Sunday (08-December-2024) — New Jersey

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The comet is getting fainter and the tail much shorter. The magnitude is now 10.1. The first image is a composite of 31 images (5 min 10 sec) and the second one is a composite of 254 images (42 min 20 sec). In the second image there is some movement of the comet head. Also, the comet is moving into a region of the sky with part of the milky way in the background (many more faint stars).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 254 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 2540 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 254 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 2540 sec).

Friday (06-December-2024) — New Jersey

Jet Silhouettes Transiting the Sun.

In addition to the sunspots (we are at or near the solar maximum) I captured two jets transiting the sun using a Vespera Pro telescope fitted with a solar filter.

Sun with sunspots and the silhouette of a jet. Image taken with a Vaonis Vespera Pro Telescope (250 mm, f/5, 1/4000 sec) with a solar filter.
Sun with sunspots and the silhouette of a jet. Image taken with a Vaonis Vespera Pro Telescope (250 mm, f/5, 1/4000 sec) with a solar filter.

Sun with sunspots and the silhouette of a jet. Image taken with a Vaonis Vespera Pro Telescope (250 mm, f/5, 1/4000 sec) with a solar filter.
Sun with sunspots and the silhouette of a jet. Image taken with a Vaonis Vespera Pro Telescope (250 mm, f/5, 1/4000 sec) with a solar filter.

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The comet is getting fainter and the tail shorter. The magnitude is now 10.0. The first image is a composite of 31 images (5 min 10 sec) and the second one is a composite of 90 images (15 min). In the second image there is some movement of the comet head. Also, the comet is moving into a region of the sky with part of the milky way in the background (many more faint stars).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 90 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 900 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 90 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 900 sec).

Thursday (05-December-2024) — New Jersery

Comet C/2023 A3 (Tsuchinshan–ATLAS)

I missed the comet for the past several nights due to early evening clouds and even some much-needed rain. The comet is getting fainter and the tail shorter. The magnitude is now 9.9. The first image is a composite of 31 images (5 min 10 sec) and the second one is a composite of 59 images (9 min 50 sec). In the second image there is some movement of the comet head. Also, the comet is moving into a region of the sky with part of the milky way in the background (many more faint stars).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 59 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 590 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 59 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 590 sec).

Sunday (01-December-2024) — New Jersey

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The camera in the Stellina telescope stopped working. I’ll be contacting Vaonis support to try and figure out what is wrong. So tonight, I only have the Vespera-Pro telescope capturing images of the comet. The magnitude is now 9.6. The first image is a composite of 31 images (5 min 10 sec) and the second one is a composite of 247 images (41 min 20 sec). In the second image there is some movement of the comet head. Also, the comet is moving into a region of the sky with part of the milky way in the background (many more faint stars).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 310 sec).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 247 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 2470 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 247 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 2470 sec).

Saturday (30-November-2024) — New Jersey

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The comet and tail keep getting smaller and fainter. The estimated magnitude of the comet is now +9.52. I am only showing images from the Stellina and Vespera-Pro telescope which were not fitted with filters. The length of the comet tail can be estimated based on the field of view for the telescope’s digital sensors. Stellina (1.0° x 0.7°) and Vespera Pro (1.6° x 1.6°). The jpg images were processed to increase the brightness (Capture One Pro) and reduce the noise (Topaz AI).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 30 images taken with a Vaonis Stellina Telescope (400 mm, f/5, 30 x 10 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 30 images taken with a Vaonis Stellina Telescope (400 mm, f/5, 30 x 10 sec).

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 31 x 10 sec).
Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of 31 images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 31 x 10 sec).