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Posts by Rob Tilsley

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A few photos from observing the Pleiades covered by the Moon. Unfortunately, some of them were taken through clouds.

Canon 500D + Tair 3S

#astrophotography #Ukraine #Kropyvnytskyi #Canon500D

23 minutes ago 2 2 0 0
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夕月
春霞越しの地球照

#月
#moon
#夕月
#天体写真
#moonphotography

4 hours ago 1 1 0 0

Just a reminder, commissions open today at noon PST!

Amyraehill.com/commissions

1 day ago 76 25 1 0
Comet with a bright nucleus and wispy tail with streamers rises over a ridge of trees and a water tank. Taken with an Askar SQA55 and modified Sony Alpha  7 III camera. Comet image, 15s at ISO 1250. Foreground image, 15s at 3200 ISO. Processed separately and composited in Photoshop.

Comet with a bright nucleus and wispy tail with streamers rises over a ridge of trees and a water tank. Taken with an Askar SQA55 and modified Sony Alpha 7 III camera. Comet image, 15s at ISO 1250. Foreground image, 15s at 3200 ISO. Processed separately and composited in Photoshop.

Success with Comet C/2025 R3 PanSTARRS this morning! Clouds will prevent future attempts. It reaches perihelion Sunday, swings around the Sun and becomes a southern hemisphere object. This is a composite of a tracked image of the sky and untracked foreground image. Details in ALT. #astrophotography

2 days ago 60 9 3 0
A black, single-layer cake. The top is decorated with a pastel-rainbow telescope and galaxy map behind it.

A black, single-layer cake. The top is decorated with a pastel-rainbow telescope and galaxy map behind it.

A different view of the cake, showing the galaxy map spilling over the side.

A different view of the cake, showing the galaxy map spilling over the side.

DESI finished its originally planned survey last night!! ..and will keep going :)

I made a cake to celebrate. 🌌🔭
@desisurvey.bsky.social

5 days ago 761 98 21 5
Shot of comet C/2025 R3 (PanSTARRS) on 14 April 2026 at 03:37 UT. Taken with a Canon 600D DSLR and 300mm lens at 2.5s exp, 300mm fl, f/5.6, ISO-3200 x 11 stacked shots not tracked.

Shot of comet C/2025 R3 (PanSTARRS) on 14 April 2026 at 03:37 UT. Taken with a Canon 600D DSLR and 300mm lens at 2.5s exp, 300mm fl, f/5.6, ISO-3200 x 11 stacked shots not tracked.

Tricky capture of comet C/2025 R3 (PanSTARRS) this morning. By the time it had cleared the trees to the east the sky was pretty bright. Nice to have caught it at least. #Astronomy #Astrophotography

1 week ago 33 4 2 0
Black and white pencil drawing of one of the Artemis II photos. Partial moon with craters on the left. Earth is right in the blackness of space. The Earth looks like a phase of the moon because it is only partially illuminated by the sun.

Black and white pencil drawing of one of the Artemis II photos. Partial moon with craters on the left. Earth is right in the blackness of space. The Earth looks like a phase of the moon because it is only partially illuminated by the sun.

Seen so much amazing #Artemis art here! Had to do a quick doodle 🌕🌎

#SciArt 🔭

1 week ago 60 11 1 0

Ye

Freaking'

GADS

I could write 2,000 words about this if you woke me out of a dead sleep.

Hmph. Maybe I will. Dang.

1 week ago 122 7 4 0
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Comet C/2025 R3 (PanSTARRS)
Ashurst Lake, near Flagstaff, AZ

Blend of two images: (1) comet and stars; (2) foreground and lake. Was hoping for some reflections in the water but it was too breezy.

Nikon D850, 35mm, ƒ/1.8, ISO 100, 2x240 seconds.

#astrophotography #comet

1 week ago 214 16 3 1
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#M101 #Galaxy Total or 3 nights (2 nights with L-Pro filter and 1 with L-Ultimate for H-alpha layer. About 13 hours total on this target)🔭 There’s still quite a lot of hot pixel noise in the L-Ultimate master after WBPP, I’m trying to figure out the cause, but overall the result is quite satisfying.

1 week ago 46 13 4 0
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The Tadpoles Nebula.

This cosmic cloud that looks like tadpoles swimming through the cosmos...

Zoom in!! It is actually an area of massive star birth, the tadpoles shaped by intense stellar winds.

It took 12,000 years for this light to hit my yard in Victoria, BC.

1 month ago 41 9 1 0

Mark diaries: solar #eclipse 4 months from today!

UK #scicomm chums, if you're planning an event for the 🌞🌚🌍 partial alignment, @gostargazing.bsky.social are offering v reasonable rates for solar-spec bulk-buys: 200 for £25. Deadline for orders is end of May!

ℹ️: gostargazing.co.uk/solar-glasse...

1 week ago 26 11 5 0
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The Leo Triplet is a small group of galaxies bound together by gravity in the constellation Leo. It lies approximately 35 million light-years from Earth and consists of three prominent spiral galaxies: Messier 65, Messier 66 and NGC 3628.
Captured over two nights in March 2026.
#Astrophotography

4 weeks ago 30 6 0 0
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Large Magellanic Cloud HOORGB 12 Panel Mosaic - AstroBin First shown to the public in my talk at NEAIC. Go full screen and zoom in 1x to see the breadth of the Large Magellanic Cloud! This is a giant 12 panel mosaic of the Large Magellanic Cloud taken over ...

Check out my 12 panel, 71 hour mosaic of the Large Magellanic Cloud in both broadband and narrowband: app.astrobin.com/i/7thh0y

Go full screen & zoom in!

I presented it at NEAIC/NEAF for the first time yesterday and it was the main subject of both of my talks.

#astronomy #astrophotography #space

1 week ago 45 12 4 0
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TONIGHT (Saturday 11th April) at 7:30pm I am delighted to be visiting Cotswolds AS again, to give my Astrophotography Highlights talk. They meet at Deer Park Archers archery club, Shurdington Road Cheltenham. Non-members are welcome - £2 entry fee

1 week ago 17 2 0 0
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With a change in the weather, possibly my last image of the Sun for a while.
This is the area around active regions 4008 and 4009 and shows some nice bright faculae near to the limb.

Taken with an Esprit 4" refractor, Herschel wedge and Player One Uranus-M camera from my garden

1 week ago 28 2 1 0
Crescent Moon in lower half with Crescent Earth above and some lens flare.

Crescent Moon in lower half with Crescent Earth above and some lens flare.

Crescent Moon and Crescent Earth from Artemis II. 🔭 🧪 #astrophotography #ArtemisII

1 week ago 151 23 5 1
Crescent (partially illuminated) Moon and Earth facing the Sun. The Sun is just out of frame to the right leaving flares of light reaching out toward the left.

NASA/Artemis II/Kevin M. Gill

Crescent (partially illuminated) Moon and Earth facing the Sun. The Sun is just out of frame to the right leaving flares of light reaching out toward the left. NASA/Artemis II/Kevin M. Gill

This might be one of my favorites from Artemis II. A cinematic alignment of the Moon and Earth, each cradled within the warmth of sunbeams.

Taken from behind the Moon on April 6th.

flic.kr/p/2s6BABn

1 week ago 1518 384 10 15
A rendition of the earth set photo from the Artemis 2 crew drawn in colored pencils on white paper. Behind the Earth is black from a combination of colored pencils and sharpie markers, with ragged edges all the way around. The moons surface is loosely shaded in gray and browns with the indication of craters and a rough edge to toss upper silhouette.

A rendition of the earth set photo from the Artemis 2 crew drawn in colored pencils on white paper. Behind the Earth is black from a combination of colored pencils and sharpie markers, with ragged edges all the way around. The moons surface is loosely shaded in gray and browns with the indication of craters and a rough edge to toss upper silhouette.

Drew it. Experiments with colored pencil (& sharpie for some black). 🔭🐡

1 week ago 54 9 1 0
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4x4” acrylic painting of the Moon from the Artemis mission. Some of the far side is visible including Orientale Basin

4x4” acrylic painting of the Moon from the Artemis mission. Some of the far side is visible including Orientale Basin

finished this right as the astronauts went behind the Moon 🥹 #SciArt

2 weeks ago 649 112 6 0
A large nebulous cloud of red gas that has a large hole in its centre due to the bright stars there. The rest of the image has a dense star field.

A large nebulous cloud of red gas that has a large hole in its centre due to the bright stars there. The rest of the image has a dense star field.

1 hour on Rosetta Nebula just now as I awaited my next galaxy to rise above the trees. That’ll be tomorrow’s image.

This cluster of bright, young, hot stars is excavating a cavity in this enormous cloud of hydrogen gas and dust.

An annoying satellite crossed into the FoV.

Captured on SeestarS50.

1 week ago 134 16 3 1
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二十日余の月
寝坊しました!明るい!

#月
#moon
#二十日余の月
#天体写真
#moonphotography

1 week ago 6 2 0 0
C/2025 R3 (PanSTARRS) is a hyperbolic Oort cloud comet and it is unknown if it will survive perihelion passage on 19 April 2026 when it passes 0.499 AU (75 million km) from the Sun. Around perihelion may reach a naked eye visibility of around apparent magnitude +3.

C/2025 R3 (PanSTARRS) is a hyperbolic Oort cloud comet and it is unknown if it will survive perihelion passage on 19 April 2026 when it passes 0.499 AU (75 million km) from the Sun. Around perihelion may reach a naked eye visibility of around apparent magnitude +3.

Comet! C/2025 R3 (panSTARRS) Maybe my last clear morning for a while. Had to be creative to find a small window of visibility with trees and my house in the way but 10 mins x 15 secs exposures & there it is, cropped/processed.
#astronomy #astrophotography @stormhour.com @photohour.bsky.social

1 week ago 93 17 2 0
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The 62.7% waning gibbous at 4 AM (UTC+7) on Thursday.

1 week ago 21 3 0 0
The far side lunar surface with a distinct dar patch in its centre surrounded by rings. This is the impact crater.

The far side lunar surface with a distinct dar patch in its centre surrounded by rings. This is the impact crater.

Can you imagine the cataclysmic impact that formed the Orientale Crater on the lunar far side?

look how big it is.

It punched a hole in the lunar surface, lava welled upwards (dark patch) and it made concentric rings of mountains.

Ooooft.

Source: images.nasa.gov/details/art0...

#ArtemisII

1 week ago 66 10 1 0
[alt text by NASA] The Moon, seen here backlit by the Sun during a solar eclipse on April 6, 2026, is photographed by one of the cameras on the Orion spacecraft’s solar array wings. Orion is visible in the foreground on the left. Earth is reflecting sunlight at the left edge of the Moon, which is slightly brighter than the rest of the disk. The bright spot visible just below the Moon’s bottom right edge is Saturn. Beyond that, the bright spot at the right edge of the image is Mars. Credit: NASA

[alt text by NASA] The Moon, seen here backlit by the Sun during a solar eclipse on April 6, 2026, is photographed by one of the cameras on the Orion spacecraft’s solar array wings. Orion is visible in the foreground on the left. Earth is reflecting sunlight at the left edge of the Moon, which is slightly brighter than the rest of the disk. The bright spot visible just below the Moon’s bottom right edge is Saturn. Beyond that, the bright spot at the right edge of the image is Mars. Credit: NASA

Whoa 🤯

The Moon, in full eclipse, with the #Artemis II Orion spacecraft. Part of the Moon and spacecraft are lit by Earthshine, and both Saturn and Mars are visible to the lower right. Incredible. Details: images.nasa.gov/details/art0...

1 week ago 7594 1935 62 133
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Earthset from Artemis II. I am overcome.

2 weeks ago 6272 1569 51 162
View of the spacecraft (bright, on the left), a dark thin crescent of Moon, and a very small, bright thin crescent of Earth next to it

View of the spacecraft (bright, on the left), a dark thin crescent of Moon, and a very small, bright thin crescent of Earth next to it

"Orion, the Moon, and the Earth. EVERYONE, in that picture" - #Artemis II Mission Control.

2 weeks ago 3803 1014 47 79
Top image with Jerry saying, "You're crying because of Artemis II?"

Bottom image with George saying, "The spirit of space travel got to me."

Jerry then says, "Alright."

Top image with Jerry saying, "You're crying because of Artemis II?" Bottom image with George saying, "The spirit of space travel got to me." Jerry then says, "Alright."

2 weeks ago 9762 2479 5 42
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seconded!

2 weeks ago 5 0 1 0