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Contains:  M 65, NGC 3623
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M65

Technical card

Resolution: 2996x1999

Dates:March 30, 2008

Frames: 40x540"

Integration: 6.0 hours

Avg. Moon age: 22.68 days

Avg. Moon phase: 44.30%

Astrometry.net job: 2391807

RA center: 169.726 degrees

DEC center: 13.084 degrees

Pixel scale: 0.307 arcsec/pixel

Orientation: 68.684 degrees

Field radius: 0.153 degrees

Locations: Blue Mountain Vista Observatories, New Ringgold, Pennsylvania, United States

Data source: Backyard

Description

M65, or NGC 3623, is a mag 9.3 (visual) galaxy in Leo, part of the triplett with M66 and NGC 3628. It is estimated at 35 million light years distance.
It is close to and thus under the gravitational influence of its neighbors but M65 looks like a very "normal" Sa type spiral shows little influence. It has a prominent central lens and tightly wound spiral arms, plus a prominent dust lane marking the facing edge. The luminous disk is dominated by a smooth old stellar population. Near the lane, some knots are visible, which may be associated with star forming regions. The lane may hide regions of star formation usually associated with such features in spiral galaxies.

Imaging data:
Date: Mar 24,26,28,30 2008 reprocessed in Nov 2018
Location: New Ringgold PA
Optics: Meade LX200R 12 inch at f/10
Mount: Paramount ME
Camera: SBIG ST-8XME / CFW-8
Guiding: ST-8XME integral guiding chip controlled by Maxim CCD
Exposure: LRGB: Luminance: 16x10 minutes unbinned; RGB: 8 each binned 2x2 - 8 min for R,G, and 9 min for B. Total 6 hours, 40 subs at avg of 540 seconds
Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.

Comments

Author

franko
Frank Colosimo
License: Attribution-NonCommercial-NoDerivs Creative Commons
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M65, 





    
        

            Frank Colosimo

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