NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC7148
Basic Information
Location and Magnitude
Right Ascension: 21:52:8.4
Declination: +3:20:31
Constellation: PEG
Visual Magnitude:
Historic Information
Discoverer: d'Arrest
Year of discovery: 1865
Discovery aperture: 11.0
Observational
Summary description: vF, vS, R
Sub-type: *2
Corwin's Notes
=====
NGC 7148 is a triple star. (I had originally called it a double, but the SDSS
shows the northeastern of the pair to be a close double star.) Observed three
times on two nights by d'A, its identity is pinned down not only by d'A's
accurate absolute position, but also by his relative position to NGC 7149 just
2.5 arcmin to the south. N7149 was observed the same three times on the same
two nights, so there is no mistaking the identity of N7148 as anything but the
double star.
LEDA has nevertheless incorrectly taken a double galaxy, much too faint for
d'A to have seen with his 11-inch telescope, as NGC 7148. The galaxies are
also well off the mean of d'A's three accordant positions. Tsk.
There is also a very faint galaxy just south of the double. At V = 17.7, it
is well below d'A's visual threshold with his telescope, so plays no role in
the visibility of the NGC object.