Messier 25: Difference between revisions
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M25 is at a distance of about 2,000 light-years away from Earth. The spatial dimension of this cluster is about 19 light years across. A Delta Cephei type variable star designated U Sagittarii is a member of this cluster.<ref>[http://en.wikipedia.org/wiki/Messier_25 Messier 25]</ref> | M25 is at a distance of about 2,000 light-years away from Earth. The spatial dimension of this cluster is about 19 light years across. A Delta Cephei type variable star designated U Sagittarii is a member of this cluster.<ref>[http://en.wikipedia.org/wiki/Messier_25 Messier 25]</ref> | ||
==HGS Session References== | |||
HGS Sessions - Clearing [[Temple Mount, Jerusalem.]] - 3/20/2015 <ref>HGS Session</ref>HGS Sessions - Clearing [[El Obour City, Cairo Governorate, Egypt]] - 4/2/2015 <ref>HGS Session</ref> | |||
==References== | ==References== | ||
Latest revision as of 20:03, 2 April 2015
Open Cluster M25 (also known as Messier Object 25 or IC 4725) is an open cluster in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745 and included in Charles Messier's list in 1764. M25 is at a distance of about 2,000 light-years away from Earth. The spatial dimension of this cluster is about 19 light years across. A Delta Cephei type variable star designated U Sagittarii is a member of this cluster.[1]
HGS Session References
HGS Sessions - Clearing Temple Mount, Jerusalem. - 3/20/2015 [2]HGS Sessions - Clearing El Obour City, Cairo Governorate, Egypt - 4/2/2015 [3]
References
- ↑ Messier 25
- ↑ HGS Session
- ↑ HGS Session
Found in HGS Manual on Page 108
Found in HGS Manual on Page 115