Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4485  ·  NGC 4490
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NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
NGC4490, a LRGB picture
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NGC4490, a LRGB picture

Getting plate-solving status, please wait...
NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
NGC4490, a LRGB picture
Powered byPixInsight

NGC4490, a LRGB picture

Imaging telescopes or lenses: Meade Lx200ACF 16" F6.2 Meade SCT 16"

Imaging cameras: Canon 20Da Canon  ·  ATIK Horizon beta camera  ·  SBIG ST-8XME SBIG ST8

Mounts: Milburn Wedge Wedge mounted on a pole

Guiding telescopes or lenses: WO FLT-110 WO  ·  Individual ED70mm Individual

Guiding cameras: loadstar II Lodestar Autoguider  ·  SBIG ST-8XME SBIG ST8

Focal reducers: Optec lepus 0.62 Optec reducer

Software: The SkyX Pro, CCDStack2, RegiStar, PS. Diff. SW products  ·  The Sky, CCDSoft, Atik, CCDStack2, PS Diff. products

Filters: IDAS LPS P2 IDAS  ·  Astronomik Narrowband/LRGB filter set  ·  Baader LRGB, Hubble palette filters Baader filters

Accessory: Meade on wedge


Dates:March 1, 2019

Frames:
Baader LRGB, Hubble palette filters Baader filters: 18x120" (36') bin 1x1
Baader LRGB, Hubble palette filters Baader filters: 166x60" (2h 46') bin 1x1

Integration: 3h 22'

Avg. Moon age: 24.92 days

Avg. Moon phase: 22.19%

Bortle Dark-Sky Scale: 6.00


Basic astrometry details

Astrometry.net job: 2585792

RA center: 12h30m34s

DEC center: +41°3950

Pixel scale: 1.099 arcsec/pixel

Orientation: 70.920 degrees

Field radius: 0.193 degrees


Resolution: 984x793

Locations: Home observatory, Copenhagen, DK-2270 Kastrup, Denmark

Data source: Backyard

Description

A combination of subs taken in April 2011 & March 2019.

Exposure details from 1. March 2019,

16" F6.2 SCT/Atik Horizon: L, RGB=53x60sec, 18x120sec+113x60sec

The 2011 picture version is this one,

https://astrob.in/229115/0/

My home build observatory is placed in my front yard/in the "red light" pollution zone, have a look here,

Red Zone

CS Niels

Comments

Revisions

  • NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
    Original
  • Final
    NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
    B

B

Description: Minor curves & levels adjustment performed :-)

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Sky plot

Sky plot

Histogram

NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen