NGC 185 and NGC 147 – Dwarf Eliptical Galaxy and a Dwarf Spheroidal Galaxy in Cassiopeia

  • Description: - On the lower left is the Dwarf Eliptical Galaxy NGC 185 and the middle right is the Dwarf Spheroidal Galaxy NGC 147, even though they look the opposite in the image. Both are small satellites of nearby Andromeda Galaxy M31 and part of our Local Group of galaxies.

  • Telescope: Astro-Physics AP92 telescope w 92FF giving 644mm focal length at f/7.

  • Camera: SBIG STT-8300M @ -35C Sensor Temperature

  • Exposure: 5 each Red, Green and Blue sub exposures of 10 min each for 150 minutes total through Baader RGB filters

  • Date: 2023-09-22 at 8C and 60%RH.

  • Location: a location near Cluny, Alberta under Bortle 3 skies

  • Processed in PixInsight with SPCC colour calibration, NoiseXT and BlurXT, then finished in Adobe Photoshop.

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