Thursday, March 24, 2016

acquired NGC 3521 luminance (Halifax)

BGO shot NGC 3521 for me this morning. One of the finest NGCs. A spiral in Leo. Big! Some interesting structure in the foreground arms. Bright compact core.

luminance photograph of galaxy NGC 3521

300 seconds. North is up; east is left.

Little smudges LEDA 135772, PGC 33536, and LEDA 1148913 are visible as well, below the big canted galaxy.

Altitude (°): 35-36; air mass: 1.7; -2.1 °C; dew point -6.4 °C; humidity 72 %; wind ENE at 3.2 kph gusting to 8 kph; pressure 1009.7 hPa; SQM: 18.0; distance from Moon (°): 25; transparency: 3, average; seeing 2/5, poor; Moon alt. 41-36.

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Tried again on 3 Jan '18.

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Wikipedia link: NGC 3521.

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