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Reposted by Filipp Romanov

David Dickinson @astrodave.bsky.social · 8h

Astronomy is becoming an online affair. A recent find shows what’s possible, as devoted amateur astronomer @filipp-romanov.bsky.social discovered a supernova in a remote galaxy.

Here’s our latest post on the find and how he did it for @universetoday.com - www.universetoday.com/articles/ded...

Dedicated Amateur Discovers Supernova in Remote Galaxy

Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN highlighted this fact, when both were first discussed on message boards and verified ...

www.universetoday.com

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Filipp Romanov @filipp-romanov.bsky.social · 10h

My best photos of the comet C/2023 A3 (Tsuchinshan-ATLAS) above the Sea of Japan (imaged last year using my Canon EOS 60D camera, from Yuzhno-Morskoy, Nakhodka):

1 - 2024-10-20;
2 - 2024-10-16;
3 - 2024-10-13;
4 - 2024-10-03.

@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour

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Filipp Romanov @filipp-romanov.bsky.social · 2d

On 2025-10-03, remotely at the 2-m Liverpool Telescope, I confirmed new distant object CDFZQD2 = 2025 SB57, my astrometric data were published in the discovery MPEC: minorplanetcenter.net/mpec/K25/K25...

Image: stacked 8x60 sec. with Sloan r' filter.

#astronomy #space
@astrodave.bsky.social

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Filipp Romanov @filipp-romanov.bsky.social · 4d

Filipp Romanov @filipp-romanov.bsky.social · 5d

On 2025-10-02 I observed interstellar comet 3I/ATLAS (before passing Mars) at remote 0.25-m f/3.8 reflector T75 iTelescope.Net, Chile. 1st photo is in color.

I also observed it on September 27th - Autumn Astronomy Day.

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #comet3I

Filipp Romanov @filipp-romanov.bsky.social · 5d

On 2025-10-02 I observed interstellar comet 3I/ATLAS (before passing Mars) at remote 0.25-m f/3.8 reflector T75 iTelescope.Net, Chile. 1st photo is in color.

I also observed it on September 27th - Autumn Astronomy Day.

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #comet3I

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Filipp Romanov @filipp-romanov.bsky.social · 5d

On 2025-10-02 I observed interstellar comet 3I/ATLAS (before passing Mars) at remote 0.25-m f/3.8 reflector T75 iTelescope.Net, Chile. 1st photo is in color.

I also observed it on September 27th - Autumn Astronomy Day.

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #comet3I

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Filipp Romanov @filipp-romanov.bsky.social · 6d

On 2025-10-02, remotely at the 2-m Liverpool Telescope, I confirmed minorplanetcenter.net/mpec/K25/K25... near-Earth asteroid 2025 TF = C15KM95 which had previously approached at a distance of several hundred kilometers from the Earth's surface. Image: stacked 16x60 sec.

#asteroid #2025TF #C15KM95

Filipp Romanov @filipp-romanov.bsky.social · 6d

On 2025-10-02, remotely at the 2-m Liverpool Telescope, I confirmed minorplanetcenter.net/mpec/K25/K25... near-Earth asteroid 2025 TF = C15KM95 which had previously approached at a distance of several hundred kilometers from the Earth's surface. Image: stacked 16x60 sec.

#asteroid #2025TF #C15KM95

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Reposted by Filipp Romanov

Larisa Romanova @larisa-romanova.bsky.social · 11d

I am one of the co-authors of the scientific paper "Constraints on the evolution of the Triton atmosphere from occultations: 1989–2022" published doi.org/10.1051/0004... in 2024 in Astronomy & Astrophysics (A&A).
News article about this paper astrobiology.com/2024/12/trit...
#AstronomyDay #astronomy

Constraints on the evolution of the Triton atmosphere from occultations: 1989–2022 | Astronomy & Astrophysics (A&A)

Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics

doi.org

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Filipp Romanov @filipp-romanov.bsky.social · 15d

My new observations:

Interstellar comet 3I/ATLAS on Sep 18 at iTelescope.Net T72;
Moon, Venus and Regulus on Sep 19;
Potentially Hazardous Asteroid 2025 FA22 + confirmed NEOCP object P22eOKK on Sep 21 at the Liverpool Telescope.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour

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Filipp Romanov @filipp-romanov.bsky.social · 25d

bsky.app/profile/fili...

Filipp Romanov @filipp-romanov.bsky.social · 25d

On 2025-09-13 I confirmed new bright comet SWAN25B remotely at iTelescope.Net T59 (0.51-m f/6.8
reflector) in Australia.

I measured: coma +8.9 mag. 2 arcmin., tail=18 arcmin, PA=112°

Images: 3x10s. (RGB), 60s. (Lum)

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #astronomy

Filipp Romanov @filipp-romanov.bsky.social · 25d

On 2025-09-13 I confirmed new bright comet SWAN25B remotely at iTelescope.Net T59 (0.51-m f/6.8
reflector) in Australia.

I measured: coma +8.9 mag. 2 arcmin., tail=18 arcmin, PA=112°

Images: 3x10s. (RGB), 60s. (Lum)

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #astronomy

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Filipp Romanov @filipp-romanov.bsky.social · 25d

On 2025-09-06 I confirmed comet A11rZww = C/2025 R1 (ATLAS) remotely using 0.61-m f/6.5 reflector T24 of iTelescope.Net in Auberry, California, USA. My astrometric data: minorplanetcenter.net/mpec/K25/K25...

On 2025-09-11 I observed interstellar comet 3I/ATLAS at 0.51-m f/6.8 telescope T72 in Chile

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Filipp Romanov @filipp-romanov.bsky.social · 25d

Approximate (all data is different):
Images 1-4, 9 and 11 are the results of stacking (in RegiStax 5.1) ≈ 300 frames from 640x480 videos, shutter speeds 1/500...1/640 sec., ISO 100...400.
For the rest of the photos: exposures from 1 to 3 sec., ISO=400...1600, some frames are stacked 3-5 images each.

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Filipp Romanov @filipp-romanov.bsky.social · Sep 8

I photographed the total lunar eclipse on September 8, 2025 in Yuzhno-Morskoy, Nakhodka, using my Canon EOS 60D camera (with 135mm lens), I made this collage from the photographs.

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #eclipse #lunareclipse #totaleclipse #astronomy

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Filipp Romanov @filipp-romanov.bsky.social · Sep 6

My timelapse video of total lunar eclipse on 2022-11-08, from Yuzhno-Morskoy, Nakhodka.

Canon 60D + 150-mm telescope.

My video of occultation of Uranus by the Moon during this lunar eclipse: youtu.be/le_yr79KlHw

@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #lunareclipse

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Filipp Romanov @filipp-romanov.bsky.social · Sep 5

I observed:

Interstellar comet 3I/ATLAS at the Liverpool Telescope: 2025-09-03 (with the anti-solar tail), stacked 4x60 sec.

Near-Earth asteroid (2100) Ra-Shalom at the Burke-Gaffney Observatory on 2025-08-19.

NEA 1998 SH2 at T59 of iTelescope.Net: on 2025-09-04

@astrodave.bsky.social #PhotoHour

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Filipp Romanov @filipp-romanov.bsky.social · Aug 28

On 2025-08-17 I discovered supernova SN 2025umq using the remote telescope T59 of iTelescope.Net. Confirmed as Type Ia supernova at z = 0.159

TNS www.wis-tns.org/object/2025umq
ATel #17361 www.astronomerstelegram.org?read=17361

@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour

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Filipp Romanov @filipp-romanov.bsky.social · Aug 23

My photos for August 20, 2025 taken from Yuzhno-Morskoy, Nakhodka:

Moon, Jupiter, Venus, Pollux, Castor, Mercury (marked with an arrow);
Moon, Jupiter, Venus;
part of the solar halo (under the roof);
tall ship (sailing) Nadezhda - in the Sea of Japan.

@astrodave.bsky.social
#PhotoHour #StormHour

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Filipp Romanov @filipp-romanov.bsky.social · Aug 18

On Aug 17, 2025 (when it was 16 years since I started studying astronomy on my own) I observed at the Liverpool Telescope:
Interstellar comet 3I/ATLAS
Near-Earth asteroid 2025 PM youtube.com/shorts/xfPpE...
Supernova SN 2025roy

@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour

Filipp Romanov @filipp-romanov.bsky.social · Aug 18

On Aug 17, 2025 (when it was 16 years since I started studying astronomy on my own) I observed at the Liverpool Telescope:
Interstellar comet 3I/ATLAS
Near-Earth asteroid 2025 PM youtube.com/shorts/xfPpE...
Supernova SN 2025roy

@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour

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Filipp Romanov @filipp-romanov.bsky.social · Aug 16

The forecast, unfortunately, calls for cloudy weather, although I had planned to photograph this astronomical event after midnight on August 17th - the date of the 16th anniversary of the start of my self-study of astronomy.

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Filipp Romanov @filipp-romanov.bsky.social · Aug 16

I continue to observe the interstellar comet 3I/ATLAS using remote telescopes: Liverpool Telescope and iTelescope.Net T59, T11, T24.

My astrometry
minorplanetcenter.net/mpec/K25/K25...
minorplanetcenter.net/mpec/K25/K25...

#comet3I #comet3IATLAS #interstellarcomet #PhotoHour
@astrodave.bsky.social

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Filipp Romanov @filipp-romanov.bsky.social · Aug 12

Thank you for posting this photo taken by me.

Filipp Romanov @filipp-romanov.bsky.social · Aug 12

On the morning of August 12, 2025, using my Canon EOS 60D camera, in Yuzhno-Morskoy, Nakhodka, I photographed the #conjunction of Venus and Jupiter, and a bright #meteor was imaged next to them during the #Perseids.

@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour #astronomy

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