Flemming R. Ovesen / Torben Taustrup

Comet 3I/Atlas
 

At january 19th images are taken under difficult conditions, as relatively strong
Corona Borealis was present during the last half of the exposures.
Magnitudes according to Guide 9

Date: 2026-01-19
Position: 8:25 05 - 16 53 51 N - Full field
Comet magnitude: 18,7
Exposure time: R: 10 x 180 sec., G: 10 x 180 sec., B: 10 x 180 sec., L 10 x 180 sec.
Camera: ASI 2600 PRO mono
Instrument: 14,5" - f:4,2 Newtonian

Date: 2026-01-19
Position: 8:25 05 - 16 53 51 N - Full field
Exposure time: R: 19 x 60, G: 13 x 60 sec. B: 13 x 60 sec.
Camera: ASI 2600 mono PRO
Instrument: 14,5" - f:4,2 Newtonian

Exposure time: R: 19 x 60, G: 13 x 60 sec. B: 13 x 60 sec.
Date: 2026-01-19
Position: 8:25 05 - 16 53 51 N - Cropped
Comet magnitude: 18,7
Camera: ASI 2600 mono PRO
Instrument: 14,5" - f:4,2 Newtonian

A faint tail emerging from the core has been detected.
Exposure time: R: 19 x 60, G: 13 x 60 sec. B: 13 x 60 sec.
Date: 2026-01-19
Position: 8:25 05 - 16 53 51 N - Cropped
Camera: ASI 2600 mono PRO
Instrument: 14,5" - f:4,2 Newtonian

Date: 2026-03-16
Position: 6:50 23 - 20 19 36 N - cropped field
Comet magnitude: 22,2
Exposure time: L 20 x 180 sec.
Camera: ASI 2600 mono PRO
Instrument: 14,5" - f:4,2 Newtonian

Stack centered on the core. Date: 2026-03-19
Position: 6:49 08 - 20 21 23 N - cropped field
Comet magnitude: 22,2
Exposure time: L 14 x 180 sec.
Camera: ASI 2600 mono PRO
Instrument: 14,5" - f:4,2 Newtonian