September 23, 2024

NGC 1245 – Open Cluster in Perseus

NGC 1245 – Open Cluster in Perseus

Telescope: Astro-Tech 8” f/8 Ritchey-Chretien, Orion Atlas EQ-G

Camera: Canon EOS Ra, Baader Mk III MPCC

Filter: GSO IR blocking filter

Guide scope: Astro-Tech 60mm, Starlight Xpress Super Star, PHD2

Exposure: 32x60sec, ISO 800, saved as RAW

Darks: Internal (Long Exposure Noise Reduction On)

Flats: 32×1/2sec, Tee shirt flats taken at dusk

Average Light Pollution: Red zone, Bortle 8, poor transparency

Lensed Sky Quality Meter: 18.3

Stacking: Mean with a 1-sigma clip.

White Balance: Nebulosity Automatic

Software: Backyard EOS, Deep Sky Stacker, Nebulosity, Photoshop

NGC 1245 is a relatively faint but rich open cluster in central Perseus. It may be a tad faint for small telescopes, but blossoms into a fine patch of stardust in larger telescopes.

NGC 1245 is currently well placed in the evening sky and is high overhead in the as the sky darkens.