Yuri Beletsky

Astronomer and nightscape photographer.

[Yuri Beletsky @YBeletsky]

This morning, I captured another image of Comet C/2023 A3 (Tsuchinshan-ATLAS) from the @LCOAstro site in the Atacama Desert, Chile 🇨🇱✨😱. The view was absolutely stunning !!! The comet is clearly visible visually. My gear: Nikon D810a camera with a 135mm lens. Exposure: 20 x 30 seconds. #Comet #Astronomy #Atacama #chile #TsuchinshanATLAS #cometa #CometC2023A3 #Tsuchinshan #C2023A3 #FollowTheComet

[Yuri Beletsky @YBeletsky]

@EizoCG211 Amazing result 👍🤩

[Yuri Beletsky @YBeletsky]

@VeronicaJoPo Wonderful capture 👍😃

[Yuri Beletsky @YBeletsky]

This new lens looks promising for astro- and nightscape photography. Wondering about its optical performance 🤔 Anyone ?

[VILTROX @ViltroxOfficial]

AF 35mm F1.2 LAB N FE—its screen-free design allows for cleaner, more intuitive control, while the ultra-bright F1.2 aperture produces dreamy bokeh with beautifully smooth, creamy out-of-focus backgrounds.

#viltrox #viltrox35mmf12 #Viltrox35LAB #viltroxlab #photography #photographer #camerasetup #cameragear #sony #sonyalpha #sonyphotography #sonycamera

[Yuri Beletsky @YBeletsky]

@Vincent_Ledvina The whole scene flooded with green looks pretty cool indeed 🤩

[Yuri Beletsky @YBeletsky]

@GalacticRAVE Indeed 👍 Sometimes planning of such alignments is quite tricky due to a number of missing / uncertain paraders and some assumptions have to be made 😅

[Yuri Beletsky @YBeletsky]

Blue Moon over The Cruz del Cerro Renca in Santiago, Chile 🇨🇱 We planned, we tried, we failed :) This is one of the examples when you still need to go for a shot even if you are not completely sure. In this particular case there were some uncertainties about the precise location of the cross, but it turned out the cross itself was the challenge.

[Yuri Beletsky @YBeletsky]

@kstj1973 The location looks absolutely amazing ! I’m wondering where is it ?

[Yuri Beletsky @YBeletsky]

@negiasa Very true indeed 😃👍

[Yuri Beletsky @YBeletsky]

@ViltroxOfficial Looks very interesting indeed for astro / nightscape photography 👍😃

[Yuri Beletsky @YBeletsky]

Absolutely amazing scene captured by Albert Dros from the Netherlands 🤩

[Albert Dros @albertdrosphoto]

Yesterday's very early morning moonset in the Netherlands. Such a calm atmosphere with the moon setting on top of the windmills with the countryside covered in fog.

[Yuri Beletsky @YBeletsky]

@chimura_ Stunning capture 🤩👍

[Yuri Beletsky @YBeletsky]

@theauroraguy Wonderful capture 👍😃 The season is on !

[Yuri Beletsky @YBeletsky]

@SpaceTimeIhatov Beautiful capture 😃👍

[Yuri Beletsky @YBeletsky]

In this particular case there were some uncertainties about the precise location of the cross, but it turned out the cross itself was the challenge. The 3D model was great, however we didn’t take into account the pedestal 😅

[Yuri Beletsky @YBeletsky]

To capture the image I used Nikon Z7II + Nikkor 800/6.3

[Yuri Beletsky @YBeletsky]

That’s why the Bortle scale should be used with caution when judging night-sky quality. In professional astronomy, modest light pollution near the horizon is usually tolerable because we rarely observe at such low elevations. A site may therefore receive a poorer Bortle rating, yet still be excellent for serious astronomical work. Context matters.

[Yuri Beletsky @YBeletsky]

@astrophoto1976 @JAtanackov @GeminiObs It has indeed increased over the past decade or so, however the observing conditions are still very good. In professional astronomy we rarely observe below 45 degrees elevation. Visually, from that location, you certainly see the distant city glow.

[Yuri Beletsky @YBeletsky]

Bortle scale is subjective. It integrates the whole visual experience, such as horizon glow, extended-object contrast, color perception. Therefore a site with zenith SQM of 21.8 (typical for an excellent sky) can still feel like Bortle 4 if there are bright city domes on the horizon.

[Yuri Beletsky @YBeletsky]

@ericpare Congratulations !! 🎈🎉😃

[Yuri Beletsky @YBeletsky]

@Haru_koala Great capture 👍😃