Antilhue - Chile

NGC 3521 in Leo
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Image Data

Designation NGC 3521
Object type Type  SABbc spiral galaxy
Coordinates 11 h 06 min    - 0° 04'   (Leo)
Description Located on the celestial equator in the "head" of Leo  - The Lion  -  this impressive galaxy is both large and bright and could have been easily seen by Messier.  It has a very bright, almost starlike core from which material appears to be ejected perpendicularly to the galaxy plane into a prominent halo.

NGC 3521 lies 30 million light years distant. The field of view is 15 x10 arcminutes with north towards the right.

Exposure LRGB 135:40:40:40 min @ -15°C ;  L exposures 15 min, RGB exposures 10 min binned 2x2
Camera SBIG ST-10XE with Astrodon filterset  -  selfguided
Optics RCOS 14.5" Ritchey-Chrétien @ f/9 (prime focus)
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD, Sigma Pre Beta, CCDSharp, Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 06Mar2005 @ 05:00 UTC
Conditions Transparency 8,  Seeing 7, Temperature  + 16°C