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Palomar
2
Obscured
Globular Cluster in Auriga
Uploaded 12/02/04
This
is an object in near the Zone of Avoidance in the Milkyway which
is filled with dark dust which not only obscures, but highly
reddens distant celestial objects. In this extreme case, a very
distant globular cluster on the far side of our galaxy is turned
almost a deep red color because of this. Palomar 2 is 2.2 arcminutes
in size, and 13 magnitude total. Its brightest stars, many seen
here are 19th magnitude because of the extinction. Obviously
the B - V is off the charts! There are a few other object that
are similar, NGC6380 in Scorpius is also an extreme case of a
obscured globular, its orange too. Maffei I in Cassiopeia is
a very nearby Local Group galaxy that has been dimmed to near
infrared only visibility. |
Instrument: 12.5" f/5 Home made Newtonian
Platform: Astrophysics 1200 QMD
CCD Camera: SBIG ST8i NABG with Enhanced Cooling
Guider: SBIG ST4
Exposure: LRGB = 80:20:20:40
RGB Combine Ratio: 1: .8: 1.2
Filters: RGB Tricolor
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing FWHM = 4.0 arcsec (Maxim DL - 10min subframe), Transparency 8/10
Outside Temperature: -5 C
CCD Temperature: -20 C
Processing Tools: Maxim DL, Photoshop, AIP4WIN, PixInsight.
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