NCG 891
NGC 891 (also known as Caldwell 23 or Silver Sliver Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster. It has an H II nucleus.
The object is visible in small to moderate size telescopes as a faint elongated smear of light with a dust lane visible in larger apertures. (WIKIPEDIA)
Imaging Data:
Provo, Utah
Bortle 5 sky
Date: 8/6/2023
Image: NGC 891
Size:= 11.7’
Magnitude= 9.8
Exposure= 180 seconds x 7 for a total 21m
Binning = 1×1
Temperature= 0 deg C
Camera Gain= 100
Filter= IDAS-NBZ Narrowband Filter
Camera: ASI2600MC PRO in Hyperstar IV configuration.
Telescope: Celestron 1100 Edge HD
Mount: 10Micron GM1000HPS
Processed with DSS, PI and PS
