Michael A. Stecker
mastecker@gmail.com



 
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Cropped image of galaxy NGC4565
 NGC 4565 is an edge-on spiral galaxy about 30 to 50 million light-years from earth in the constellation Coma Berenices. It is known as the Needle Galaxy for its narrow profile. This cropped photo was a joint project of James Foster and me. The telescope used is my black tube Celestron 11-inch SCT reduced to f/7 and a 10-hour exposure.
Basics:
Constellation: Coma Berenices
Right ascension: 12h, 36m, 20.8s
Declination: +25° 59′ 16″
Distance to Earth: 38.49 million light years
Magnitude: 10.42
Age: 13.24 billion years
Absolute magnitude: -21.87
Apparent magnitude (V): 10.42
 file: NGC4565LUM&color300mins&MONOcolor-MASsharpALDS1-cr2asm.jpg
Click here for full resolution photo

Photographic Data
 Date:
several nights early May-June 2025

 telescope:
Celestron 11-inch Schmidt Cassegrain Telescope (black tube) with Starizona 0.7X focal reducer
Focal Length: 1,955 mm
 
mount:
iOptron CEM60

guiding:
off-axis
imaging cameras:
ZWO ASI6200MC-Pro (color) and ZWO ASI6200MM-Pro (monochrome)

exposures:
ZWO ASI6200MC-Pro (color) : 300min total(100 sec subs)
and
ZWO ASI6200MM-Pro (monochrome): LUM60min, Red58min, Green98min, Blue120min
Total exposure time: 637mins or 10.62 hrs
processing
ASI Studio and Adobe Photoshop Elements

photographic site:
Pinon Pines Estates (James Foster's observatory near Frazier Park California)
(Bortle 4 at 5,500 ft elevation)

 

 


NGC4565 & NGC 4562 -- wider field of C-11 photo above
NGC 4565 at center and NGC 4562 at upper left
file: NGC4565LUM&color300mins&MONOcolor-MASsharpALDS-3sm.jpg
 Click here for full resolution photo

 

 

 
NGC4565 & NGC 4562 -- shot with James Foster's Planewave CDK17 telescope
 NGC 4565 at center and NGC 4562 at upper left
NGC4565color300mins&MONOcolo2CDK17lum_reg-1csm.jpg
 Click here for full resolution photo