Deep Sky Object in Summer
NGC6440 (Globular Cluster in Sagittarius)
|Date & Time: ||May 2 2014, from 25:25 to 25:37 JST(+0900)
|Composed 4 shots with 4 minutes exposed|
|Optical: ||Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
|with BaaderPlanetarium Moon&Skyglow filter|
|Auto-guided with Meade LX200 Equatorial & Pictor 201XT
|Digital Camera: ||Canon EOS 600D (Remodeled)
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)|
NGC6440 is a compact globular cluster lying northwest region of Sagittarius, you can find it out at about 6 degrees northwest of the Lagoon Nebula (M8).
The cluster is one of minor ones distributed in this vicinity, with 9th magnitude in brightness and a bit larger than 4 arc minutes in apparent diameter.
|NGC6440 / Globular cluster, type V|
|R.A.||17h 48m 52.6s (2000.0)|
|Dec.||-20°21' 34" (2000.0)|