Black holes

Globular Cluster M15

September 17, 2002 · NASA · M15, NGC 7078 · Pegasus

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About the data

WFPC2 Data Principal Astronomers: H. E. Bond (STScI), D. R. Alves (Columbia Astrophysics Lab.), M. Livio, L. K. Fullton and K. G. Schaefer (STScI) STIS Data Principal Astronomers: R. Van Der Marel and J. Gerssen (STScI), K. Gebhardt (U. Texas at Austin), P. Guhathakurta and R. Peterson (UCO/Lick Observatory) and C. Pryor (Rutgers U.)

Facts

Object: M15, NGC 7078
Constellation: Pegasus
Distance: M15's distance to Earth is about 32,600 light-years (10 kiloparsecs). Its…
Released: September 17, 2002
Position: RA 21h 29m 58s · Dec +12° 10′ 00″
Field of view: 58″ × 1.43′
Instrument: HST>WFPC2 and HST>STIS
Filters: WFPC2: F439W (B), F547M (Strömgren y), F502N ([O III]), F656N (H alpha), F814W (I) STIS: G430M
Observed: December 1998, Exposure Time: 3.7 hours (WFPC2), and October 1999, May-October 2001, Exposure Time: 16 hours (STIS)
Image size: 585 × 865 px
Category: Black holes
Source: NASA + ESA/Hubble