iiinova — where your digital self keeps evolving

Lt Nono @ltno2.bsky.social · 10/10/2026

Somme pretty nice tidal interactions going on in the NGC474 galaxy and its neighboring galaxies. This #astrophotography is a collaborative work with @vbioret.bsky.social with around 31h of subs total. The night is dark and full of wonders 😇. Where do you put this @kat-astro-bot.bsky.social ?

A interacting group of galaxies, featuring NGC474, with tidal effects clearly visible. Full image with acquisition details on Astrobin : https://www.astrobin.com/w6kelb/

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Lt Nono @ltno2.bsky.social · 10/10/2026

Hé! La tempête G3 en cours commence à donner quelques lueurs rosées 🙂. Satanés lampadaires! #Aurores

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Lt Nono @ltno2.bsky.social · 27/09/2026

Full #Moon & #astrophotography don't make a good mix, except on star clusters or emission nebulae...so here goes for the Persei double cluster (NGC884 & NGC869) and the Horse Head #nebula (IC434) in H-alpha. Images shot yesterday. Aren't those cute 😊? What do you see @kat-astro-bot.bsky.social ?

Picture of the Persei double star cluster shot from a backyard. The clusters form two lumps of stars around the center of the image.

A black and white picture of Horse Head nebula (IC434) shot in H-alpha with the Flame nebula to the side of the picture. Wisps of matter are leaving the hydrogen region and leaving kind of darker streaks on the background.

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Lt Nono @ltno2.bsky.social · 20/09/2026

Stacking amateur #astrophotography subs to get a better SNR also leads to photometry like here on the star HD189733 right next to M27, and witness an exoplanet transit that happened somewhere around 1962 😊 (09/19) Poke @pahcas.bsky.social 😇 who suggested this idea 😋 AIJ and HOPS curves attached!

This image is a stacked image of 195 60s subs shot with an H-alpha filter. It shows the star HD189733 being the object of the post (a star that has a transiting exoplanet)

Astro Image J light curve of the star HD189733 shot over the night from Sept 19/26 to Sept 20/26, showing a clear dip due to an exoplanet around that star

HOPS (software specifically created for the ExoClock project) light curve of the star HD189733 shot over the night from Sept 19/26 to Sept 20/26, showing a clear dip due to an exoplanet around that star.

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Lt Nono @ltno2.bsky.social · 17/09/2026

I thought I'd never be able to capture this faint #astrophotography target but then I discovered the wonderful world of Newtonian scopes 🙂. This is the Bat (SH2-129) and Squid #nebula (OU-4) after 20h of integration time, shot from my backyard. What do you see @kat-astro-bot.bsky.social ?

The Bat nebula (SH2-129) showing red colors from the H-alpha emission line, and the planetary nebula called the Squid nebula (OU-4), recently discovered, emitting in the OIII line. This is the result of 20h of integration time. Details of the capture are on Astrobin : https://www.astrobin.com/vc8zxk/

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Lt Nono @ltno2.bsky.social · 23/08/2026

The more subs (22h in this case), the better the SNR, and more bubbly stuff pops out like the Soap Bubble nebula near the Crescent Nebula. This is a collaborative #astrophotography work with my friend Alex who's not on BS. What do you see @kat-astro-bot.bsky.social ?

The Crescent and Soap Bubble nebulae shot with two different imaging rigs whose subs were combined. There's a total of 22h of integration time. Technical details on Astrobin: https://www.astrobin.com/ybosex/

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Lt Nono @ltno2.bsky.social · 07/08/2026

I'll stick with good wholesome foods I know 🙂

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Lt Nono @ltno2.bsky.social · 07/08/2026

C'est excellent 😍! (pas testé encore mais vais le faire). Ça se marierait bien avec Les contraintes de l'observateur (j'avais fait un truc en Python juste pour ça pour le DUAO de l'UCA/OCA). En bleu clair la zone observable de l'utilisateur. Bref, un truc qui marie le ciel et ce qui est possible.

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Lt Nono @ltno2.bsky.social · 07/08/2026

I'm dazzled by the photon collecting power of an f/4 Newtonian scope with a 200mm mirror...this is just one night of #astrophotography 🔭📷 subs for the Dark Shark nebula (about 5 1/2 hours of LRGB data shot this past night from my backyard) 🦈. What do you see @kat-astro-bot.bsky.social ?

Dark Shark Nebula shot in LRGB with a monochrome Poseidon camera and a 200mm Newtonian scope at f/4. This Nebula is a reflection nebula, made of dust, that reflects the light from the surrounding stars.

Meme taken from the movie Jaws where instead of saying "we're gonna need a bigger boat", the main character says "we're gonna need a bigger scope"

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Lt Nono @ltno2.bsky.social · 06/08/2026

Quick #astrophotography trial on the galaxy NGC1961. It still needs more subs in luminance - just 3.5 hrs so far, but the satellite trails (a bit enhanced so they pop out) seem to say it's already too much 😢. It's crowded up there, stop sending #satellites 🥵 Where is this @quantumkat.bsky.social ?

The galaxy NGC1961 shot at 762mm of focal length with amateur gear. 3.5 hours of luminance data and 1.5 hrs of RGB.

The galaxy NGC1961 shot at 762mm of focal length with amateur gear. 3.5 hours of luminance data boosted so the many satellite trails pop out.

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Lt Nono @ltno2.bsky.social · 26/07/2026

Thousands of stars are playing hide and seek in this 🔭📷 #astrophography of the dusty surroundings of LDN1082 🤩. 12 hours of integration shot from my backyard, supervized from my couch (feeling kind of fancy with a remote setup of my own ☺️). Can you plate-solve this @kat-astro-bot.bsky.social ?

Astrophotography of LDN1082, a dark nebula made up of dust. Thousands of stars of various colors play hide and seek with the dust that thins off as it gets away from LDN1082. 12h of integration time over three nights using amateur equipment was necessary to bring the fainter wisps using : a Skywatcher Quattro 200P Newtonian, a Player One Poseidon-M camera, Antlia V-Pro LRGB filters.

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Lt Nono @ltno2.bsky.social · 23/07/2026

Averaging individual frames and using a rejection algorithm can get rid of those pesky satellite trails to get a nice #astrophotography pic... Here's NGC2655 without pollution, shot over several nights from my backyard. What do you see @kat-astro-bot.bsky.social ?

Astrophotography of thee active galaxy NGC2655 shot from a backyard in France, with a 200mm f/4 Newtonian and a Poseidon-M monochrome astronomy camera using LRGB filters. 12h40 of integration time in total.

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Lt Nono @ltno2.bsky.social · 22/07/2026

Here is roughly 8h of luminance data (over three nights this past week) with this #astrophotography of NGC2655 done without any rejection algorithm. There's a slight satellite trail pollution don't you think? This is sad, knowing that some companies are willing to make things even worse 😢.

Satellite trails shown over 8 hours of luminance exposures spread over three nights while trying to capture the galaxy NGC2655.

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Lt Nono @ltno2.bsky.social · 12/07/2026

I just tested out this web-based tool to animate #astrophotography images. Fun 🙂! Here's my latest WR-134 at warp speed. zedastro.lovable.app

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Lt Nono @ltno2.bsky.social · 11/07/2026

Did you know that sometimes, #astrophotography can rime with aperture #photometry? This is LDN1251, a dark nebula with a contact binary. I didn't check the O-C or fit a model, it's just to show that stuff could be done. 👋 @pahcas.bsky.social Where's this @kat-astro-bot.bsky.social ?

Astrophotography of the dark nebula LDN1251, the rotten fish nebula, shot with a Newtonian scope and a monochrome astrophotography camera using LRGB filters.

Astrophotography of the dark nebula LDN1251, the rotten fish nebula, shot with a Newtonian scope and a monochrome astrophotography. This monochrome image has an annotation that shows where is located the Contact Binary star is ZTF J222853.12+750003.6 whose light curve was measured.

Light curve of the Contact Binary star is ZTF J222853.12+750003.6 centered around JD 2461226. This light curve plots 95 images taken with the luminance filter in a single (sort summer) night.

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Lt Nono @ltno2.bsky.social · 11/07/2026

It's the Milky Way season, and right now there's a great #astrophotography target, a Wolf-Rayet Star in Cygnus (WR134) blowing away its outer shell.This a composition of narrow band and RGB images shot over several nights.The OIII signal is quite amazing! Where are we @kat-astro-bot.bsky.social ?

Astrophotography of the area around the Wolf-Rayet star W134, showing the outer oxygen-rich outer shell being blown away by stellar winds from the star. Image shot over several nights using a Newtonian scope and a monochrome astrophotography camera with narrow band and broad band filters.

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Lt Nono @ltno2.bsky.social · 05/07/2026

The Flying Dragon Nebula, to me, really looks like a flying dragon 🙂. I shot this one from my backyard using amateur equipment, remotely controlled from my couch...(feeling kind of fancy with my remote setup 😇). #Astrophotography Can you solve this one @kat-astro-bot.bsky.social?

Astrophotography of SH-114, the Flying Dragon Nebula shot using a monochrome cooled astrophotography camera and a Newtonian telescope with a diameter if 200mm. The total integration time is 9h. The image shows a large HII region that ressembles a dragon spreading its wings, flying though countless stars from the Milky Way plane.

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Lt Nono @ltno2.bsky.social · 24/06/2026

Hey everyone 👋! I shot Hickon 68 (a compact group of far, far away #galaxies) and the scores of little ones in the background plus some more visible neighbors. It's full of stars and #galaxies! #astrophography Can you spot where this is @kat-astro-bot.bsky.social ?

The Hickson Compat Galaxy group n° 68 (HCG68) shot over 5 nights using a 200mm Newtonian scope with a focal ratio of f/3.8 and a Player One Poseidon-M monochrome camera. The field shows HCG68 as well as numerous fainter, more distant galaxies and a few prominent neighbors.

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Lt Nono @ltno2.bsky.social · 17/06/2026

Hi all #astrophotography aficionados out there! Here's a team work on NGC3718 to which 5 of us took part in. Details over here: www.astrobin.com/cbsw53/ . Lots of faint fuzzies in the background 😍★. The night is dark and full of wonders 😇. Can you solve this please @kat-astro-bot.bsky.social 🙏?

An image of the galaxy NGC3718 and its neighbor NGC3729 with around 33 hours of integration time in various Scopes (Schmidt-Cassegrain and Newton) using color or monochrome cameras. The image shows details of fainter background galaxies.

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Lt Nono @ltno2.bsky.social · 15/06/2026

I'd call it the hand of God nebula 🙂

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Lt Nono @ltno2.bsky.social · 14/06/2026

Using the luminance channel of this image I humbly contributed to, I cross-matched the sources using Sextractor and TopCat with the Milliquas catalogue. Looks like we have some #Quasars, and far away too (FlatLambdaCDM model with H0=70 km/s/Mpc and a 30% matter density). #cosmology #astrophotography

Astrophotography around Keenan's system (NGC5218 and NGC 5216), with annotated Quasars, their redshift and their distance using a FlatLambdaCDM model.

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Lt Nono @ltno2.bsky.social · 13/06/2026

With my #astrophotography buddies Jeff, Alex, Franck & Stéphane we stacked somewhere close to 1000 frames per LRGB channel on Keenan's system (2 interacting galaxies) + a ton of galaxies in the bg. Can you solve this one @kat-astro-bot.bsky.social ? Technical details: www.astrobin.com/ewm0jd/

Astrophotography of Keenan's system featuring the galaxies NGC5216 and NGC5218 sharing matter and tidal streams. This image is the result of the integration of 36 hours of data collected through 4 different setups, using monochrome and OSC cameras.

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Lt Nono @ltno2.bsky.social · 03/05/2026

After sleeping all day and taking his evening stroll in my garden, my cat caught Ratatouille 🙃.

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Lt Nono @ltno2.bsky.social · 02/05/2026

#Allegory, me after 3 days/nights in a row doing some #astrophotography stuff and coping with my 9-5 work schedule 🙂.

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Lt Nono @ltno2.bsky.social · 12/04/2026

Hello all #astrophotography aficionados! Here's M63 shot with my friend Alex who's not on BS. We used same scopes but different cams. Combining our images gives this deep field with lots of small galaxies. What do you see @kat-astro-bot.bsky.social ? Details over here: www.astrobin.com/fgk1qm/

The Galaxy M63 shot using the combination of images shot with two same scopes (Skywatcher Quattro 200P) but different cameras (a color ASI294MC, and monochrome Poseidon-M). 15h of integration time showing lots of small galaxies in the background.

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Lt Nono @ltno2.bsky.social · 24/03/2026

About 80 days with clouds and rain and clouds....and then , a 5 day moonless spree...😇....didn't sleep much but surely you guys can all make out all those Galaxies (it is Galaxy season after all 😊!). M51, M106, Leo Triplet and IC342 😍

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Lt Nono @ltno2.bsky.social · 24/03/2026

And this 4/4 IC342, the hidden Galaxy 😇 @kat-astro-bot.bsky.social

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Lt Nono @ltno2.bsky.social · 24/03/2026

This is M51 shot with a Newt too. Where is this exactly @kat-astro-bot.bsky.social ? Post 2/4

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Lt Nono @ltno2.bsky.social · 24/03/2026

After over 80 days of clouds an a 5 day cloudless streak, I'm glad I could catch a few distant photons 🙂. This is M106 shot with a Newt. Where is this exactly @kat-astro-bot.bsky.social ? Post 1/4

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Lt Nono @ltno2.bsky.social · 24/01/2026

It's been cloudy and rainy for what seems like ages now...but this afternoon there was a small patch of clear sky and I was able to shoot the Sun in H-alpha. Our Star is always awesome 🙂. #Astrophotography #Solar

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Lt Nono @ltno2.bsky.social · 01/01/2026

New year, new scope with diffraction spikes (an f/4 Newton), new #astrophotography shot of IC434 the Horse Head nebula. What's there @kat-astro-bot.bsky.social ?

$IC434 the Horse Head nebula shot in L-Ha-RGB using a Skywatcher 200mm Quattro Newtonian and a monochrome PlayerOne Poseidon camera. The brighter stars show diffraction spikes typical of a Newtonian scope.$

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Lt Nono @ltno2.bsky.social · 19/12/2025

J'en avais pas besoin, mais je l'ai quand même acheté. (pour offrir). Je vous présente le coupe-pizza NCC-1701 😍

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Lt Nono @ltno2.bsky.social · 01/12/2025

Mince, j'étais parti sur les conques 😇.

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Lt Nono @ltno2.bsky.social · 30/11/2025

The #Sun this morning was very cooperative, shot with my Lunt 60 H-alpha scope. The rendering is in false colors (H-alpha is a deep deep red). #Solar #astrophotography

The Sun shot in H-alpha using a monochrome Zwo ASI1600GT camera and a Lunt 60 THa solar scope. This is the combination of two overlapped images: one overexposed to show the prominences and the other one to show the chromosphere details. False colors were used to render each of those overlapping images.

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Lt Nono @ltno2.bsky.social · 23/11/2025

A bit of #astrophotography drizzling, cropping, and sizzling on #M82 to show just how gorgeous those H-alpha jets are 😍. Can you please plate-solve this @kat-astro-bot.bsky.social ?

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Lt Nono @ltno2.bsky.social · 22/11/2025

Marrying H-alpha and LRGB data while doing #astrophotography can reveal cool things in space like those reddish jets of matter coming out of the nucleus of M82 (a buddy of M81, one of our neighbor galaxies). Where do you put this @kat-astro-bot.bsky.social ?

$M81, M82 and NGC 3077 galaxies shot from a backyard with an Astro_Physics Starfire EDFS 130mm refractor and an PlayerOne Poseidon-M monochrome camera using LRGB and H-alpha filters. M82 shows hydrogen jets being shot out of the nucleus of M82.$

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Lt Nono @ltno2.bsky.social · 15/11/2025

Team work in #astrophotography 🔭📷 gives nice results. Here is M33, a neighboring galaxy combining images from 3 setups. I'm always amazed with its bright blue stars that can be resolved from several million light years away. @kat-astro-bot.bsky.social where's this please? www.astrobin.com/ibi2sb/

M33 the triangulum galaxy. This image combine images from three different amateur astronomers for a total of approximately 17 hours of integration time. Details are on Astrobin : https://www.astrobin.com/ibi2sb/

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Lt Nono @ltno2.bsky.social · 11/11/2025

The Star we know best, the closest one to us, the #Sun, shot around mid day in H-alpha with my little Lunt Solar scope. #solar #astrophotography

The Sun in H-alpha in a black and white image, showing prominences and the chromosphere.

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Lt Nono @ltno2.bsky.social · 09/11/2025

What's cool about #astrophotography 🔭📷 is that you can stack frames to create nice images, and also use those frames to do some aperture photometry (here with AIJ on the eclipsing binary V1337 CAS near IC1805 Heart Nebula AIJ). Ain't that cool people 🤓? What do you see @kat-astro-bot.bsky.social ?

$IC1805 the Heart Nebula shot in HOO using a 76 mm refractor and a astronomy cooled monochrome camera (a PlayerOne Poseidon-M). 120s subs. 83xH-alpha. 54xOIII$ Astro Image J screen showing the selection of the eclipsing binary V1337 CAS and reference stars to start an aperture photometry analysis.

Astro Image J screen showing the selection of the eclipsing binary V1337 CAS and reference stars to start an aperture photometry analysis.

Output plot of the photometry measurements of the eclipsing binary V1337 CAS over 4.5 hours, showing a peak in flux.

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Lt Nono @ltno2.bsky.social · 02/11/2025

Solar #astrophotography 🔭📷 does have its perks...like getting your images taken in 10 minutes between two rainy episodes. This is the Sun as it was late this afternoon in France, shot with my Lunt 60 and my ASI1600GT mono camera and dodging quite a few clouds and rainy spells.

The Sun shot late this afternoon from somewhere in France, using a Lunt 60mm H-alpha solar scope and a monochrome ASI1600GT camera. Superposition of one overexposed image for the prominences, and a normal one for the chromosphere. Coloring using Gimp.

Lunt 60mm H-alpha solar scope and a monochrome ASI1600GT camera on a hand-driven ALT-AZ mount.

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Lt Nono @ltno2.bsky.social · 23/10/2025

Dark dust clouds in Perseus with the #Embryo nebula NGC1333 in the bottom left corner. Shot this 7 days ago from my backyard. #astrophotgraphy 🔭📷 reveals what our eyes won't always see....but it's not because we don't see it that it's not there. Where do you put this @kat-astro-bot.bsky.social?

$Dark interstellar clouds shot in LRGB with a 130mm Astro-Physics Starfire refractor and a PlayerOne Poseidon-M monochrome camera. 100x120s for luminance. 45x60s for each RGB channel. The target is the surrounding area about NGC1333 the Eskimo nebula which sits in the lower left part of the image. Dark interstellar clouds shot in LRGB with a 130mm Astro-Physics Starfire refractor and a PlayerOne Poseidon-M monochrome camera. 100x120s for luminance. 45x60s for each RGB channel. The target is the surrounding area about NGC1333 the Eskimo nebula which sits in the lower left part of the image.$

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Lt Nono @ltno2.bsky.social · 17/10/2025

I tried my best to capture an L-RGB image of comet C/2025 A6 Lemmon using a monochrome cam. It's feasable, but it's not as nice and starightforward as with a color cam because Comets move fast!!!!! #astrophotography. Where's this @kat-astro-bot.bsky.social ?

$Comet C/2025 A6 Lemmon shot mid October 2025 in L-RGB with a 130mm Astro-Physics Starfire refracator and a monochrome Player One monochrome camera.$

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Lt Nono @ltno2.bsky.social · 17/10/2025

Hi all #astronomy fans out there ✨! I managed to shoot the Cocoon Nebula (IC5146) and its trailing dust train over the past two nights, using my backyard #astrophotography setup. The weather Gods blessed me I guess 😇. Lots of Hydrogen in the background. What's out there @kat-astro-bot.bsky.social ?

$The Cocoon Nebula (IC5146) shot over two nights from a backyard rig using a 130mm Astro-Physics Starfire refractor and a PlayerOne Poseidon-M Monochrome camera using broad band filters and a narrow band H-alpha filter. 60x60s subs for each RGB channel. 150x120s for the Luminance channel and 138x180s for the H-alpha channel.$

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Lt Nono @ltno2.bsky.social · 14/10/2025

Ce n'est pas qu'une question de taille 😬, la veille à 342mm avec la petite lulu

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Lt Nono @ltno2.bsky.social · 13/10/2025

Lemmon juice being squeezed out of the comet C/2025 A6 #astrophotography. Shot this evening but it's really low so it is tough to even think about getting this one done in RGB. Can you try and solve this one @kat-astro-bot.bsky.social ?

$Comet C/2025 A6 Lemmon shot in Luminance with a 130mm AstroPhysics refractor and a PlayerOne Poseidon monochrome camera.$

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Lt Nono @ltno2.bsky.social · 13/10/2025

The North America, Pelican and gulf of Mexico (yep, not the "gulf of America" 😇) nebulae to which I added SII subs last night from my backyard. SHO is an unusual #Astrophotography 🔭📷 palette but I do like it. I'm pretty sure @kat-astro-bot.bsky.social will solve this one in a breeze.

$The North America, Pelican and gulf of Mexico nebulae shot in SHO palette and stars in RGB using a 130mm AstroPhysics refractor and a PlayerOne Poseidon-M monochrome camera.$

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Lt Nono @ltno2.bsky.social · 12/10/2025

From my backyard : Summer is going away gracefully, and with it the North America Nebula NGC7000 in the Milky Way plane. I count around 69 000 stars in this #Astrophotography 🔭📷picture! Can you guess where this is @kat-astro-bot.bsky.social ?

$From a backyard somewhere in France, the North America nebula (NGC7000) shot with RGB and narrow band H-alpha and OIII filters using a TeleskopService 76mm refractor and a Player One Poseidon-M Monochrome astronomy camera.$

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Lt Nono @ltno2.bsky.social · 05/10/2025

The Tadpoles in Auriga shot in narrow band SHO (Sulfur, Hydrogen, Oxygen) from my backyard during last night's #Astrophotography 🔭📷 session. Slightly psychedelic colors but I like those 🫠. The stars are RGB though. Am I spot on @kat-astro-bot.bsky.social ?

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