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Deep Sky Observer's Companion – the online database

 

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NGC 3521

Imaged by Dale Liebenberg

Subject: NGC 3521 in southern Leo.

Other galaxies visible in this image (which is 27.8 arcminutes wide) include PGC 1151710, PGC 0135772, PGC 0033536, PGC 1151550 and PGC 1153557.

Exposure: 15x600s (bin 1) Lum, 9x400s each (bin 2) RGB

Hardware: Celestron EdgeHD 14-inch, ASA DDM60, FLI Microline 11002, Astrodon filters, Astrodon MMOAG, Robofocus and FocusMax

Software: TheSkyX, ACP Planner, ACP, ACP Scheduler, FMax, MaximDL, Photoshop CS4

Location: Port Elizabeth, South Africa

 

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