Derby and District Astronomical Society
Caldwell 28 (NGC 752)
Open Cluster in Andromeda
RA 01h 57m 41s Dec +37° 47' 06"
| The following image of Caldwell 28 was taken by Mike Lancaster on the 25th of October 2025. The image comprises 100 x 30 second exposures taken using an Altair Hypercam 26C at 300 gain (plus darks, flats and flat darks), through an Orion Optics UK AG12 Astrograph mounted on an EQ8 mount. A 0.95x Wynne Corrector and Astronomik CLS-CCD filter were also employed. No guiding was required due to the relatively short exposures. Images were acquired using SharpCap, and the processing was entirely performed in PixInsight. There are also a few very faint and distant galaxies visible in the background. Image Credit: Mike Lancaster. |
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