NGC 457 in Cassiopeia, The Owl Cluster
NGC 457 is an open cluster with about 60 stars
identified as true members of the cluster
and with about 150 stars in the field.
Date: 24 May 2023
FOV: approximately 60' × 40'
Telescope: Orion Apex 127mm Maksutov-Cassegrain Telescope
Guiding: ZWO ASI385MC planetary camera,
ZWO 30F4 30mm mini guide scope
Computer: ASIair pro Raspberry Pi
Mount: iOptron CEM40
Camera: ZWO ASI071MC pro cooled to -10°C
Filter: none
Stacking: Twenty-two 240 second frames using Pixinsight
Total Time: 1 hour 28 minutes
Processing: Pixinsight – SPCC, DBE, SPCC, BlurXT, GHS,
Saturation, DynCrop/Scale
Location: Darling Hill Observatory near Vesper, NY