Deep Sky Object in Summer
M56 (Globular Cluster in Lyra)
|Date & Time: ||Apr 12 2003, from 26:37 to 26:42 JST(+0900)
|Composed 2 shots with 3 minutes exposed|
|Optical: ||VIXEN 20cm(7.9") VISAC with conversion lens (f=1278mm, F6.4)
|Auto-guided with TAKAHASHI JP Equatorial & Meade Pictor 201XT
|Digital Camera: ||Fujifilm FinePix S2 Pro
|Location: ||Ooizumi vil., Yamanashi pref.
|Camera Settings: ||Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)|
|CCD Sensitivity...ISO1600, White Balance...Auto|
M56 (NGC6729) is a tiny globular cluster lies near a border between Lyra and Cygnus.
You'll be able to see a nebula-like view with telescopes, and you can recognize the individual stars around the edge in good atmospheric condition.
|M56 (NGC6779) / Globular Cluster, type X|
|R.A.||19h 16m 36.0s (2000.0)|
|Dec.||+30° 11' 00" (2000.0)|
|Real Size||50 light yrs.|
|Distance||34,000 light yrs.|
The constellation of Lyra has relatively small area, and two Messier objects in that, M56 and Ring Nebula (M57), are small, too.
So it's hard to photograph those with being powerful.
M56 is approximately 34 thousand light years away.