July 12, 2011
| Object Data | |
|---|---|
| Right Ascension (J2000) : 20h12m48.0s | Declination (J2000) : +38°19'00" |
| Object Type : Bright nebula | Object Classification : Emission |
| Constellation : Cygnus | Object Size : 20' x 10' |
| Visual Magnitude : 10.00 | Surface Brightness : 15.5 |
| Description : F,vL,vmE,** att H IV 72;Wolf-Rayet* | Catalogue Notes : The Crescent Nebula or Dividing Cell Nebula |
| Also Cataloged as : LBN 203, Sh2-105, H IV-72, GC 4561 | |
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Image details
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- Instrument - Camera - Accessories - Exposure time - Comments |
: : : : : |
300mm F/5 Newton Canon 500D Baader Coma Corrector + Baader 7nm H-alpha filter 120 min @ 1600 ISO (12 subframes of 600 sec stacked), auto guiding Local light pollution, altitude : 71° |