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Contains:  NGC 4535, NGC4535
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NGC 4535, 


            Frank Colosimo
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NGC 4535

Technical card

Dates:April 28, 2020

Frames: 89x772" bin 0x0

Integration: 19.1 hours

Avg. Moon age: 5.03 days

Avg. Moon phase: 26.01% job: 3474823

RA center: 12h 34' 19"

DEC center: +8° 11' 2"

Pixel scale: 0.440 arcsec/pixel

Orientation: 179.695 degrees

Field radius: 0.243 degrees

Resolution: 3159x2421

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

Data source: Backyard


NGC 4535 is a mag 11.1 face-on barred spiral galaxy located at 54 million light years from us in Virgo. It is a member of the Virgo Cluster of galaxies. It shows two distinct spiral arms which branch out as they unwind.

Imaging data:
Date: April 18-28, 2020

Location: New Ringgold PA

Optics: Celestron EdgeHD 1100 with Celestron focal reducer on Paramount MX
Camera: ZWO ASI1600MM for RGB
Guiding: ZWO ASI 174 on Celestron OAG

Optics: Starizona Hyperion f/8 12.5 inch, FL 2540 mm on Paramount ME
Camera: Apogee U8300 for Lum

Guiding: ST-402 on Innovations Foresight On-Axis Guider and STL-11000 Self guiding

Exposure: LRGB: L:51x15 min R:13x10 min, G:10x10 min, B:15x10 min for a total of 19.1 hrs (89 subs at avg of 772 sec) RGB bin 2

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.



Frank Colosimo
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


NGC 4535, 


            Frank Colosimo