July 23, 2008
| Object Data | |
|---|---|
| Right Ascension (J2000) : 21h 31m 48s | Declination (J2000) : +48° 26' 55" |
| Object Type : Open cluster | Object Classification : III 2 m |
| Constellation : Cygnus | Object Size : 31' |
| Visual Magnitude : 4.6 | Surface Brightness : 11.0 |
| Description : Cl,vL,P,vlC,*7...10 | Catalogue Notes : ---- |
| Also Cataloged as : M 39, Cr 438, Mel 236, Lund 994, h 2126, GC 4681, OCL 211 | |
| Click here for a wider FOV image. |
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Image details
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- Instrument - Camera - Accessories - Exposure time - Comments |
: : : : : |
150mm F/6.3 Newton Canon 10D Baader Coma Corrector + Baader IRB filter 30 min @ 1600 ISO (10 subframes of 180 sec stacked), auto guiding Imaged during twilight, altitude : 63° |