M65-M66 APOD

M65-M66 2/3 of the Leo Trio

Selected as NASA Astronomy Picture of the Day June 15 2012

M66 and M65 2/3 of the Leo Trio lies apromimatly 35 million light years away in the constellation Leo. M66 is about 100,000 light years across and M65 is about 120,000 in diameter. These were discovered in 1780 by Charles Messier.

M66 Crop

 M65 Crop


M65-M66  10min Luminosity  Subframes  10 x 45 = 450 min combined image

M65-M66  10min Red  Subframes  10 x 13 = 130 min combined image

M65-M66  20min Ha  Subframes  20 x 8 = 160 min combined image

M65-M66  10min Green  Subframes  10 x 9 = 90 min combined image

M65-M66  10min Blue  Subframes  10 x 7 = 70 min combined image


Scope               Planewave 17in

Camera            Apogee U16

Mount               Paramount ME

Filters               Astrodon  LRGB   Ha5nm  

Exposures       R2hrs  G1.5hrs  B1.5hrs   L 7.5Hrs    Ha 3hrs    Ha 20min subs   LRGB 10min subs

 Location           Sierra Nevada Mountains CA.  Heavens Mirror Observatory  SRO       2012 



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