NGC_1275_cropped · 2025-03-10

NGC 1275 (also known as Perseus A or Caldwell 24) is a type 1.5 Seyfert galaxy located around 237 million light-years away in the direction of the constellation Perseus.

NGC 1275 (also known as Perseus A or Caldwell 24) is a type 1.5 Seyfert galaxy located around 237 million light-years away in the direction of the constellation Perseus. NGC 1275 is a member of the large Perseus Cluster of galaxies.
The Perseus cluster (Abell 426) is a cluster of galaxies in the constellation Perseus. It has a recession speed of 5,366 km/s and a diameter of 863′. It is one of the most massive objects in the known universe, containing thousands of galaxies immersed in a vast cloud of multimillion-degree gas. Wikipedia - Perseus_Cluster

Total image time was 69 minutes.

Exposure	104 x 40 sec
Gain	100
Camera	ToupTek ATR2600C [6224 x 41684]
Optics	120mm Skywatcher Esprit on a Proxisky UMi20S strain wave mount
Guiding	ToupTek GPM462m using Phd2
Controller	Kstars on a MeLe Quieter 3C under UbuntuMate 24.04
Filter	None
Location	Lower Sackville, Nova Scotia.
Date	2025-03-10
PixInsight Processing	GraXpert SpectrophotometricColourCalibration BlurXTerminator NoiseXTerminator Generalized Hyperbolic Stretch StarXTerminator CurvesTransformation on stars and starless images PixelMath

Cropped after the fact