IC 4263 (PGC 47270)

Telescope: Planewave 17" CDK reflector, 1940 mm FL
Camera: FLI-PL6303E, 3072 x 2048 pixels
Exposure: Lum: 7 x 4 minutes. Seeing 2.0 FWHM. Processed with StarTools.
Location: Mayhill, New Mexico (Elevation 7380')
Image Center (J2000): RA 13h 28m, DEC +46° 55'

Low Surface Brightness Galaxy near M51 with diffuse spiral arms and faint central ridge. Discovered in 1899 at Lick Observatory with the Crossley Reflector. Apparent size 1.5' x 0.4', 15th mag. Imaged to about 22nd mag. Arrowed star #1 is mag 20.7, arrowed star #2 is mag 21.6.


IC 4263 (PGC 47270), Low Surface Brightness Galaxy near M51 with diffuse spiral arms and faint central ridge. Discovered in 1899 at Lick Observatory with the Crossley Reflector. Apparent size 1.5' x 0.4', 15th mag. Imaged to about 22nd mag. Arrowed star #1 is mag 20.7, arrowed star #2 is mag 21.6., acquired with a remote telescope at Mayhill, New Mexico (Elevation 7380')

IC 4263 Discovery Image

IC 4263 Discovery Image

This 4 hour exposure taken with the Lick Observatory 36" Crossley reflector in 1899 is the discovery image of IC 4263. It was an accidental discovery while imaging M51. From the Lick Observatory photographic plate archive.