s @celestronuniverse.bsky.social EHD9.25" ASI294MC Pro L-Pro filter.
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Martin Schoenmaker @koplamp.bsky.social · 21/04/2025
I am primarily using @siril.org Still need to look into extracting Ha from my L-eXtreme data and subtracting continuum from it. I think that last part will allow me to add it more naturally to my OSC data.
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Martin Schoenmaker @koplamp.bsky.social · 21/04/2025
I think it looks great already! I still have to complete my processing. Struggling with adding Ha to the data…
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Martin Schoenmaker @koplamp.bsky.social · 18/04/2025
For this one it came out to be 368.6 ± 0.7 light-years
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Martin Schoenmaker @koplamp.bsky.social · 18/04/2025
Great. Using the parallax value (8.3202 mas) I could calculate the distance to be 392 light-years. The error (0.1113 mas) gave an error margin of +/- 5 light-years.
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Martin Schoenmaker @koplamp.bsky.social · 18/04/2025
The other star I cannot identify. Using Aladin, the closest match seems to be [HL2008] 79870, which is catalogued as a cluster of stars. That can't be the object I see moving, can it? simbad.u-strasbg.fr/simbad/sim-i... How should I find details like the distance of these stars?
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Martin Schoenmaker @koplamp.bsky.social · 18/04/2025
The brightest of the two (the one on the bottom left) seems to be GSC 03460-00444 simbad.u-strasbg.fr/simbad/sim-i... I would like to know the distance, but so far I've only come across another website, mentioning it to be 370ly distant (www.armandpien.be/post/draaiko...)
armandpien.be
Draaikolknevel Messier 51
Opname van Draaikolknevel  Messier 51 in Canes Venatici op 9 april 2024Opname Chris De Pauw. Beeldbewerking Alexander Reinartz en Stijn Orlans  (Werkgroep astrofotografie UGent Volkssterrenwacht Arman...
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