TNS www.wis-tns.org/object/2025umq
ATel #17361 www.astronomerstelegram.org?read=17361
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
I measured magnitude R = 12.3.
Now this is AT 1994au www.wis-tns.org/object/1994au (in the TNS).
@astrodave.bsky.social
@davidbflower.bsky.social
#astronomy
I measured magnitude R = 12.3.
Now this is AT 1994au www.wis-tns.org/object/1994au (in the TNS).
@astrodave.bsky.social
@davidbflower.bsky.social
#astronomy
I am attaching the light curve.
#astronomy #interstellarcomet #comet3I #comet3IATLAS
@astrodave.bsky.social
I am attaching the light curve.
#astronomy #interstellarcomet #comet3I #comet3IATLAS
@astrodave.bsky.social
My data were published in the CBET 5619 www.cbat.eps.harvard.edu/iau/cbet/005...
@astrodave.bsky.social
@davidbflower.bsky.social
My data were published in the CBET 5619 www.cbat.eps.harvard.edu/iau/cbet/005...
@astrodave.bsky.social
@davidbflower.bsky.social
Source of image: ssd.jpl.nasa.gov/tools/sbdb_l...
#WorldSpaceWeek
Source of image: ssd.jpl.nasa.gov/tools/sbdb_l...
#WorldSpaceWeek
Here’s our latest post on the find and how he did it for @universetoday.com - www.universetoday.com/articles/ded...
Here’s our latest post on the find and how he did it for @universetoday.com - www.universetoday.com/articles/ded...
1 - 2024-10-20;
2 - 2024-10-16;
3 - 2024-10-13;
4 - 2024-10-03.
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
1 - 2024-10-20;
2 - 2024-10-16;
3 - 2024-10-13;
4 - 2024-10-03.
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
Image: stacked 8x60 sec. with Sloan r' filter.
#astronomy #space
@astrodave.bsky.social
Image: stacked 8x60 sec. with Sloan r' filter.
#astronomy #space
@astrodave.bsky.social
I also observed it on September 27th - Autumn Astronomy Day.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #comet3I
I also observed it on September 27th - Autumn Astronomy Day.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #comet3I
#asteroid #2025TF #C15KM95
#asteroid #2025TF #C15KM95
News article about this paper astrobiology.com/2024/12/trit...
#AstronomyDay #astronomy
News article about this paper astrobiology.com/2024/12/trit...
#AstronomyDay #astronomy
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
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
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
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
On 2025-09-11 I observed interstellar comet 3I/ATLAS at 0.51-m f/6.8 telescope T72 in Chile
On 2025-09-11 I observed interstellar comet 3I/ATLAS at 0.51-m f/6.8 telescope T72 in Chile
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #eclipse #lunareclipse #totaleclipse #astronomy
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour #eclipse #lunareclipse #totaleclipse #astronomy
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
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
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
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
TNS www.wis-tns.org/object/2025umq
ATel #17361 www.astronomerstelegram.org?read=17361
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
TNS www.wis-tns.org/object/2025umq
ATel #17361 www.astronomerstelegram.org?read=17361
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
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
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
Interstellar comet 3I/ATLAS
Near-Earth asteroid 2025 PM youtube.com/shorts/xfPpE...
Supernova SN 2025roy
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
Interstellar comet 3I/ATLAS
Near-Earth asteroid 2025 PM youtube.com/shorts/xfPpE...
Supernova SN 2025roy
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour
My astrometry
minorplanetcenter.net/mpec/K25/K25...
minorplanetcenter.net/mpec/K25/K25...
#comet3I #comet3IATLAS #interstellarcomet #PhotoHour
@astrodave.bsky.social
My astrometry
minorplanetcenter.net/mpec/K25/K25...
minorplanetcenter.net/mpec/K25/K25...
#comet3I #comet3IATLAS #interstellarcomet #PhotoHour
@astrodave.bsky.social
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour #astronomy
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour #astronomy
I measured the magnitudes: 12.2 V, 12.75 B.
Images: 3x300s., Rc+V+B
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour #astronomy
I measured the magnitudes: 12.2 V, 12.75 B.
Images: 3x300s., Rc+V+B
@astrodave.bsky.social @davidbflower.bsky.social
#PhotoHour #StormHour #astronomy
Potentially Hazardous Asteroid (35107) = 1991 VH (img.2), my astrometry www.minorplanetcenter.net/mpec/K25/K25...
Interstellar comet 3I/ATLAS (img.1)
#comet3IATLAS #astronomy #PhotoHour
Potentially Hazardous Asteroid (35107) = 1991 VH (img.2), my astrometry www.minorplanetcenter.net/mpec/K25/K25...
Interstellar comet 3I/ATLAS (img.1)
#comet3IATLAS #astronomy #PhotoHour
Spectra in the AAVSO's Spectroscopic Database, AVSpec:
apps.aavso.org/avspec/obs/1...
apps.aavso.org/avspec/obs/1...
#astronomy #TCrB #AAVSO #spectrum
Spectra in the AAVSO's Spectroscopic Database, AVSpec:
apps.aavso.org/avspec/obs/1...
apps.aavso.org/avspec/obs/1...
#astronomy #TCrB #AAVSO #spectrum
My astrometric data:
minorplanetcenter.net/mpec/K25/K25...
minorplanetcenter.net/mpec/K25/K25...
@astrodave.bsky.social @davidbflower.bsky.social
#comet3I
My astrometric data:
minorplanetcenter.net/mpec/K25/K25...
minorplanetcenter.net/mpec/K25/K25...
@astrodave.bsky.social @davidbflower.bsky.social
#comet3I