Messier 48. NGC 2548

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Messier 48 is an intermediate age open cluster in the constellation Hydra. Its age has been calculated at about 450 million years. M48 is located 1,500 light years away from our solar system, has a magnitude of +5.5 and occupies an area of 51×51 arc min. Its brightest star (HD 68879, HIP 40348, mag +8.3) is a red spectral double that can be located on the lower right quarter of this image. This cluster has a very low metallicity (abundance of elements heavier than Helium).


Additional Information


Name(s): Messier 48, M48, NGC 2548

Type: Open Cluster

RA:  08h 13m 42s

Dec: -05º 45’ 02”

Constellation: Hydra

Size (arcmin): 51×51 arcmin

Magnitude: +5.5

Distance: 1,500 ly


Date: 2021-05-13

Location:, SSO near Coonabarabran, NSW Australia

Size (arcmin): 50×51 arcmin

Telescope: 20” f/4.4 Reflector

Camera: FLI PL09000 (3056x3056pix)

Guiding: N/A

Total exposure: 90 min (R:G:B, 30 min each, synthetic Luminance made from them)

Processing: CCDStack, Photoshop CC 2021

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