Galaxies and Supernova in Crater Reloaded

NGC 3660, SN 2026cff, and PGC 1000714 – Galaxies and Supernova in Crater – OSC v1

A second attempt at NGC 3660 and friends, previously imaged here, with the longer focal length of the Cassegrain (4500 mm) at the IAS Hakos Observatory, Namibia.

More details at Astrobin.

IAS – Internationale Amateursternwarte e.V. – Hakos Observatory, Namibia
IAS 20″ Philipp Keller Cassegrain, 4500mm, f/9, Liebscher mount, ASI2600MC Duo
103 x 300s, bin 2×2, gain 100, offset 50, -5C, 30 flats, 50 bias, 30 darks
Total time: 30900s / 8h35
Data acquisition: N.I.N.A
Data calibration/integration: PixInsight WBPP
Image processing: PixInsight, BlurXTerminator, NoiseXTerminator, Lightroom

NGC 3660, SN 2026cff, and PGC 1000714 – Galaxies and Supernova in Crater – OSC v1 Annotated