NGC 457: The "ET" Cluster
NGC 457 is an open cluster located in the constellation Cassieopeia. It is easily found in small telescopes, and a favorite for amateur astronomers who can imagine the nicknames of Owl Cluster and ET. The two bright stars in the upper left make up the eyes of ET.
This image was taken as part of Advanced Observing Program (AOP) program at Kitt Peak Visitor Center during 2014.
Credit:KPNO/NOIRLab/NSF/AURA/Ken and Emilie Siarkiewicz/Adam Block
About the Image
Id: | noao-n457siark |
Type: | Observation |
Release date: | June 25, 2014, 12:36 p.m. |
Size: | 1441 x 972 px |
About the Object
Name: | NGC 457 |
Constellation: | Cassiopeia |
Category: | Star Clusters |
Wallpapers
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Coordinates
Position (RA): | 1 19 20.92 |
Position (Dec): | 58° 15' 16.24" |
Field of view: | 17.86 x 12.03 arcminutes |
Orientation: | North is 78.8° right of vertical |
Colors & filters
Band | Wave-length | Tele-scope |
---|---|---|
Optical B | 438 nm | Visitor Center 0.5-meter Telescope Other CCD |
Optical G | 475 nm | Visitor Center 0.5-meter Telescope Other CCD |
Optical R | 625 nm | Visitor Center 0.5-meter Telescope Other CCD |
Optical Broad Band | 555 nm | Visitor Center 0.5-meter Telescope Other CCD |