The narrowband Optolong l-eXtreme filter brings out the rich nebulosity of this large structure by filtering out everything by the hydrogen alpha and OIII wavelengthss. The image was blended with stars from a broadband exposure for context.
|Telescope:||Svbony sv503 70ED|
|Captured:||2022-07-03 to 2022-07-03|
|Total exposure:||1 h|
|Ra:||20h 52m 43.2s|
|Dec:||+44° 00' 59.979|
|Size:||143.769 x 103.334 arcmin|